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Leary M, Skinner JA, Pursey KM, Verdejo-Garcia A, Collins R, Collins C, Hay P, Burrows TL. The effectiveness of the TRACE online nutrition intervention in improving dietary intake, sleep quality and physical activity levels for Australian adults with food addiction: a randomised controlled trial. J Hum Nutr Diet 2024. [PMID: 38652589 DOI: 10.1111/jhn.13312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 04/05/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Few interventions for food addiction (FA) report on dietary intake variables. The present study comprised a three-arm randomised controlled trial in adults with symptoms of FA. The aim was to evaluate dietary intake, sleep and physical activity resulting from a dietitian-led telehealth intervention at 3 months. METHODS Adults with ≥3 symptoms of FA and a body mass index > 18.5 kg/m2 were recruited. Dietary intake including energy, nutrients and diet quality were assessed by a validated food frequency questionnaire in addition to sleep quality and physical activity (total min) and compared between groups and over time. Personalised dietary goals set by participants were examined to determine whether improvements in percent energy from core and non-core foods were reported. RESULTS The active intervention group was superior compared to the passive intervention and control groups for improvements in percent energy from core (6.4%/day [95% confidence interval (CI) -0.0 to 12.9], p = 0.049), non-core foods (-6.4%/day [95% CI -12.9 to 0.0], p = 0.049), sweetened drinks (-1.7%/day [95% CI -2.9 to -0.4], p = 0.013), takeaway foods (-2.3%/day [95% CI -4.5 to -0.1], p = 0.045) and sodium (-478 mg/day [95% CI -765 to -191 mg], p = 0.001). CONCLUSIONS A dietitian-led telehealth intervention for Australian adults with FA found significant improvements in dietary intake variables. Setting personalised goals around nutrition and eating behaviours was beneficial for lifestyle change.
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Affiliation(s)
- Mark Leary
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
| | - Janelle A Skinner
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
| | - Kirrilly M Pursey
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
| | - Rebecca Collins
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
| | - Clare Collins
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
| | - Phillipa Hay
- Translational Health Research Institute, School of Medicine, Western Sydney University, Penrith, NSW, Australia
- Mental Health Services, South Western Sydney Local Health District, Camden and Campbelltown Hospitals, NSW, Australia
| | - Tracy L Burrows
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, Australia
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, Australia
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Zacher A, Zimmermann J, Cole DM, Friedli N, Opitz A, Baumgartner MR, Steuer AE, Verdejo-Garcia A, Stock AK, Beste C, Quednow BB. Chemical cousins with contrasting behavioural profiles: MDMA users and methamphetamine users differ in social-cognitive functions and aggression. Eur Neuropsychopharmacol 2024; 83:43-54. [PMID: 38642447 DOI: 10.1016/j.euroneuro.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/10/2024] [Accepted: 04/12/2024] [Indexed: 04/22/2024]
Abstract
Methamphetamine (METH, "Crystal Meth") and 3,4-methylenedioxymethamphetamine (MDMA, "Ecstasy") share structural-chemical similarities but have distinct psychotropic profiles due to specific neurochemical actions. Previous research has suggested that their impact on social cognitive functions and social behaviour may differ significantly, however, direct comparisons of METH and MDMA users regarding social cognition and interaction are lacking. Performances in cognitive and emotional empathy (Multifaceted Empathy Test) and emotion sensitivity (Face Morphing Task), as well as aggressive social behaviour (Competitive Reaction Time Task) were assessed in samples of n = 40 chronic METH users, n = 39 chronic MDMA users and n = 86 stimulant-naïve controls (total N = 165). Self-reports and hair samples were used to obtain subjective and objective estimates of substance use patterns. METH users displayed diminished cognitive and emotional empathy towards positive stimuli, elevated punitive social behaviour regardless of provocation, and self-reported heightened trait anger relative to controls. MDMA users diverged from the control group only by exhibiting a distinct rise in punitive behaviour when faced with provocation. Correlation analyses indicated that both higher hair concentrations of MDMA and METH may be associated with reduced cognitive empathy. Moreover, greater lifetime MDMA use correlated with increased punitive behaviour among MDMA users. Our findings confirm elevated aggression and empathy deficits in chronic METH users, while chronic MDMA users only displayed more impulsive aggression. Dose-response correlations indicate that some of these deficits might be a consequence of use. Specifically, the dopaminergic mechanism of METH might be responsible for social-cognitive deficits.
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Affiliation(s)
- Amelie Zacher
- Experimental and Clinical Pharmacopsychology, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Josua Zimmermann
- Experimental and Clinical Pharmacopsychology, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Neuroscience Center Zurich, Joint Center of University of Zurich and Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
| | - David M Cole
- Experimental and Clinical Pharmacopsychology, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Translational Psychiatry, University Psychiatric Clinics Basel, University of Basel, Basel, Switzerland
| | - Nicole Friedli
- Experimental and Clinical Pharmacopsychology, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland
| | - Antje Opitz
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, TU Dresden, Dresden, Germany
| | - Markus R Baumgartner
- Forensic Pharmacology and Toxicology, Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Andrea E Steuer
- Forensic Pharmacology and Toxicology, Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Ann-Kathrin Stock
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, TU Dresden, Dresden, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, TU Dresden, Dresden, Germany
| | - Boris B Quednow
- Experimental and Clinical Pharmacopsychology, Department of Adult Psychiatry and Psychotherapy, University Hospital of Psychiatry Zurich, University of Zurich, Zurich, Switzerland; Neuroscience Center Zurich, Joint Center of University of Zurich and Swiss Federal Institute of Technology Zurich, Zurich, Switzerland.
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3
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Rezapour T, Rafei P, Baldacchino A, Conrod PJ, Dom G, Fishbein DH, Kazemi A, Hendriks V, Newton N, Riggs NR, Squeglia LM, Teesson M, Vassileva J, Verdejo-Garcia A, Ekhtiari H. Neuroscience-informed classification of prevention interventions in substance use disorders: An RDoC-based approach. Neurosci Biobehav Rev 2024; 159:105578. [PMID: 38360332 DOI: 10.1016/j.neubiorev.2024.105578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 01/15/2024] [Accepted: 02/04/2024] [Indexed: 02/17/2024]
Abstract
Neuroscience has contributed to uncover the mechanisms underpinning substance use disorders (SUD). The next frontier is to leverage these mechanisms as active targets to create more effective interventions for SUD treatment and prevention. Recent large-scale cohort studies from early childhood are generating multiple levels of neuroscience-based information with the potential to inform the development and refinement of future preventive strategies. However, there are still no available well-recognized frameworks to guide the integration of these multi-level datasets into prevention interventions. The Research Domain Criteria (RDoC) provides a neuroscience-based multi-system framework that is well suited to facilitate translation of neurobiological mechanisms into behavioral domains amenable to preventative interventions. We propose a novel RDoC-based framework for prevention science and adapted the framework for the existing preventive interventions. From a systematic review of randomized controlled trials using a person-centered drug/alcohol preventive approach for adolescents, we identified 22 unique preventive interventions. By teasing apart these 22 interventions into the RDoC domains, we proposed distinct neurocognitive trajectories which have been recognized as precursors or risk factors for SUDs, to be targeted, engaged and modified for effective addiction prevention.
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Affiliation(s)
- Tara Rezapour
- Department of Cognitive Psychology, Institute for Cognitive Science Studies (ICSS), Tehran, Iran
| | - Parnian Rafei
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Alex Baldacchino
- Division of Population and Behavioral Science, University of St Andrews School of Medicine, St Andrews, United Kingdom
| | - Patricia J Conrod
- CHU Sainte-Justine Research Center, Department of Psychiatry and Addiction, University of Montreal, Montreal, Canada
| | - Geert Dom
- Collaborative Antwerp Psychiatric Research Institute (CAPRI), University of Antwerp, Belgium
| | - Diana H Fishbein
- Frank Porter Graham Child Development Institute, University of North Carolina-Chapel Hill, NC, USA; College of Health and Human Development, Pennsylvania State University, PA, USA
| | - Atefeh Kazemi
- Department of Cognitive Psychology, Institute for Cognitive Science Studies (ICSS), Tehran, Iran
| | - Vincent Hendriks
- Parnassia Addiction Research Centre (PARC, Brijder Addiction Treatment), Zoutkeetsingel 40, The Hague 2512 HN, the Netherlands; Department of Child and Adolescent Psychiatry, LUMC Curium, Leiden University Medical Center, Leiden, Netherlands
| | - Nicola Newton
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, NSW, Australia
| | - Nathaniel R Riggs
- Department of Human Development and Family Studies, Colorado State University, Fort Collins, CO, USA
| | - Lindsay M Squeglia
- Medical University of South Carolina, Psychiatry and Behavioral Sciences, Charleston, SC, USA
| | - Maree Teesson
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Sydney, NSW, Australia
| | - Jasmin Vassileva
- Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, VIC, Australia
| | - Hamed Ekhtiari
- Department of Psychiatry, University of Minnesota, Minneapolis, MN, USA.
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4
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Sangchooli A, Zare-Bidoky M, Fathi Jouzdani A, Schacht J, Bjork JM, Claus ED, Prisciandaro JJ, Wilson SJ, Wüstenberg T, Potvin S, Ahmadi P, Bach P, Baldacchino A, Beck A, Brady KT, Brewer JA, Childress AR, Courtney KE, Ebrahimi M, Filbey FM, Garavan H, Ghahremani DG, Goldstein RZ, Goudriaan AE, Grodin EN, Hanlon CA, Haugg A, Heilig M, Heinz A, Holczer A, Van Holst RJ, Joseph JE, Juliano AC, Kaufman MJ, Kiefer F, Khojasteh Zonoozi A, Kuplicki RT, Leyton M, London ED, Mackey S, McClernon FJ, Mellick WH, Morley K, Noori HR, Oghabian MA, Oliver JA, Owens M, Paulus MP, Perini I, Rafei P, Ray LA, Sinha R, Smolka MN, Soleimani G, Spanagel R, Steele VR, Tapert SF, Vollstädt-Klein S, Wetherill RR, Witkiewitz K, Yuan K, Zhang X, Verdejo-Garcia A, Potenza MN, Janes AC, Kober H, Zilverstand A, Ekhtiari H. Parameter Space and Potential for Biomarker Development in 25 Years of fMRI Drug Cue Reactivity: A Systematic Review. JAMA Psychiatry 2024; 81:414-425. [PMID: 38324323 DOI: 10.1001/jamapsychiatry.2023.5483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Importance In the last 25 years, functional magnetic resonance imaging drug cue reactivity (FDCR) studies have characterized some core aspects in the neurobiology of drug addiction. However, no FDCR-derived biomarkers have been approved for treatment development or clinical adoption. Traversing this translational gap requires a systematic assessment of the FDCR literature evidence, its heterogeneity, and an evaluation of possible clinical uses of FDCR-derived biomarkers. Objective To summarize the state of the field of FDCR, assess their potential for biomarker development, and outline a clear process for biomarker qualification to guide future research and validation efforts. Evidence Review The PubMed and Medline databases were searched for every original FDCR investigation published from database inception until December 2022. Collected data covered study design, participant characteristics, FDCR task design, and whether each study provided evidence that might potentially help develop susceptibility, diagnostic, response, prognostic, predictive, or severity biomarkers for 1 or more addictive disorders. Findings There were 415 FDCR studies published between 1998 and 2022. Most focused on nicotine (122 [29.6%]), alcohol (120 [29.2%]), or cocaine (46 [11.1%]), and most used visual cues (354 [85.3%]). Together, these studies recruited 19 311 participants, including 13 812 individuals with past or current substance use disorders. Most studies could potentially support biomarker development, including diagnostic (143 [32.7%]), treatment response (141 [32.3%]), severity (84 [19.2%]), prognostic (30 [6.9%]), predictive (25 [5.7%]), monitoring (12 [2.7%]), and susceptibility (2 [0.5%]) biomarkers. A total of 155 interventional studies used FDCR, mostly to investigate pharmacological (67 [43.2%]) or cognitive/behavioral (51 [32.9%]) interventions; 141 studies used FDCR as a response measure, of which 125 (88.7%) reported significant interventional FDCR alterations; and 25 studies used FDCR as an intervention outcome predictor, with 24 (96%) finding significant associations between FDCR markers and treatment outcomes. Conclusions and Relevance Based on this systematic review and the proposed biomarker development framework, there is a pathway for the development and regulatory qualification of FDCR-based biomarkers of addiction and recovery. Further validation could support the use of FDCR-derived measures, potentially accelerating treatment development and improving diagnostic, prognostic, and predictive clinical judgments.
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Affiliation(s)
- Arshiya Sangchooli
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia
| | - Mehran Zare-Bidoky
- Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Fathi Jouzdani
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Joseph Schacht
- Department of Psychiatry, University of Colorado School of Medicine, Aurora
| | - James M Bjork
- Institute for Drug and Alcohol Studies, Department of Psychiatry, Virginia Commonwealth University, Richmond
| | - Eric D Claus
- Department of Biobehavioral Health, The Pennsylvania State University, University Park
| | - James J Prisciandaro
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - Stephen J Wilson
- Department of Psychology, The Pennsylvania State University, State College
| | - Torsten Wüstenberg
- Field of Focus IV, Core Facility for Neuroscience of Self-Regulation (CNSR), Heidelberg University, Heidelberg, Germany
| | - Stéphane Potvin
- Department of Psychiatry and Addiction, Université de Montréal, Montréal, Quebec, Canada
| | - Pooria Ahmadi
- Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Patrick Bach
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Alex Baldacchino
- School of Medicine, University of St Andrews, St Andrews, Scotland
| | - Anne Beck
- Faculty of Health, Health and Medical University, Potsdam, Germany
- Department of Psychiatry and Neurosciences, Charité Campus Mitte, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Kathleen T Brady
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - Judson A Brewer
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, Rhode Island
| | | | | | - Mohsen Ebrahimi
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Francesca M Filbey
- Center for BrainHealth, School of Behavioral and Brain Sciences, University of Texas at Dallas
| | - Hugh Garavan
- Department of Psychiatry, University of Vermont, Burlington
| | - Dara G Ghahremani
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
| | - Rita Z Goldstein
- Departments of Psychiatry and Neuroscience, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Anneke E Goudriaan
- Department of Psychiatry, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Neuroscience, Amsterdam, the Netherlands
| | - Erica N Grodin
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
| | - Colleen A Hanlon
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, North Carolina
- BrainsWay Inc, Winston-Salem, North Carolina
| | - Amelie Haugg
- Department of Child and Adolescent Psychiatry and Psychotherapy, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Markus Heilig
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Andreas Heinz
- Department of Psychiatry and Neurosciences, Charité Campus Mitte, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Adrienn Holczer
- Department of Neurology, Albert Szent-Györgyi Health Centre, University of Szeged, Szeged, Hungary
| | - Ruth J Van Holst
- Amsterdam Institute for Addiction Research, Department of Psychiatry, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Jane E Joseph
- Department of Neuroscience, Medical University of South Carolina, Charleston
| | | | - Marc J Kaufman
- McLean Hospital, Harvard Medical School, Belmont, Massachusetts
| | - Falk Kiefer
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Arash Khojasteh Zonoozi
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | | | - Marco Leyton
- Department of Psychiatry, McGill University, Montreal, Quebec, Canada
| | - Edythe D London
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
| | - Scott Mackey
- Department of Psychiatry, University of Vermont, Burlington
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina
| | - William H Mellick
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - Kirsten Morley
- Specialty of Addiction Medicine, Faculty of Medicine and Health, Sydney Medical School, University of Sydney, Sydney, Australia
| | - Hamid R Noori
- McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge
| | - Mohammad Ali Oghabian
- Neuroimaging and Analysis Group, Research Center for Molecular and Cellular Imaging, Tehran University of Medical Sciences, Tehran, Iran
| | - Jason A Oliver
- TSET Health Promotion Research Center, University of Oklahoma Health Sciences Center, Oklahoma City
| | - Max Owens
- Department of Psychiatry, University of Vermont, Burlington
| | | | - Irene Perini
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Parnian Rafei
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Lara A Ray
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles
| | - Rajita Sinha
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | - Michael N Smolka
- Department of Psychiatry, Technische Universität Dresden, Dresden, Germany
| | - Ghazaleh Soleimani
- Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute of Mental Health, Mannheim, Germany
| | - Vaughn R Steele
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | - Susan F Tapert
- Department of Psychiatry, University of California, San Diego
| | - Sabine Vollstädt-Klein
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | | | | | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, China
| | - Xiaochu Zhang
- Department of Psychology, School of Humanities and Social Science, University of Science and Technology of China, Anhui, China
| | | | - Marc N Potenza
- Department of Psychiatry, Technische Universität Dresden, Dresden, Germany
| | - Amy C Janes
- Cognitive and Pharmacological Neuroimaging Unit, National Institute on Drug Abuse, Baltimore, Maryland
| | - Hedy Kober
- Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut
| | - Anna Zilverstand
- Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis
| | - Hamed Ekhtiari
- Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis
- Laureate Institute for Brain Research, Tulsa, Oklahoma
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5
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Skinner JA, Leary M, Whatnall M, Collins RA, Pursey KM, Verdejo-Garcia A, Hay PJ, Baker AL, Hides L, Paxton SJ, Wood LG, Colyvas K, Collins CE, Burrows TL. A three-arm randomised controlled trial of a telehealth intervention targeting improvement in addictive eating for Australian adults (the TRACE program). Appetite 2024; 195:107211. [PMID: 38215944 DOI: 10.1016/j.appet.2024.107211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/03/2024] [Accepted: 01/09/2024] [Indexed: 01/14/2024]
Abstract
There is a substantial research base for addictive eating with development of interventions. The current 3-arm RCT aimed to investigate the efficacy of the TRACE (Targeted Research for Addictive and Compulsive Eating) program to decrease addictive eating symptoms and improve mental health. Participants (18-85 yrs) endorsing ≥3 addictive eating symptoms were randomly allocated to 1) active intervention, 2) passive intervention, or 3) control group. Primary outcome was change in addictive eating symptoms 3-months post-baseline measured by the Yale Food Addiction Scale. Depression, anxiety and stress were also assessed. A total of 175 individuals were randomised. Using Linear Mixed Models, from baseline to 3-months, there was significant improvement in symptom scores in all groups with mean decrease of 4.7 (95% CI: -5.8, -3.6; p < 0.001), 3.8 (95% CI: -5.2, -2.4; p < 0.001) and 1.5 (95% CI: -2.6, -0.4; p = 0.01) respectively. Compared with the control group, participants in the active intervention were five times more likely to achieve a clinically significant change in symptom scores. There was a significant reduction in depression scores in the active and passive intervention groups, but not control group [-2.9 (95% CI: -4.5, -1.3); -2.3 (95% CI: -4.3, -0.3); 0.5 (95% CI: -1.1, 2.1), respectively]; a significant reduction in stress scores within the active group, but not passive intervention or control groups [-1.3 (95% CI: -2.2, -0.5); -1.0 (95% CI: -2.1, 0.1); 0.4 (95% CI: -0.5, 1.2), respectively]; and the reduction in anxiety scores over time was similar for all groups. A dietitian-led telehealth intervention for addictive eating in adults was more effective than a passive or control condition in reducing addictive eating scores from baseline to 6 months. Trial registration: Australia New Zealand Clinical Trial Registry ACTRN12621001079831.
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Affiliation(s)
- Janelle A Skinner
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Mark Leary
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Megan Whatnall
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Rebecca A Collins
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Kirrilly M Pursey
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, 3800, Australia
| | - Phillipa J Hay
- Translational Health Research Institute, Western Sydney University, Campbelltown, NSW, 2751, Australia; Mental Health Services, South Western Sydney Local Health District, Camden and Campbelltown Hospitals, NSW, 2560, Australia
| | - Amanda L Baker
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia; School of Medicine and Public Health, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Leanne Hides
- School of Psychology, University of Queensland, St Lucia, QLD, 4072, Australia
| | - Susan J Paxton
- Department of Psychology and Counselling, Latrobe University, Melbourne, VIC, 3086, Australia
| | - Lisa G Wood
- Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia; School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Kim Colyvas
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Clare E Collins
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia
| | - Tracy L Burrows
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW, 2308, Australia; Hunter Medical Research Institute, University of Newcastle, New Lambton Heights, NSW, 2305, Australia.
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6
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Mahlberg J, Giddens E, Tiego J, Bellgrove M, Fornito A, Verdejo-Garcia A. Common genetic factors for uncontrolled eating mechanisms. Int J Eat Disord 2024. [PMID: 38425083 DOI: 10.1002/eat.24179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 03/02/2024]
Abstract
OBJECTIVE Reward-based eating drives are putative mechanisms of uncontrolled eating implicated in obesity and disordered eating (e.g., binge eating). Uncovering the genetic and environmental contributions to reward-related eating, and their genetic correlation with BMI, could shed light on key mechanisms underlying eating and weight-related disorders. METHOD We conducted a classical twin study to examine how much variance in uncontrolled eating phenotypes and body mass index (BMI) was explained by genetic factors, and the extent that these phenotypes shared common genetic factors. 353 monozygotic twins and 128 dizygotic twins completed the Reward-based Eating Drive 13 scale, which measures three distinct uncontrolled eating phenotypes (loss of control over eating, preoccupation with thoughts about food, and lack of satiety), and a demographic questionnaire which included height and weight for BMI calculation. We estimated additive genetic (A), common environmental (C), and unique environmental (E) factors for each phenotype, as well as their genetic correlations, with a multivariate ACE model. A common pathway model also estimated whether genetic variance in the uncontrolled eating phenotypes was better explained by a common latent uncontrolled eating factor. RESULTS There were moderate genetic correlations between uncontrolled eating phenotypes and BMI (.26-.41). Variance from the uncontrolled eating phenotypes was also best explained by a common latent uncontrolled eating factor that was explained by additive genetic factors (52%). DISCUSSION These results suggest that uncontrolled eating phenotypes are heritable traits that also share genetic variance with BMI. This has implications for understanding the cognitive mechanisms that underpin obesity and disordered eating. PUBLIC SIGNIFICANCE Our study clarifies the degree to which uncontrolled eating phenotypes and BMI are influenced by shared genetics and shows that vulnerability to uncontrolled eating traits is impacted by common genetic factors.
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Affiliation(s)
- Justin Mahlberg
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Emily Giddens
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Jeggan Tiego
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Mark Bellgrove
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Alex Fornito
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
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Pelly M, Fatehi F, Samadbeik M, Liew D, Verdejo-Garcia A. Digital Health for Myocardial Infarction: Research Topics and Trends. Stud Health Technol Inform 2024; 310:429-433. [PMID: 38269839 DOI: 10.3233/shti231001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
We aimed to map the topics and trends of research on digital health for myocardial infarction over the past ten years. This can inform future research directions and newly emerging topics for myocardial infarction care, diagnosis and monitoring. The Web of Science database was searched for papers related to digital health for myocardial infarction. 1,344 retrieved records were used for visualisation through bibliometrics and co-occurrence network analysis of keywords. Our mapping revealed several emerging topics in recent years, including artificial intelligence and deep learning. Higher emphasis on automated and artificially intelligent digital health systems in recent years can inform future clinical practice and research directions for myocardial infarction.
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Affiliation(s)
- Melissa Pelly
- School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Farhad Fatehi
- School of Psychological Sciences, Monash University, Melbourne, Australia
- Centre for Health Services Research, The University of Queensland, Brisbane, Australia
| | - Mahnaz Samadbeik
- Social Determinants of Health Research Center, School of Allied Medical Sciences, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Danny Liew
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
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8
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Anderson A, Giddens E, Tiego J, Lubman D, Verdejo-Garcia A. Leveraging Online Treatment to Re-examine the Association Between Alcohol Use and Disinhibition. Psicothema 2024; 36:15-25. [PMID: 38227296 DOI: 10.7334/psicothema2022.516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
BACKGROUND Cognitive disinhibition underpins alcohol and drug use problems. Although higher-risk substance use is consistently associated with poorer disinhibition, current findings may be limited by narrow recruitment methods, which over-represent individuals engaged in traditional treatment services with more severe presentations. We embedded a novel gamified disinhibition task (the Cognitive Impulsivity Suite; CIS) in a national online addiction support service ( https://www.counsellingonline.org.au/ ). METHOD Participants aged 18 to 64 ( N = 137; 109 women) completed the Alcohol-Use Disorders Identification Test (AUDIT) and Drug Use Disorders Identification Test (DUDIT) along with the CIS, which measures three aspects of disinhibition (Attentional Control, Information-Sampling, and Feedback Monitoring/Shifting). The majority of the sample comprised people with alcohol use, and AUDIT scores were differentiated into ‘higher-risk’ or ‘lower-risk’ groups using latent-class analysis. These classes were then regressed against CIS performance measures. RESULTS Compared to lower-risk, higher-risk alcohol use was associated with poorer attentional control and feedback monitoring/shifting. While higher-risk alcohol use was associated with slower information accumulation, this was only observed for older adults, who appeared to compensate with a more conservative response criterion. CONCLUSIONS Our results reveal novel relationships between higher-risk alcohol use and specific aspects of disinhibition in participants who sought online addiction help services.
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Affiliation(s)
- Alexandra Anderson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria (Australia)
| | - Emily Giddens
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria (Australia)
| | - Jeggan Tiego
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria (Australia)
| | - Dan Lubman
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria (Australia)
- Turning Point, Eastern Health, Victoria (Australia)
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria (Australia)
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9
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Hanegraaf L, Paton B, Hohwy J, Verdejo-Garcia A. Combining novel trait and neurocognitive frameworks to parse heterogeneity in borderline personality disorder. J Pers 2023; 91:1344-1363. [PMID: 36650906 DOI: 10.1111/jopy.12811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 12/02/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Borderline Personality Disorder (BPD) diagnosis comprises several constellations of trait, neurocognitive, and psychosocial alterations. Dimensional models of psychopathology provide new opportunities to parse heterogeneity and create a stronger interface between individual characterization and psychosocial outcomes. However, dimensional models have focused on either traits or neurocognitive features, lacking integration to capture the multifaceted nature of BPD. METHOD We assessed 100 participants with BPD using a combination of tools stemming from trait (Alternative Model for Personality Disorders) and neurocognitive models (Research Domain Criteria; RDoC) to examine if trait-derived subgroups display distinctive social-processing and psychosocial profiles. We used two complementary analytical approaches: person-centered (k-means clustering) and construct-based (multiple factor analysis). RESULTS Our person-centered approach identified four subgroups with separable internalizing, detached, externalizing, and low psychopathology trait profiles. These profiles revealed distinctive patterns of affiliation, emotion recognition and mentalization performance in RDoC tasks, and psychosocial measures of quality of life and social connectedness. RDoC-based measures showed close construct proximity with negative affectivity, disinhibition, and antagonism trait domains, relative to the detachment domain, which had close proximity with self-knowledge. CONCLUSIONS Altogether, findings support consilience between trait-based and neurobiological frameworks and suggest that trait models are useful to parse BPD heterogeneity leading to unique social functioning profiles.
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Affiliation(s)
- Lauren Hanegraaf
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Bryan Paton
- School of Psychological Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia
| | - Jakob Hohwy
- Cognition and Philosophy Lab, Philosophy Department, Monash University, Clayton, Victoria, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
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Pelly ML, Fatehi F, Liew D, Verdejo-Garcia A. Digital Health Secondary Prevention Using Co-Design Procedures: Focus Group Study With Health Care Providers and Patients With Myocardial Infarction. JMIR Cardio 2023; 7:e49892. [PMID: 37902821 PMCID: PMC10644192 DOI: 10.2196/49892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 10/31/2023] Open
Abstract
BACKGROUND Myocardial infarction (MI) is a debilitating condition and a leading cause of morbidity and mortality worldwide. Digital health is a promising approach for delivering secondary prevention to support patients with a history of MI and for reducing risk factors that can lead to a future event. However, its potential can only be fulfilled when the technology meets the needs of the end users who will be interacting with this secondary prevention. OBJECTIVE We aimed to gauge the opinions of patients with a history of MI and health professionals concerning the functions, features, and characteristics of a digital health solution to support post-MI care. METHODS Our approach aligned with the gold standard participatory co-design procedures enabling progressive refinement of feedback via exploratory, confirmatory, and prototype-assisted feedback from participants. Patients with a history of MI and health professionals from Australia attended focus groups over a videoconference system. We engaged with 38 participants across 3 rounds of focus groups using an iterative co-design approach. Round 1 included 8 participants (4 patients and 4 health professionals), round 2 included 24 participants (11 patients and 13 health professionals), and round 3 included 22 participants (14 patients and 8 health professionals). RESULTS Participants highlighted the potential of digital health in addressing the unmet needs of post-MI care. Both patients with a history of MI and health professionals agreed that mental health is a key concern in post-MI care that requires further support. Participants agreed that family members can be used to support postdischarge care and require support from the health care team. Participants agreed that incorporating simple games with a points system can increase long-term engagement. However, patients with a history of MI emphasized a lack of support from their health care team, family, and community more strongly than health professionals. They also expressed some openness to using artificial intelligence, whereas health professionals expressed that users should not be aware of artificial intelligence use. CONCLUSIONS These results provide valuable insights into the development of digital health secondary preventions aimed at supporting patients with a history of MI. Future research can implement a pilot study in the population with MI to trial these recommendations in a real-world setting.
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Affiliation(s)
- Melissa Louise Pelly
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Farhad Fatehi
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Danny Liew
- School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
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11
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Tiego J, Verdejo-Garcia A, Anderson A, Koutoulogenis J, Bellgrove MA. Mechanisms of cognitive disinhibition explain individual differences in adult attention deficit hyperactivity disorder traits. Cortex 2023; 167:178-196. [PMID: 37567053 DOI: 10.1016/j.cortex.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/12/2023] [Accepted: 06/08/2023] [Indexed: 08/13/2023]
Abstract
BACKGROUND Attention deficit hyperactivity disorder (ADHD) in adults is strongly associated with psychiatric comorbidity and functional impairment. Here, we aimed to use a newly developed online cognitive battery with strong psychometric properties for measuring individual differences in three cognitive mechanisms proposed to underlie ADHD traits in adults: 1) attentional control - the ability to mobilize cognitive resources to stop a prepotent motor response; 2) information sampling/gathering - adequate sampling of information in a stimulus detection task prior to making a decision; and 3) shifting - the ability to adapt behavior in response to positive and negative contingencies. METHODS This cross-sectional and correlational study recruited 650 adults (330 males) aged 18-69 years (M = 33.06; MD = 31.00; SD = 10.50), with previously diagnosed ADHD (n = 329) and those from the general community without a history of ADHD (n = 321). Self-report measures of ADHD traits (i.e., inattention/disorganization, impulsivity, hyperactivity) and the cognitive battery were completed online. RESULTS Latent class analysis, exploratory structural equation modeling and factor mixture modeling revealed self-reported ADHD traits formed a unidimensional and approximately normally distributed phenotype. Bayesian structural equation modeling demonstrated that all three mechanisms measured by the cognitive battery, explained unique, incremental variance in ADHD traits, with a total of 15.9% explained in the ADHD trait factor. CONCLUSIONS Attentional control and shifting, as well as the less researched cognitive process of information gathering, explain individual difference variance in self-reported ADHD traits with potential to yield genetic and neurobiological insights into adult ADHD.
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Affiliation(s)
- Jeggan Tiego
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Level 5, 18 Innovation Walk, Monash University, Clayton, Victoria, Australia 3800.
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Level 5, 18 Innovation Walk, Monash University, Clayton, Victoria, Australia 3800.
| | - Alexandra Anderson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Level 5, 18 Innovation Walk, Monash University, Clayton, Victoria, Australia 3800.
| | - Julia Koutoulogenis
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Level 5, 18 Innovation Walk, Monash University, Clayton, Victoria, Australia 3800.
| | - Mark A Bellgrove
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Level 5, 18 Innovation Walk, Monash University, Clayton, Victoria, Australia 3800.
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12
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Pelly M, Fatehi F, Liew D, Verdejo-Garcia A. Novel behaviour change frameworks for digital health interventions: A critical review. J Health Psychol 2023; 28:970-983. [PMID: 37051615 PMCID: PMC10466959 DOI: 10.1177/13591053231164499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
Abstract
Digital health interventions - interventions delivered over digital media to support the health of users - are becoming increasingly prevalent. Utilising an intervention development framework can increase the efficacy of digital interventions for health-related behaviours. This critical review aims to outline and review novel behaviour change frameworks that guide digital health intervention development. Our comprehensive search for preprints and publications used PubMed, PsycINFO, Scopus, Web of Science and the Open Science Framework repository. Articles were included if they: (1) were peer-reviewed; (2) proposed a behaviour change framework to guide digital health intervention development; (3) were written in English; (4) were published between 1/1/19 and 1/8/2021; and (5) were applicable to chronic diseases. Intervention development frameworks considered the user, intervention elements and theoretical foundations. However, the timing and policy of interventions are not consistently addressed across frameworks. Researchers should deeply consider the digital applicability of behaviour change frameworks to improve intervention success.
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Affiliation(s)
| | - Farhad Fatehi
- Monash University, Australia
- The University of Queensland, Australia
| | - Danny Liew
- Monash University, Australia
- The Alfred Hospital, Australia
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13
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Colton E, Wilson KE, Chong TTJ, Verdejo-Garcia A. Dysfunctional decision-making in binge-eating disorder: A meta-analysis and systematic review. Neurosci Biobehav Rev 2023; 152:105250. [PMID: 37263530 DOI: 10.1016/j.neubiorev.2023.105250] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 05/26/2023] [Accepted: 05/28/2023] [Indexed: 06/03/2023]
Abstract
Binge-Eating Disorder (BED) involves anticipatory craving and urges, subjective loss-of-control during binge-eating episodes, and post-feeding psychological distress and guilt. Evidence indicates neurocognitive dysfunctions contribute to BED onset, maintenance, and treatment response. However, an integrated understanding of how cognitive processes underpin BED symptomology is lacking. We utilised a multi-stage decision-making model defining ten cognitive processes underpinning Preference Formation, Choice Implementation, Feedback Processing, and Flexibility/Shifting, to comprehensively review research published since 2013. We used preregistered PICOS criteria to assess 1966 articles identified from PubMed, PsycInfo, and Scopus database searches. This yielded 50 studies reporting behavioural cognitive tasks outcomes, comparing individuals with BED to controls with normal and higher weight. Meta-analyses revealed a unique profile of cognitive dysfunctions that spanned all decision-making stages. Significant deficits were evident in Uncertainty Evaluation, Attentional Inhibition, Choice Consistency, and Cognitive Flexibility/Set-shifting. We propose a novel model of dysfunctional decision-making processes in BED and describe their role in binge-eating behaviour. We further highlight the potential for cognitive interventions to target these processes and address the significant treatment gap in BED.
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Affiliation(s)
- Emily Colton
- Turner Institute of Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia.
| | - Kira-Elise Wilson
- Turner Institute of Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia
| | - Trevor T-J Chong
- Turner Institute of Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute of Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia
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Soldevila-Domenech N, De Toma I, Forcano L, Diaz-Pellicer P, Cuenca-Royo A, Fagundo B, Lorenzo T, Gomis-Gonzalez M, Sánchez-Benavides G, Fauria K, Sastre C, Fernandez De Piérola Í, Molinuevo JL, Verdejo-Garcia A, de la Torre R. Intensive assessment of executive functions derived from performance in cognitive training games. iScience 2023; 26:106886. [PMID: 37260752 PMCID: PMC10227423 DOI: 10.1016/j.isci.2023.106886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/26/2023] [Accepted: 05/11/2023] [Indexed: 06/02/2023] Open
Abstract
Traditional neuropsychological tests accurately describe the current cognitive state but fall short to characterize cognitive change over multiple short time periods. We present an innovative approach to remote monitoring of executive functions on a monthly basis, which leverages the performance indicators from self-administered computerized cognitive training games (NUP-EXE). We evaluated the measurement properties of NUP-EXE in N = 56 individuals (59% women, 60-80 years) at increased risk of Alzheimer's disease (APOE-ϵ4 carriers with subjective cognitive decline) who completed a 12-month multimodal intervention for preventing cognitive decline. NUP-EXE presented good psychometric properties and greater sensitivity to change than traditional tests. Improvements in NUP-EXE correlated with improvements in functionality and were affected by participants' age and gender. This novel data collection methodology is expected to allow a more accurate characterization of an individual's response to a cognitive decline preventive intervention and to inform development of outcome measures for a new generation of intervention trials.
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Affiliation(s)
- Natalia Soldevila-Domenech
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain
| | - Ilario De Toma
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - Laura Forcano
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Patrícia Diaz-Pellicer
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain
| | - Aida Cuenca-Royo
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - Beatriz Fagundo
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - Thais Lorenzo
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain
| | - Maria Gomis-Gonzalez
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
| | - Gonzalo Sánchez-Benavides
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Barcelonaβeta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | - Karine Fauria
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Barcelonaβeta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Fragilidad y Envejecimiento Saludable (CIBERFES), Madrid, Spain
| | | | | | - José Luis Molinuevo
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Barcelonaβeta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Rafael de la Torre
- Neurosciences Research Programme, Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- Department of Medicine and Life Sciences, Pompeu Fabra University, Barcelona, Spain
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
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15
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Verdejo-Garcia A. Searching for biomarkers in the fluidity of mental ill-health. World Psychiatry 2023; 22:268-270. [PMID: 37159347 PMCID: PMC10168163 DOI: 10.1002/wps.21083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/08/2023] [Indexed: 05/12/2023] Open
Affiliation(s)
- Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
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16
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Verdejo-Garcia A, Rezapour T, Giddens E, Khojasteh Zonoozi A, Rafei P, Berry J, Caracuel A, Copersino ML, Field M, Garland EL, Lorenzetti V, Malloy-Diniz L, Manning V, Marceau EM, Pennington DL, Strickland JC, Wiers R, Fairhead R, Anderson A, Bell M, Boendermaker WJ, Brooks S, Bruno R, Campanella S, Cousijn J, Cox WM, Dean AC, Ersche KD, Franken I, Froeliger B, Gamito P, Gladwin TE, Goncalves PD, Houben K, Jacobus J, Jones A, Kaag AM, Lindenmeyer J, McGrath E, Nardo T, Oliveira J, Pennington CR, Perrykkad K, Piercy H, Rupp CI, Schulte MHJ, Squeglia LM, Staiger P, Stein DJ, Stein J, Stein M, Stoops WW, Sweeney M, Witkiewitz K, Woods SP, Yi R, Zhao M, Ekhtiari H. Cognitive training and remediation interventions for substance use disorders: a Delphi consensus study. Addiction 2023; 118:935-951. [PMID: 36508168 PMCID: PMC10073279 DOI: 10.1111/add.16109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 11/23/2022] [Indexed: 12/14/2022]
Abstract
AIMS Substance use disorders (SUD) are associated with cognitive deficits that are not always addressed in current treatments, and this hampers recovery. Cognitive training and remediation interventions are well suited to fill the gap for managing cognitive deficits in SUD. We aimed to reach consensus on recommendations for developing and applying these interventions. DESIGN, SETTING AND PARTICIPANTS We used a Delphi approach with two sequential phases: survey development and iterative surveying of experts. This was an on-line study. During survey development, we engaged a group of 15 experts from a working group of the International Society of Addiction Medicine (Steering Committee). During the surveying process, we engaged a larger pool of experts (n = 54) identified via recommendations from the Steering Committee and a systematic review. MEASUREMENTS Survey with 67 items covering four key areas of intervention development: targets, intervention approaches, active ingredients and modes of delivery. FINDINGS Across two iterative rounds (98% retention rate), the experts reached a consensus on 50 items including: (i) implicit biases, positive affect, arousal, executive functions and social processing as key targets of interventions; (ii) cognitive bias modification, contingency management, emotion regulation training and cognitive remediation as preferred approaches; (iii) practice, feedback, difficulty-titration, bias modification, goal-setting, strategy learning and meta-awareness as active ingredients; and (iv) both addiction treatment work-force and specialized neuropsychologists facilitating delivery, together with novel digital-based delivery modalities. CONCLUSIONS Expert recommendations on cognitive training and remediation for substance use disorders highlight the relevance of targeting implicit biases, reward, emotion regulation and higher-order cognitive skills via well-validated intervention approaches qualified with mechanistic techniques and flexible delivery options.
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Affiliation(s)
- Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
| | - Tara Rezapour
- Department of Cognitive Psychology, Institute for Cognitive Science Studies, Tehran, Iran
| | - Emily Giddens
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
| | - Arash Khojasteh Zonoozi
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Parnian Rafei
- Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, Iran
| | - Jamie Berry
- Faculty of Medicine and Health Sciences, Macquarie University, Macquarie Park, NSW, Australia
| | - Alfonso Caracuel
- Mind, Brain and Behavior Research Center, Universidad de Granada, Granada, Spain
| | | | - Matt Field
- Department of Psychology, University of Sheffield, Sheffield, UK
| | - Eric L Garland
- Center on Mindfulness and Integrative Health Intervention Development, University of Utah, Salt Lake City, UT, USA
| | - Valentina Lorenzetti
- Neuroscience of Addiction and Mental Health Program, Healthy Brain and Mind Research Centre, School of Behavioral Sciences, Faculty of Health Sciences, Australian Catholic University, Melbourne, VIC, Australia
| | - Leandro Malloy-Diniz
- Mental Health Department, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Victoria Manning
- Turning Point Drug and Alcohol Centre and Monash Addiction Research Centre (MARC), Monash University, Melbourne, VIC, Australia
| | - Ely M Marceau
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia
| | - David L Pennington
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, USA
| | - Justin C Strickland
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Reinout Wiers
- Addiction Development and Psychopathology (ADAPT) Laboratory, Department of Psychology, Centre for Urban Mental Health, University of Amsterdam, Amsterdam, the Netherlands
| | - Rahia Fairhead
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
| | - Alexandra Anderson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
| | - Morris Bell
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Wouter J Boendermaker
- Addiction, Development, and Psychopathology (ADAPT) Laboratory, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - Samantha Brooks
- Research Centre for Brain and Behaviour, School of Psychology, Faculty of Health, Liverpool John Moores University, UK
| | - Raimondo Bruno
- School of Psychology, University of Tasmania, TAS, Hobart, Australia
| | - Salvatore Campanella
- Laboratoire de Psychologie Médicale et d'Addictologie, ULB Neuroscience Institute (UNI), CHU Brugmann-Université Libre de Bruxelles, Bruxelles, Belgium
| | - Janna Cousijn
- Department of Psychology, Education and Child Studies, Erasmus University Rotterdam, the Netherlands
| | - W Miles Cox
- School of Human and Behavioural Sciences, Bangor University, Bangor, UK
| | - Andrew C Dean
- Department of Psychiatry and Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, CA, USA
| | - Karen D Ersche
- Department of Psychiatry, University of Cambridge, Cambridge, UK
| | - Ingmar Franken
- Department of Psychology, Education and Child Studies, Erasmus University Rotterdam, the Netherlands
| | - Brett Froeliger
- Department of Psychiatry and Psychological Sciences, University of Missouri, Columbia, MO, USA
| | | | | | - Priscila D Goncalves
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Katrijn Houben
- Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, the Netherlands
| | - Joanna Jacobus
- Department of Psychiatry, University of California San Diego, CA, USA
| | - Andrew Jones
- Department of Psychology, University of Liverpool, UK
| | - Anne M Kaag
- Department of Clinical, Neuro and Developmental Psychology, Vrije Universiteit Amsterdam, the Netherlands
| | | | - Elly McGrath
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Talia Nardo
- School of Psychological Sciences, Macquarie University, NSW, Australia
| | | | | | - Kelsey Perrykkad
- Cognition and Philosophy Laboratory, Monash Centre for Consciousness and Contemplative Studies, Monash University, Melbourne, VIC, Australia
| | - Hugh Piercy
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, VIC, Australia
| | - Claudia I Rupp
- Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, University Clinics of Psychiatry I, Medical University Innsbruck, Innsbruck, Austria
| | - Mieke H J Schulte
- Department of Clinical, Neuro and Developmental Psychology, Vrije Universiteit Amsterdam, the Netherlands
| | - Lindsay M Squeglia
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Petra Staiger
- School of Psychology, Deakin University, Melbourne, VIC, Australia
| | - Dan J Stein
- SAMRC Unit on Risk and Resilience in Mental Disorders, Department of Psychiatry and Neuroscience Institute, University of Cape Town, Cape Town, South Africa
| | - Jeff Stein
- Center for Health Behaviors Research, Fralin Biomedical Research Institute at Virginial Tech, VA, USA
| | - Maria Stein
- Department for Clinical Psychology and Psychotherapy, University of Bern, Switzerland
| | - William W Stoops
- Department of Behavioral Science, University of Kentucky, Lexington, KY, USA
| | - Mary Sweeney
- Behavioral Pharmacology Research Unit, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Katie Witkiewitz
- Department of Psychology and Center on Alcohol, Substance Use and Addictions, University of New Mexico, NM, USA
| | - Steven P Woods
- Department of Psychology, University of Houston, Houston, TX, USA
| | - Richard Yi
- Department of Psychology, University of Kansas, Lawrence, KS, USA
| | - Min Zhao
- Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Hamed Ekhtiari
- Department of Psychiatry, University of Minnesota, Minneapolis, MN, USA
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17
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Pelly M, Fatehi F, Liew D, Verdejo-Garcia A. Artificial intelligence for secondary prevention of myocardial infarction: A qualitative study of patient and health professional perspectives. Int J Med Inform 2023; 173:105041. [PMID: 36934609 DOI: 10.1016/j.ijmedinf.2023.105041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/30/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023]
Abstract
BACKGROUND Artificial intelligence (AI) has potential to improve self-management of several chronic conditions. However, the perspective of patients and healthcare professionals regarding AI-enabled health management programs, which are key to successful implementation, remains poorly understood. PURPOSE To explore the opinions of people with a history of myocardial infarction (PHMI) and health professionals on the use of AI for secondary prevention of MI. PROCEDURE Three rounds of focus groups were conducted via videoconferencing with 38 participants: 22 PHMI and 16 health professionals. FINDINGS We identified 21 concepts stemming from participants' views, which we classified into five categories: Trust; Expected Functions; Adoption; Concerns; and Perceived Benefits. Trust covered the credibility of information and safety to believe health advice. Expected Functions covered tailored feedback and personalised advice. Adoption included usability features and overall interest in AI. Concerns originated from previous negative experience with AI. Perceived Benefits included the usefulness of AI to provide advice when regular contact with healthcare services is not feasible. Health professionals were more optimistic than PHMI about the usefulness of AI for improving health behaviour. CONCLUSIONS Altogether, our findings provide key insights from end-users to improve the likelihood of successful implementation and adoption of AI-enabled systems in the context of MI, as an exemplar of broader applications in chronic disease management.
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Affiliation(s)
- Melissa Pelly
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia.
| | - Farhad Fatehi
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia.
| | - Danny Liew
- School of Public Health and Preventive Medicine, Monash University, Clayton, VIC 3800, Australia; The Alfred Hospital, 55 Commercial Rd, Melbourne, VIC 3800, Australia.
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia.
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18
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Anderson AC, Robinson AH, Giddens E, Hartshorn B, Allan E, Rowe C, Lawrence T, Chong TTJ, Lubman DI, Verdejo-Garcia A. Proof-of-concept trial of Goal Management Training + to improve executive functions and treatment outcomes in methamphetamine use disorder. Drug Alcohol Depend 2023; 246:109846. [PMID: 37004463 DOI: 10.1016/j.drugalcdep.2023.109846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 01/30/2023] [Accepted: 03/13/2023] [Indexed: 04/04/2023]
Abstract
BACKGROUND Deficits in executive function are common in methamphetamine use disorder (MUD), likely contributing to difficulties in sustained treatment success. Cognitive remediation interventions are designed to treat such deficits but have not been adapted to the needs of people with MUD. This study presents a proof-of-concept trial to evaluate a new cognitive remediation program for MUD, Goal Management Training+ (GMT+). METHODS This was a cluster-randomised crossover trial comparing GMT+ with a psychoeducation-based control (Brain Health Workshop; BHW). GMT+ is a therapist-administered group-based cognitive remediation for executive dysfunction comprising four 90-minute weekly sessions and daily journal activities. BHW is a lifestyle psychoeducation program matched to GMT+ for therapist involvement, format, and duration. Participants (n = 36; GMT n = 17; BHW n = 19) were recruited from therapeutic communities in Victoria, Australia. Primary outcomes included intervention acceptability, feasibility, and improvements in self-reported executive function. Secondary outcomes included cognitive tests of executive function, severity of methamphetamine dependence, craving, and quality of life. We performed mixed linear modelling and calculated Hedges' g effect sizes. RESULTS GMT+ participant ratings and program retention indicated high acceptability. There was no difference between GMT+ and BHW on self-reported executive function (g = 0.06). Cognitive tasks suggested benefits of GMT+ on information gathering (g = 0.88) and delay-discounting (g = 0.80). Severity of methamphetamine dependence decreased more in GMT+ (g = 1.47). CONCLUSIONS GMT+ was well-accepted but did not improve self-reported executive functioning. Secondary outcomes suggested GMT+ was beneficial for objective cognitive performance and severity of dependence.
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Affiliation(s)
- Alexandra C Anderson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia; Monash Addiction Research Centre, Monash University, Victoria, Australia
| | - Alex H Robinson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia; Monash Addiction Research Centre, Monash University, Victoria, Australia
| | - Emily Giddens
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Breanna Hartshorn
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Eric Allan
- Odyssey House Victoria, Melbourne, Victoria, Australia
| | - Carol Rowe
- Odyssey House Victoria, Melbourne, Victoria, Australia
| | | | - Trevor T-J Chong
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia
| | - Dan I Lubman
- Turning Point, Eastern Health, Victoria, Australia; Monash Addiction Research Centre, Monash University, Victoria, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia; Monash Addiction Research Centre, Monash University, Victoria, Australia.
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19
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Clarke RE, Voigt K, Reichenbach A, Stark R, Bharania U, Dempsey H, Lockie SH, Mequinion M, Lemus M, Wei B, Reed F, Rawlinson S, Nunez-Iglesias J, Foldi CJ, Kravitz AV, Verdejo-Garcia A, Andrews ZB. Identification of a Stress-Sensitive Anorexigenic Neurocircuit From Medial Prefrontal Cortex to Lateral Hypothalamus. Biol Psychiatry 2023; 93:309-321. [PMID: 36400605 DOI: 10.1016/j.biopsych.2022.08.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 08/04/2022] [Accepted: 08/04/2022] [Indexed: 01/24/2023]
Abstract
BACKGROUND A greater understanding of how the brain controls appetite is fundamental to developing new approaches for treating diseases characterized by dysfunctional feeding behavior, such as obesity and anorexia nervosa. METHODS By modeling neural network dynamics related to homeostatic state and body mass index, we identified a novel pathway projecting from the medial prefrontal cortex (mPFC) to the lateral hypothalamus (LH) in humans (n = 53). We then assessed the physiological role and dissected the function of this mPFC-LH circuit in mice. RESULTS In vivo recordings of population calcium activity revealed that this glutamatergic mPFC-LH pathway is activated in response to acute stressors and inhibited during food consumption, suggesting a role in stress-related control over food intake. Consistent with this role, inhibition of this circuit increased feeding and sucrose seeking during mild stressors, but not under nonstressful conditions. Finally, chemogenetic or optogenetic activation of the mPFC-LH pathway is sufficient to suppress food intake and sucrose seeking in mice. CONCLUSIONS These studies identify a glutamatergic mPFC-LH circuit as a novel stress-sensitive anorexigenic neural pathway involved in the cortical control of food intake.
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Affiliation(s)
- Rachel E Clarke
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Katharina Voigt
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Alex Reichenbach
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Romana Stark
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Urvi Bharania
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Harry Dempsey
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Sarah H Lockie
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Mathieu Mequinion
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Moyra Lemus
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Bowen Wei
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Felicia Reed
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Sasha Rawlinson
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Juan Nunez-Iglesias
- Monash Biomedicine Discovery Institute and Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia
| | - Claire J Foldi
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia
| | - Alexxai V Kravitz
- Departments of Psychiatry, Anesthesiology, and Neuroscience, Washington University in St. Louis, St. Louis, Missouri
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Zane B Andrews
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, Victoria, Australia.
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20
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Garfield JBB, Piccoli LR, Whelan D, Staiger PK, Reynolds J, Piercy H, Lubman DI, Verdejo-Garcia A, Manning V. The effect of approach bias modification during alcohol withdrawal treatment on craving, and its relationship to post-treatment alcohol use in a randomised controlled trial. Drug Alcohol Depend 2022; 239:109621. [PMID: 36087564 DOI: 10.1016/j.drugalcdep.2022.109621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 08/25/2022] [Accepted: 08/31/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Approach bias modification (ApBM) for alcohol use disorder helps prevent relapse, yet the psychological mechanisms underlying its efficacy remain unclear. Alcohol craving predicts relapse and appears to be related to the biased processing of alcohol stimuli which is reduced by ApBM. However, there is little research examining whether ApBM reduces alcohol craving. METHODS In a randomised controlled trial testing the effect of 4 ApBM sessions (vs. sham training) on post-treatment alcohol use in 300 alcohol withdrawal inpatients, we administered the Alcohol Craving Questionnaire - Short Form - Revised (ACQ-SF-R) pre and post-training and at 2-week, 3, 6 and 12-month follow ups; and a cue-induced craving measure pre and post training. RESULTS Groups did not significantly differ in terms of declines in ACQ-SF-R total scores (p = .712) or cue-induced craving (p = .841) between the first and last training session, nor in terms of ACQ-SF-R scores at follow-ups (p = .509). However, the ACQ-SF-R Expectancy subscale, which assesses craving based on anticipated positive reinforcement from alcohol, was significantly lower in the ApBM group than in controls following training (p = .030), although the group x time interaction for this subscale was non-significant (p = .062). Post-intervention Expectancy scores mediated only a small portion of ApBM's effect on post-discharge alcohol use (14% in intention-to-treat analysis, p = .046; 15% in per-protocol analysis, p = .020). CONCLUSIONS ApBM does not appear to have robust, sustained effects on alcohol craving. Reduced craving is unlikely to account for ApBM's relapse prevention effects. However, further research on whether ApBM's effects are related to devaluation of alcohol reward expectancy is warranted. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry Identifier: ACTRN12617001241325.
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Affiliation(s)
- Joshua B B Garfield
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turning Point, Eastern Health, Melbourne, Australia.
| | - Lara R Piccoli
- Turner Institute for Brain and Mental Health and School of Psychological Sciences, Monash University, Melbourne, Australia.
| | - Danielle Whelan
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turning Point, Eastern Health, Melbourne, Australia.
| | - Petra K Staiger
- School of Psychology, Deakin University, Geelong, Australia; Centre for Drug Use, Addictive and Antisocial Behaviour Research, Deakin University, Geelong, Australia.
| | - John Reynolds
- Alfred Health and Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.
| | - Hugh Piercy
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turning Point, Eastern Health, Melbourne, Australia.
| | - Dan I Lubman
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turning Point, Eastern Health, Melbourne, Australia.
| | - Antonio Verdejo-Garcia
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turner Institute for Brain and Mental Health and School of Psychological Sciences, Monash University, Melbourne, Australia.
| | - Victoria Manning
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Australia; Turning Point, Eastern Health, Melbourne, Australia.
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21
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Voigt K, Andrews ZB, Harding IH, Razi A, Verdejo-Garcia A. Hypothalamic effective connectivity at rest is associated with body weight and energy homeostasis. Netw Neurosci 2022. [DOI: 10.1162/netn_a_00266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Abstract
Hunger and satiety drive eating behaviours via changes in brain function. The hypothalamus is a central component of the brain networks that regulate food intake. Animal research parsed the roles of the lateral hypothalamus (LH) and medial hypothalamus (MH) in hunger and satiety respectively. Here, we examined how hunger and satiety change information flow between human LH and MH brain networks, and how these interactions are influenced by body mass index (BMI). Forty participants (16 overweight/obese) underwent two resting-state functional MRI scans whilst being fasted and sated. The excitatory/inhibitory influence of information flow between the MH and LH was modelled using spectral dynamic causal modelling. Our results revealed two core networks interacting across homeostatic state and weight: subcortical bidirectional connections between the LH, MH and the substantia nigra pars compacta (prSN), and cortical top-down inhibition from frontoparietal and temporal areas. During fasting, we found higher inhibition between the LH and prSN, whereas the prSN received greater top-down inhibition from across the cortex. Individuals with higher BMI showed that these network dynamics occur irrespective of homeostatic state. Our findings reveal fasting affects brain dynamics over a distributed hypothalamic-midbrain-cortical network. This network is less sensitive to state-related fluctuations among people with obesity.
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Affiliation(s)
- Katharina Voigt
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria, Australia
| | - Zane B. Andrews
- Biomedicine Discovery Institute and Department of Physiology, Monash University, Victoria, Australia
| | - Ian H. Harding
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Australia
| | - Adeel Razi
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria, Australia
- The Wellcome Centre for Human Neuroimaging, University College London, London, WC1E 6BT, UK
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria, Australia
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22
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Picó-Pérez M, Costumero V, Verdejo-Román J, Albein-Urios N, Martínez-González JM, Soriano-Mas C, Barrós-Loscertales A, Verdejo-Garcia A. Brain networks alterations in cocaine use and gambling disorders during emotion regulation. J Behav Addict 2022; 11. [PMID: 35460545 PMCID: PMC9295223 DOI: 10.1556/2006.2022.00018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/25/2022] [Accepted: 03/22/2022] [Indexed: 11/19/2022] Open
Abstract
Background Cocaine use disorder (CUD) and gambling disorder (GD) share clinical features and neural alterations, including emotion regulation deficits and dysfunctional activation in related networks. However, they also exhibit differential aspects, such as the neuroadaptive effects of long-term drug consumption in CUD as compared to GD. Neuroimaging research aimed at disentangling their shared and specific alterations can contribute to improve understanding of both disorders. Methods We compared CUD (N = 15), GD (N = 16) and healthy comparison (HC; N = 17) groups using a network-based approach for studying temporally coherent functional networks during functional magnetic resonance imaging (fMRI) of an emotion regulation task. We focused our analysis in limbic, ventral frontostriatal, dorsal attentional (DAN) and executive networks (FPN), given their involvement in emotion regulation and their alteration in CUD and GD. Correlations with measures of emotional experience and impulsivity (UPPS-P) were also performed. Results The limbic network was significantly decreased during emotional processing both for CUD and GD individuals compared to the HC group. Furthermore, GD participants compared to HC showed an increased activation in the ventral frontostriatal network during emotion regulation. Finally, networks' activation patterns were modulated by impulsivity traits. Conclusions Functional network analyses revealed both overlapping and unique effects of stimulant and gambling addictions on neural networks underpinning emotion regulation.
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Affiliation(s)
- Maria Picó-Pérez
- Life and Health Sciences Research Institute (ICVS), University of Minho, Braga, Portugal
- ICVS/3B's, PT Government Associate Laboratory, Braga/Guimarães, Portugal
- Clinical Academic Center - Braga, Braga, Portugal
- Departamento de Psicología Básica, Clínica y Psicobiología, Universitat Jaume I, Castelló de la Plana, Spain
| | - Víctor Costumero
- Departamento de Psicología Básica, Clínica y Psicobiología, Universitat Jaume I, Castelló de la Plana, Spain
| | - Juan Verdejo-Román
- Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, Granada, Spain
- Department of Personality, Assessment and Clinical Treatment, University of Granada, Granada, Spain
| | - Natalia Albein-Urios
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia
| | | | - Carles Soriano-Mas
- Mental Health Research Networking Center (CIBERSAM), Barcelona, Spain
- Bellvitge Biomedical Research Institute (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Department of Psychobiology and Methodology of Health Sciences, Universitat Autònoma de Barcelona, Spain
| | - Alfonso Barrós-Loscertales
- Departamento de Psicología Básica, Clínica y Psicobiología, Universitat Jaume I, Castelló de la Plana, Spain
| | - Antonio Verdejo-Garcia
- School of Psychology, Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Victoria, Australia
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23
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Ekhtiari H, Zare-Bidoky M, Sangchooli A, Janes AC, Kaufman MJ, Oliver JA, Prisciandaro JJ, Wüstenberg T, Anton RF, Bach P, Baldacchino A, Beck A, Bjork JM, Brewer J, Childress AR, Claus ED, Courtney KE, Ebrahimi M, Filbey FM, Ghahremani DG, Azbari PG, Goldstein RZ, Goudriaan AE, Grodin EN, Hamilton JP, Hanlon CA, Hassani-Abharian P, Heinz A, Joseph JE, Kiefer F, Zonoozi AK, Kober H, Kuplicki R, Li Q, London ED, McClernon J, Noori HR, Owens MM, Paulus MP, Perini I, Potenza M, Potvin S, Ray L, Schacht JP, Seo D, Sinha R, Smolka MN, Spanagel R, Steele VR, Stein EA, Steins-Loeber S, Tapert SF, Verdejo-Garcia A, Vollstädt-Klein S, Wetherill RR, Wilson SJ, Witkiewitz K, Yuan K, Zhang X, Zilverstand A. A methodological checklist for fMRI drug cue reactivity studies: development and expert consensus. Nat Protoc 2022; 17:567-595. [PMID: 35121856 PMCID: PMC9063851 DOI: 10.1038/s41596-021-00649-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 10/21/2021] [Indexed: 12/23/2022]
Abstract
Cue reactivity is one of the most frequently used paradigms in functional magnetic resonance imaging (fMRI) studies of substance use disorders (SUDs). Although there have been promising results elucidating the neurocognitive mechanisms of SUDs and SUD treatments, the interpretability and reproducibility of these studies is limited by incomplete reporting of participants' characteristics, task design, craving assessment, scanning preparation and analysis decisions in fMRI drug cue reactivity (FDCR) experiments. This hampers clinical translation, not least because systematic review and meta-analysis of published work are difficult. This consensus paper and Delphi study aims to outline the important methodological aspects of FDCR research, present structured recommendations for more comprehensive methods reporting and review the FDCR literature to assess the reporting of items that are deemed important. Forty-five FDCR scientists from around the world participated in this study. First, an initial checklist of items deemed important in FDCR studies was developed by several members of the Enhanced NeuroImaging Genetics through Meta-Analyses (ENIGMA) Addiction working group on the basis of a systematic review. Using a modified Delphi consensus method, all experts were asked to comment on, revise or add items to the initial checklist, and then to rate the importance of each item in subsequent rounds. The reporting status of the items in the final checklist was investigated in 108 recently published FDCR studies identified through a systematic review. By the final round, 38 items reached the consensus threshold and were classified under seven major categories: 'Participants' Characteristics', 'General fMRI Information', 'General Task Information', 'Cue Information', 'Craving Assessment Inside Scanner', 'Craving Assessment Outside Scanner' and 'Pre- and Post-Scanning Considerations'. The review of the 108 FDCR papers revealed significant gaps in the reporting of the items considered important by the experts. For instance, whereas items in the 'General fMRI Information' category were reported in 90.5% of the reviewed papers, items in the 'Pre- and Post-Scanning Considerations' category were reported by only 44.7% of reviewed FDCR studies. Considering the notable and sometimes unexpected gaps in the reporting of items deemed to be important by experts in any FDCR study, the protocols could benefit from the adoption of reporting standards. This checklist, a living document to be updated as the field and its methods advance, can help improve experimental design, reporting and the widespread understanding of the FDCR protocols. This checklist can also provide a sample for developing consensus statements for protocols in other areas of task-based fMRI.
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Affiliation(s)
- Hamed Ekhtiari
- Laureate Institute for Brain Research, Tulsa, OK, USA. .,Department of Psychiatry & Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA.
| | - Mehran Zare-Bidoky
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran.,Shahid-Sadoughi University of Medical Sciences, Yazd, Iran.,These authors contributed equally: Mehran Zare-Bidoky, Arshiya Sangchooli
| | - Arshiya Sangchooli
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran.,These authors contributed equally: Mehran Zare-Bidoky, Arshiya Sangchooli
| | - Amy C. Janes
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - Marc J. Kaufman
- Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - Jason A. Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA.,TSET Health Promotion Research Center, Stephenson Cancer Center, Oklahoma City, OK, USA.,Department of Psychiatry & Behavioral Sciences, Oklahoma State University Center for Health Sciences, Tulsa, OK, USA
| | - James J. Prisciandaro
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Torsten Wüstenberg
- Department of Psychiatry and Neurosciences, Charité Campus Mitte, Charité–Universitätsmedizin Berlin, Berlin, Germany
| | - Raymond F. Anton
- Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Patrick Bach
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Heidelberg University, Mannheim, Germany
| | - Alex Baldacchino
- Division of Population Studies and Behavioural Sciences, St Andrews University Medical School, University of St Andrews, Scotland, UK
| | - Anne Beck
- Department of Psychiatry and Neurosciences, Charité Campus Mitte, Charité–Universitätsmedizin Berlin, Berlin, Germany.,Faculty of Health, Health and Medical University, Campus Potsdam, Potsdam, Germany
| | - James M. Bjork
- Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
| | - Judson Brewer
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, USA
| | - Anna Rose Childress
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Eric D. Claus
- Department of Biobehavioral Health, The Pennsylvania State University, University Park, PA, USA
| | - Kelly E. Courtney
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Mohsen Ebrahimi
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Francesca M. Filbey
- Center for BrainHealth, School of Behavioral and Brain Sciences, University of Texas at Dallas, Dallas, TX, USA
| | - Dara G. Ghahremani
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - Peyman Ghobadi Azbari
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran.,Department of Biomedical Engineering, Shahed University, Tehran, Iran
| | - Rita Z. Goldstein
- Departments of Psychiatry & Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Anna E. Goudriaan
- Department of Psychiatry, Amsterdam University Medical Center, University of Amsterdam and Amsterdam Neuroscience, Amsterdam, The Netherlands
| | - Erica N. Grodin
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - J. Paul Hamilton
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Center for Medical Image Science and Visualization, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Colleen A. Hanlon
- Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | | | - Andreas Heinz
- Department of Psychiatry and Neurosciences, Charité Campus Mitte, Charité–Universitätsmedizin Berlin, Berlin, Germany
| | - Jane E. Joseph
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Falk Kiefer
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Heidelberg University, Mannheim, Germany
| | - Arash Khojasteh Zonoozi
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran.,Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hedy Kober
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA
| | | | - Qiang Li
- Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xi’an, China
| | - Edythe D. London
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | - Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC, USA
| | - Hamid R. Noori
- International Center for Primate Brain Research, Center for Excellence in Brain Science and Intelligence Technology (CEBSIT)/Institute of Neuroscience (ION), Chinese Academy of Sciences, Shanghai, China.,McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Max M. Owens
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | | | - Irene Perini
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden.,Center for Medical Image Science and Visualization, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Marc Potenza
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA.,Connecticut Mental Health Center, New Haven, CT, USA.,Connecticut Council on Problem Gambling, Wethersfield, CT, USA.,Department of Neuroscience, Child Study Center and Wu Tsai Institute, Yale School of Medicine, New Haven, CT, USA
| | - Stéphane Potvin
- Centre de recherche de l’Institut Universitaire en Santé Mentale de Montréal, University of Montreal, Montreal, Canada
| | - Lara Ray
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, USA
| | | | - Dongju Seo
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA
| | - Rajita Sinha
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA
| | - Michael N. Smolka
- Department of Psychiatry, Technische Universität Dresden, Dresden, Germany
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute of Mental Health, Mannheim, Germany
| | - Vaughn R. Steele
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA
| | - Elliot A. Stein
- Intramural Research Program, National Institute on Drug Abuse, Baltimore, MD, USA
| | - Sabine Steins-Loeber
- Department of Clinical Psychology and Psychotherapy, Otto-Friedrich-University of Bamberg, Bamberg, Germany
| | - Susan F. Tapert
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | | | - Sabine Vollstädt-Klein
- Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health (CIMH), Heidelberg University, Mannheim, Germany
| | - Reagan R. Wetherill
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Stephen J. Wilson
- Department of Psychology, The Pennsylvania State University, University Park, PA, USA
| | - Katie Witkiewitz
- Department of Psychology, University of New Mexico, Albuquerque, NM, USA
| | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi’an, China
| | - Xiaochu Zhang
- Department of Psychology, School of Humanities and Social Science, University of Science and Technology of China, Anhui, China.,Department of Radiology, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Science at the Microscale and School of Life Science, Division of Life Science and Medicine, University of Science and Technology of China, Anhui, China
| | - Anna Zilverstand
- Department of Psychiatry & Behavioral Sciences, University of Minnesota, Minneapolis, MN, USA
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24
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Van Baal ST, Le S, Fatehi F, Hohwy J, Verdejo-Garcia A. Cory COVID-Bot: An Evidence-Based Behavior Change Chatbot for COVID-19. Stud Health Technol Inform 2022; 289:422-425. [PMID: 35062181 DOI: 10.3233/shti210948] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cory COVID-Bot is an artificial intelligence chatbot designed and built by a multisector collaboration to help people safely step towards COVID normal. Achieving COVID normal and avoiding unnecessary adverse health outcomes requires effective communication to the public regarding COVID safe behaviors, but reaching young, culturally and linguistically diverse members of the community is challenging for government. Cory COVID-Bot was developed to directly engage with difficult to reach populations in English and Vietnamese. In order to resolve public ambiguity and uncertainty about public health guidelines, and to stimulate safe behavior, Cory COVID-Bot provides updated recommendations and behavior change interventions, which emphasize the importance of COVID safe behaviors.
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Affiliation(s)
| | - Suong Le
- Department of Gastroenterology and Hepatology, Monash Health, Australia.,School of Clinical Sciences, Monash University, Australia
| | - Farhad Fatehi
- School of Psychological Sciences, Monash University, Australia
| | - Jakob Hohwy
- Cognition and Philosophy Lab, Monash University, Australia.,Centre for Consciousness & Contemplative Studies, Monash University, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences, Monash University, Australia.,Turner Institute for Brain and Mental Health, Monash University, Australia
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25
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Verdejo-Garcia A, Hanegraaf L, Blanco-Gandía MC, López-Arnau R, Grau M, Miñarro J, Escubedo E, Pubill D, Rodríguez-Arias M. Impact of adolescent methamphetamine use on social cognition: A human-mice reverse translation study. Drug Alcohol Depend 2022; 230:109183. [PMID: 34847504 DOI: 10.1016/j.drugalcdep.2021.109183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/11/2021] [Accepted: 10/25/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND Methamphetamine dependence is associated with social cognition deficits that may underpin negative social outcomes. However, there are considerable inter-individual differences in social cognition within people with methamphetamine dependence, with age of onset of methamphetamine use being a potential contributing factor. MATERIALS AND METHODS We conducted two sequential studies examining the link between age of onset of methamphetamine use (adolescence versus young adulthood) and performance in social cognition tests: (1) a human cross-sectional study in 95 participants with methamphetamine dependence varying in age of onset (38 with adolescent onset and 57 with adult onset) and 49 drug-naïve controls; (2) a mice study in which we tested the effects of methamphetamine exposure during adolescence versus young adulthood on social interaction and aggression, and their potential neurochemical substrates in the striatal dopaminergic system. RESULTS We initially showed that people with methamphetamine dependence who started use in adolescence had higher antisocial beliefs (p = 0.046, Cohen's d=0.42) and worse emotion recognition (p = 0.031, Cohen's d=0.44) than those who started use during adulthood. We reasoned that this could be due to either social cognition deficits leading to earlier onset of methamphetamine use, or methamphetamine-induced neuroadaptive effects specific to adolescence. Mice experiments showed that methamphetamine exposure during adolescence specifically decreased social investigation during social interaction and upregulated striatal tyrosine hydroxylase (p < 0.05, Bonferroni corrected). There was no evidence of adolescent-specific methamphetamine effects on aggression or other measures of dopaminergic function. CONCLUSION Together, translational findings demonstrate heightened sensitivity to methamphetamine effects on social cognition during adolescence.
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Affiliation(s)
- Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, 18 Innovation Walk, Clayton, VIC 3800, Australia.
| | - Lauren Hanegraaf
- Turner Institute for Brain and Mental Health, Monash University, 18 Innovation Walk, Clayton, VIC 3800, Australia
| | - María Carmen Blanco-Gandía
- Department of Psychology and Sociology, University of Zaragoza, C/ Ciudad Escolar s/n, 44003 Teruel, Spain
| | - Raúl López-Arnau
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Pharmacology Section and Institute of Biomedicine (IBUB), Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain
| | - Marina Grau
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Pharmacology Section and Institute of Biomedicine (IBUB), Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain
| | - José Miñarro
- Department of Psychobiology, Facultad de Psicología, Universitat de Valencia, Avda. Blasco Ibáñez, 21, 46010 Valencia, Spain
| | - Elena Escubedo
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Pharmacology Section and Institute of Biomedicine (IBUB), Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain
| | - David Pubill
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Pharmacology Section and Institute of Biomedicine (IBUB), Faculty of Pharmacy and Food Sciences, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain
| | - Marta Rodríguez-Arias
- Department of Psychobiology, Facultad de Psicología, Universitat de Valencia, Avda. Blasco Ibáñez, 21, 46010 Valencia, Spain
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26
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Anderson AC, Youssef GJ, Robinson AH, Lubman DI, Verdejo-Garcia A. Cognitive boosting interventions for impulsivity in addiction: a systematic review and meta-analysis of cognitive training, remediation and pharmacological enhancement. Addiction 2021; 116:3304-3319. [PMID: 33751683 DOI: 10.1111/add.15469] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/09/2020] [Accepted: 02/24/2021] [Indexed: 01/05/2023]
Abstract
AIMS To evaluate and compare the effects of three cognitive boosting intervention approaches (computerised cognitive training, cognitive remediation and pharmacological cognitive enhancers) on measures of impulsive action and impulsive choice. DESIGN Systematic review and meta-analysis of publications that reported original controlled trials of cognitive boosting interventions. SETTING Studies conducted anywhere in the world. No language restrictions were applied. PARTICIPANTS Treatment-seeking adults with substance use disorder or gambling disorder. MEASUREMENTS Our primary outcome was a reduction in impulsive action or choice on a validated cognitive measure post-intervention. We assessed risk of bias using the Cochrane Collaboration tool and determined pooled estimates from published reports. We performed random-effects analyses for impulsive action and impulsive choice outcomes and planned moderator analyses. FINDINGS Of 2204 unique studies identified, 60 were included in the full-text review. Twenty-three articles were considered eligible for inclusion in the qualitative synthesis and 16 articles were included in our meta-analysis. Articles eligible for pooled analyses included five working memory training (computerised cognitive training) studies with 236 participants, three goal management training (cognitive remediation) studies with 99 participants, four modafinil (cognitive enhancer) studies with 160 participants and four galantamine (cognitive enhancer) studies with 131 participants. Study duration ranged from 5 days to 13 weeks, with immediate follow-up assessments. There were no studies identified that specifically targeted gambling disorder. We only found evidence for a benefit on impulsive choice of goal management training, although only in two studies involving 66 participants (standardised mean difference (SMD) = 0.86; 95% CI = 0.49-1.23; P = 0.02; I2 = 0%, P = 0.95). CONCLUSION Cognitive remediation, and specifically goal management training, may be an effective treatment for addressing impulsive choice in addiction. Preliminary evidence does not support the use of computerised cognitive training or pharmacological enhancers to boost impulse control in addiction.
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Affiliation(s)
- Alexandra C Anderson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia.,Monash Addiction Research Centre, Monash University, Melbourne, Victoria, Australia
| | - George J Youssef
- Centre for Social and Early Emotional Development, School of Psychology, Faculty of Health, Deakin University, Geelong, Victoria, Australia.,Centre for Adolescent Health, Population Health Theme, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Alex H Robinson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia.,Monash Addiction Research Centre, Monash University, Melbourne, Victoria, Australia
| | - Dan I Lubman
- Turning Point, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia.,Monash Addiction Research Centre, Monash University, Melbourne, Victoria, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia.,Monash Addiction Research Centre, Monash University, Melbourne, Victoria, Australia
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27
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Voigt K, Razi A, Harding IH, Andrews ZB, Verdejo-Garcia A. Neural network modelling reveals changes in directional connectivity between cortical and hypothalamic regions with increased BMI. Int J Obes (Lond) 2021; 45:2447-2454. [PMID: 34341471 PMCID: PMC8528693 DOI: 10.1038/s41366-021-00918-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 07/11/2021] [Accepted: 07/19/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND/OBJECTIVES Obesity has been ascribed to corticostriatal regions taking control over homeostatic areas. To test this assumption, we applied an effective connectivity approach to reveal the direction of information flow between brain regions and the valence of connections (excitatory versus inhibitory) as a function of increased BMI and homeostatic state. SUBJECTS/METHODS Forty-one participants (21 overweight/obese) underwent two resting-state fMRI scans: after overnight fasting (hunger) and following a standardised meal (satiety). We used spectral dynamic causal modelling to unravel hunger and increased BMI-related changes in directed connectivity between cortical, insular, striatal and hypothalamic regions. RESULTS During hunger, as compared to satiety, we found increased excitation of the ventromedial prefrontal cortex over the ventral striatum and hypothalamus, suggesting enhanced top-down modulation compensating energy depletion. Increased BMI was associated with increased excitation of the anterior insula over the hypothalamus across the hunger and satiety conditions. The interaction of hunger and increased BMI yielded decreased intra-cortical excitation from the dorso-lateral to the ventromedial prefrontal cortex. CONCLUSIONS Our findings suggest that excess weight and obesity is associated with persistent top-down excitation of the hypothalamus, regardless of homeostatic state, and hunger-related reductions of dorso-lateral to ventromedial prefrontal inputs. These findings are compatible with eating without hunger and reduced self-regulation views of obesity.
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Affiliation(s)
- Katharina Voigt
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Adeel Razi
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
- The Wellcome Centre for Human Neuroimaging, University College London, London, UK
- Department of Electronic Engineering, NED University of Engineering and Technology, Karachi, Sindh, Pakistan
- CIFAR Azrieli Global Scholars Program, CIFAR, Toronto, ON, Canada
| | - Ian H Harding
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Monash Biomedical Imaging, Monash University, Melbourne, VIC, Australia
| | - Zane B Andrews
- Biomedicine Discovery Institute and Department of Physiology, Monash University, Melbourne, VIC, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia.
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28
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Hanegraaf L, Hohwy J, Verdejo-Garcia A. Latent classes of maladaptive personality traits exhibit differences in social processing. J Pers 2021; 90:615-630. [PMID: 34714935 PMCID: PMC9545362 DOI: 10.1111/jopy.12686] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Social processing (SP) deficits manifest across numerous mental disorders. However, this research has been plagued by heterogeneity and a piecemeal approach whereby skills are examined in isolation rather than as part of an integrated cognitive system. Here, we combined two dimensional frameworks of psychopathology to address these limitations. METHOD We utilized the Alternative Model for Personality Disorders (AMPD) to distill trait-related heterogeneity within a community sample (n = 200), and the Research Domain Criteria (RDoC) 'Systems for Social Processes' to comprehensively assess SP. We first applied latent class analyses (LCA) to derive AMPD-based groups and subsequently contrasted the performance of these groups on a SP test battery that we developed to align with the RDoC SP constructs. RESULTS Our LCA yielded four distinct subgroups. The recognizable trait profiles and psychopathological symptoms of these classes suggested they were clinically meaningful. The subgroups differed in their SP profiles: one displayed deficits regarding the self, a second displayed deficits in understanding others, a third displayed more severe deficits including affiliation problems, whilst the fourth showed normal performance. CONCLUSIONS Our results support the link between clusters of maladaptive personality traits and distinctive profiles of SP deficits, which may inform research on disorders involving SP dysfunctions.
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Affiliation(s)
- Lauren Hanegraaf
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
| | - Jakob Hohwy
- Cognition and Philosophy Lab, Philosophy Department, Monash University, Clayton, Victoria, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, Australia
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29
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Christensen EL, Harding IH, Voigt K, Chong TTJ, Verdejo-Garcia A. Neural underpinnings of food choice and consumption in obesity. Int J Obes (Lond) 2021; 46:194-201. [PMID: 34611286 DOI: 10.1038/s41366-021-00974-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 09/09/2021] [Accepted: 09/22/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND/OBJECTIVES Obesity is associated with unhealthy food choices. Food selection is driven by the subjective valuation of available options, and the perceived and actual rewards accompanying consumption. These cognitive operations are mediated by brain regions including the ventromedial prefrontal cortex (vmPFC), dorsal anterior cingulate cortex (dACC), and ventral striatum (vStr). This study investigated the relationship between body mass index (BMI) and functional activations in the vmPFC, dACC, and vStr during food selection and consumption. SUBJECTS/METHODS After overnight fasting, 26 individuals (BMI: 18-40 kg/m2) performed a food choice task while being scanned with functional magnetic resonance imaging (fMRI). Each trial involved selecting one beverage from a pair of presented options, followed by delivery of a 3 mL aliquot of the selected option using an MR-compatible gustometer. We also tracked subjective preference for each beverage throughout the experiment. RESULTS During food choice, individuals with greater BMI had less activation in the dorsolateral prefrontal cortex when selecting a high-value option and less vmPFC activation upon its consumption. Independent of BMI, during food choice the dACC and anterior insula elicited higher activation when a less preferred beverage was selected. Activation of the dACC and a broader frontoparietal network was also observed when deciding between options more similar in value. During consumption, receipt of a more preferred beverage was associated with greater vmPFC response, and attenuation of the dACC. CONCLUSIONS An individual's preference for a food option modulates the brain activity associated with choosing and consuming it. The relationship between food preference and underlying brain activity is altered in obesity, with reduced engagement of cognition-related regions when presented with a highly valued option, but a blunted response in reward-related regions upon consumption.
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Affiliation(s)
- Erynn L Christensen
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Ian H Harding
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia.,Monash Biomedical Imaging, Monash University, Melbourne, VIC, Australia
| | - Katharina Voigt
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia.,Department of Neuroscience, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Trevor T-J Chong
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia.
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30
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Verdejo-Garcia A, Chong TTJ. Targeting goal-based decision-making for addiction recovery. Pharmacol Biochem Behav 2021; 210:173275. [PMID: 34547354 DOI: 10.1016/j.pbb.2021.173275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 09/08/2021] [Accepted: 09/15/2021] [Indexed: 11/17/2022]
Affiliation(s)
- Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, 3800 Clayton, VIC, Australia.
| | - Trevor T-J Chong
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, 3800 Clayton, VIC, Australia
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31
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Roberts CA, Lorenzetti V, Albein-Urios N, Kowalczyk MA, Martinez-Gonzalez JM, Verdejo-Garcia A. Do comorbid personality disorders in cocaine dependence exacerbate neuroanatomical alterations? A structural neuroimaging study. Prog Neuropsychopharmacol Biol Psychiatry 2021; 110:110298. [PMID: 33716043 DOI: 10.1016/j.pnpbp.2021.110298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 02/16/2021] [Accepted: 03/07/2021] [Indexed: 12/17/2022]
Abstract
Cocaine dependence (CD) is highly comorbid with personality disorders, with implications for poorer treatment response. The neurobiological mechanisms of this comorbidity are unclear. We aimed to test the role of comorbid personality disorders in the neuroanatomy of CD. We examined 4 groups using high-resolution structural neuroimaging, psychological questionnaires and cognitive tests: CD (n = 19), CD and personality disorder type B (CD + B, n = 21), CD and personality disorder C (CD + C, n = 13) and 21 controls. We compared groups in neuroanatomy and hypothesised that (i) CD would show altered striatal areas ascribed to reward processing (i.e., accumbens, caudate and putamen), (ii) CD + B and CD + C would show altered areas supporting emotional regulation/social valuation and anxiety/avoidance (i.e., OFC and amygdala). The CD + B group had larger caudate volumes than CD (p = .01, d = 0.94) and reduced lateral OFC thickness than CD + C (p = .056, d = 0.71). Exploratory correlations showed that altered neural integrity of the OFC and of the caudate nucleus in these groups exacerbated with worse personality disorder severity and impulsivity scores. CD with and without comorbid personality disorders may have partially distinct underlying mechanisms and targets for treatment.
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Affiliation(s)
- Carl A Roberts
- Department of Psychological Sciences, University of Liverpool, UK
| | - Valentina Lorenzetti
- Department of Psychological Sciences, University of Liverpool, UK; Neuroscience of Addiction and Mental Health Program, Healthy Brain and Mind Research Centre, School of Behavioural and Health Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, VIC 3065, Australia
| | - Natalia Albein-Urios
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, VIC 3220, Australia
| | - Magdalena A Kowalczyk
- Neuroscience of Addiction and Mental Health Program, Healthy Brain and Mind Research Centre, School of Behavioural and Health Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, VIC 3065, Australia
| | | | - Antonio Verdejo-Garcia
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, VIC 3220, Australia; Centro Provincial de Drogodependencias, Diputacion de Granada, 18001 Granada, Spain; School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia.
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32
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Ho D, Verdejo-Garcia A. Interactive influences of food, contexts and neurocognitive systems on addictive eating. Prog Neuropsychopharmacol Biol Psychiatry 2021; 110:110295. [PMID: 33657421 DOI: 10.1016/j.pnpbp.2021.110295] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/04/2020] [Accepted: 02/24/2021] [Indexed: 02/08/2023]
Abstract
Compulsive eating is a common symptom of different conditions, including obesity, binge eating disorder and bulimia. One hypothesis is that contemporary food products promote compulsive eating via addiction-like mechanisms. However, what is the addictive substance in food, and what is the phenotypic overlap between obesity / eating disorders and addictions are questions that remain unresolved. In this review, we applied a multilevel framework of addiction, which encompasses the 'drug' (certain foods), the person's mindset, and the context, to improve understanding of compulsive eating. Specifically, we reviewed evidence on the addictive properties of specific foods, the neurocognitive systems that control dietary choices, and their interaction with physical, emotional and social contexts. We focused on different target groups to illustrate distinct aspects of the proposed framework: the impact of food and contextual factors were examined across a continuum, with most studies conducted on healthy participants and subclinical populations, whereas the review of neurocognitive aspects focused on clinical groups in which the alterations linked to addictive and compulsive eating are particularly visible. The reviewed evidence suggest that macronutrient composition and level of processing are associated with the addictive properties of food; there are overlapping neuroadaptations in reward and decision-making circuits across compulsive eating conditions; and there are physical and social contexts that fuel compulsive eating by exploiting reward mechanisms and their interaction with emotions. We conclude that a biopsychosocial model that integrates food, neurobiology and context can provide a better understanding of compulsive eating manifestations in a transdiagnostic framework.
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Affiliation(s)
- Daniel Ho
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia.
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Voigt K, Giddens E, Stark R, Frisch E, Moskovsky N, Kakoschke N, Stout JC, Bellgrove MA, Andrews ZB, Verdejo-Garcia A. The Hunger Games: Homeostatic State-Dependent Fluctuations in Disinhibition Measured with a Novel Gamified Test Battery. Nutrients 2021; 13:nu13062001. [PMID: 34200678 PMCID: PMC8230368 DOI: 10.3390/nu13062001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 05/28/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022] Open
Abstract
Food homeostatic states (hunger and satiety) influence the cognitive systems regulating impulsive responses, but the direction and specific mechanisms involved in this effect remain elusive. We examined how fasting, and satiety, affect cognitive mechanisms underpinning disinhibition using a novel framework and a gamified test-battery. Thirty-four participants completed the test-battery measuring three cognitive facets of disinhibition: attentional control, information gathering and monitoring of feedback, across two experimental sessions: one after overnight fasting and another after a standardised meal. Homeostatic state was assessed using subjective self-reports and biological markers (i.e., blood-derived liver-expressed antimicrobial protein 2 (LEAP-2), insulin and leptin). We found that participants who experienced greater subjective hunger during the satiety session were more impulsive in the information gathering task; results were not confounded by changes in mood or anxiety. Homeostatic state did not significantly influence disinhibition mechanisms linked to attentional control or feedback monitoring. However, we found a significant interaction between homeostatic state and LEAP-2 on attentional control, with higher LEAP-2 associated with faster reaction times in the fasted condition only. Our findings indicate lingering hunger after eating increases impulsive behaviour via reduced information gathering. These findings identify a novel mechanism that may underpin the tendency to overeat and/or engage in broader impulsive behaviours.
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Affiliation(s)
- Katharina Voigt
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Emily Giddens
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Romana Stark
- Department of Physiology and Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (R.S.); (Z.B.A.)
| | - Emma Frisch
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Neda Moskovsky
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Naomi Kakoschke
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Julie C. Stout
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Mark A. Bellgrove
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
| | - Zane B. Andrews
- Department of Physiology and Biomedicine Discovery Institute, Monash University, Clayton, VIC 3800, Australia; (R.S.); (Z.B.A.)
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Clayton, VIC 3800, Australia; (K.V.); (E.G.); (E.F.); (N.M.); (N.K.); (J.C.S.); (M.A.B.)
- Correspondence: ; Tel.: +61-3-9905-5374
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Leary M, Pursey KM, Verdejo-Garcia A, Burrows TL. Current Intervention Treatments for Food Addiction: A Systematic Review. Behav Sci (Basel) 2021; 11:80. [PMID: 34071059 PMCID: PMC8224570 DOI: 10.3390/bs11060080] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 12/28/2022] Open
Abstract
Research on the concept of food addiction (FA) has steadily grown and, based on a widely used self-report, FA is estimated to affect between 16-20% of the adult population. However, there are few interventions available for people with self-reported FA, and their efficacy is unclear. The primary aim of the review was to examine the efficacy of different interventions, including behavioural/lifestyle, medication and surgical approaches, for reducing symptoms and/or changing diagnosis of FA among adolescents and adults. A secondary aim was to examine the influence of sex as a moderator of intervention effects. A systematic search was performed from 2008-2020 to identify studies that used the YFAS to assess the effectiveness of interventions on FA. Nine studies were identified (n = 7 adults, n = 2 adolescents) including a total of 812 participants (range 22-256) with an average of 69% females per study. The types of interventions included medications (n = 3), lifestyle modification (n = 3), surgical (n = 2) and behavioural (n = 1), with FA being assessed as a secondary outcome in all studies. Five studies in adults reported a significant reduction in FA symptoms or diagnosis from pre to post-intervention, two when compared to a control group and three in the intervention group only. Efficacious interventions included: medication (combination of naltrexone and bupropion, as well as pexacerfont), bariatric surgery and lifestyle modification. No significant changes in FA were reported in adolescent studies. Given few studies were identified by the review, there is insufficient evidence to provide clear recommendations for practice; however, some interventions show potential for reducing self-reported FA outcomes in adults. Future research should explore the longer-term efficacy of interventions and the effectiveness of treatments with sufficient sample sizes.
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Affiliation(s)
- Mark Leary
- School of Health Sciences, College of Medicine, Health and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Kirrilly M Pursey
- School of Health Sciences, College of Medicine, Health and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia
| | - Tracy L Burrows
- School of Health Sciences, College of Medicine, Health and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia
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Whatnall M, Skinner J, Verdejo-Garcia A, Carter A, Brown RM, Andrews ZB, Dayas CV, Hardman CA, Loxton N, Sumithran P, Burrows T. Symptoms of Addictive Eating: What Do Different Health Professions Think? Behav Sci (Basel) 2021; 11:bs11050060. [PMID: 33925846 PMCID: PMC8145409 DOI: 10.3390/bs11050060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 11/16/2022] Open
Abstract
The symptoms of addictive eating are often debated, with some overlap in symptoms with substance addictions or other disorders such as binge eating disorder. This study explored the levels of agreement with symptoms of addictive eating among different health professions, the conditions they provide advice for, and the population group/s they work with. An online cross-sectional survey was conducted in February-April 2020 including 142 health professionals (87% female, 65% residing in Australia, 28% each working in private practice/hospital settings). Of these, 47% were dietitians, 20% psychologists/psychotherapists/counsellors, 16% other health practitioners (e.g., social workers), 13% health researchers, and 5% medical professionals. Agreement with 11 statements relating to addictive eating symptoms was assessed on a scale of 1/strongly disagree to 5/strongly agree (e.g., certain foods produce physiological effects in the brain rewards system). Differences in agreement by health profession were assessed by one-way analysis of variance. There were significant differences in agreement with individual statements between health professions. Psychologists, psychotherapists, and counsellors reported lower agreement to statements relating to physiological effects in the reward system, withdrawal symptoms, and over-eating to alleviate stress/anxiety, than other professions (p < 0.05). Those providing advice for disordered eating only reported lower agreement across statements compared with those providing advice for overweight/obesity or both (p < 0.001). There were minimal differences based on the population group/s that health professionals work with. There is some agreement among health professionals regarding addictive eating symptoms, however, this differs by profession and the conditions they treat. This study provides a novel perspective on health professionals' views on addictive eating symptoms, and there is a need for more research to explore the concepts further.
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Affiliation(s)
- Megan Whatnall
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia; (M.W.); (J.S.)
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Janelle Skinner
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia; (M.W.); (J.S.)
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia; (A.V.-G.); (A.C.)
| | - Adrian Carter
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia; (A.V.-G.); (A.C.)
| | - Robyn M. Brown
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia; (R.M.B.); (Z.B.A.)
| | - Zane B. Andrews
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia; (R.M.B.); (Z.B.A.)
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, VIC 3800, Australia
| | - Chris V. Dayas
- School of Biomedical Sciences & Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia;
- Hunter Medical Research Institute (HMRI), New Lambton Heights, NSW 2305, Australia
| | - Charlotte A. Hardman
- Department of Psychology, Institute of Population Health, University of Liverpool, Liverpool L69 7ZA, UK;
| | - Natalie Loxton
- School of Applied Psychology, Griffith University, Brisbane, QLD 4122, Australia;
- Centre for Youth Substance Abuse Research, University of Queensland, Brisbane, QLD 4072, Australia
| | - Priya Sumithran
- Department of Medicine (Austin), University of Melbourne, Heidelberg, VIC 3084, Australia;
- Department of Endocrinology, Austin Health, Heidelberg Heights, VIC 3081, Australia
| | - Tracy Burrows
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia; (M.W.); (J.S.)
- School of Health Sciences, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia
- Correspondence:
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Hanegraaf L, van Baal S, Hohwy J, Verdejo-Garcia A. A systematic review and meta-analysis of 'Systems for Social Processes' in borderline personality and substance use disorders. Neurosci Biobehav Rev 2021; 127:572-592. [PMID: 33865874 DOI: 10.1016/j.neubiorev.2021.04.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 02/10/2021] [Accepted: 04/12/2021] [Indexed: 01/12/2023]
Abstract
Deficits in social processing (SP) have been proposed to underpin interpersonal dysfunction in both Borderline Personality Disorder (BPD) and Substance Use Disorders (SUD). This study aimed to explore potential transdiagnostic cognitive and behavioral phenotypes of these disorders utilizing the NIMH Research Domain Criteria 'Systems for Social Processes'. A systematic review and meta-analysis of the published research was conducted on 134 studies identified through our database searches. Four meta-analyses were conducted, which revealed significant overlapping deficits in the ability to identify facial emotions and infer the mental states of others in both BPD and SUD. Further, people with BPD displayed a higher ostracism effect following perceived social exclusion. Systematically reviewed studies also revealed significant dysfunction amongst individuals with BPD and SUD across both self and other SP constructs, which were broadly similar in magnitude. Taken together, these results support the proposition that SP dysfunction may be considered a core transdiagnostic phenotype of BPD and SUD.
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Affiliation(s)
- Lauren Hanegraaf
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia.
| | - Simon van Baal
- Cognition and Philosophy Lab, Philosophy Department, Monash University, Clayton, Australia
| | - Jakob Hohwy
- Cognition and Philosophy Lab, Philosophy Department, Monash University, Clayton, Australia
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC, Australia
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Manning V, Garfield JBB, Staiger PK, Lubman DI, Lum JAG, Reynolds J, Hall K, Bonomo Y, Lloyd-Jones M, Wiers RW, Piercy H, Jacka D, Verdejo-Garcia A. Effect of Cognitive Bias Modification on Early Relapse Among Adults Undergoing Inpatient Alcohol Withdrawal Treatment: A Randomized Clinical Trial. JAMA Psychiatry 2021; 78:133-140. [PMID: 33146693 PMCID: PMC7643044 DOI: 10.1001/jamapsychiatry.2020.3446] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
IMPORTANCE More than half of patients with alcohol use disorder who receive inpatient withdrawal treatment relapse within weeks of discharge, hampering subsequent uptake and effectiveness of psychological and pharmacologic interventions. Cognitive bias modification (CBM) improves outcomes after alcohol rehabilitation, but the efficacy of delivering CBM during withdrawal treatment has not yet been established. OBJECTIVE To test the hypothesis that CBM would increase the likelihood of abstaining from alcohol during the 2 weeks following discharge from inpatient withdrawal treatment. DESIGN, SETTING, AND PARTICIPANTS In a randomized clinical trial, 950 patients in 4 inpatient withdrawal units in Melbourne, Australia, were screened for eligibility between June 4, 2017, and July 14, 2019, to receive CBM or sham treatment. Patients with moderate or severe alcohol use disorder aged 18 to 65 years who had no neurologic illness or traumatic brain injury were eligible. Two-week follow-up, conducted by researchers blinded to the participant's condition, was the primary end point. Both per-protocol and intention-to-treat analysis were conducted. INTERVENTIONS Randomized to 4 consecutive daily sessions of CBM designed to reduce alcohol approach bias or sham training not designed to modify approach bias. MAIN OUTCOMES AND MEASURES Primary outcome was abstinence assessed using a timeline followback interview. Participants were classified as abstinent (no alcohol use in the first 14 days following discharge) or relapsed (any alcohol use during the first 14 days following discharge or lost to follow-up). RESULTS Of the 950 patients screened for eligibility, 338 did not meet inclusion criteria, 108 were discharged before being approached, and 192 refused. Of the 312 patients who consented (referred sample), 12 withdrew before being randomized. In the final population of 300 randomized patients (CBM, n = 147; sham, n = 153), 248 completed the intervention and 272 completed the follow-up. Of the 300 participants (173 [57.7%] men; mean [SD] age, 43.47 [10.43] years), 7 patients (3 controls, 4 CBM) withdrew after finding the training uncomfortable. Abstinence rates were 42.5% (95% CI, 34.3%-50.6%) in controls and 54.4% (95% CI, 46.0%-62.8%) in CBM participants, yielding an 11.9% (95% CI, 0.04%-23.8%; P = .04) difference in abstinence rates. In a per-protocol analysis including only those who completed 4 sessions of training and the follow-up, the difference in abstinence rate between groups was 17.0% (95% CI, 3.8%-30.2%; P = .008). CONCLUSIONS AND RELEVANCE The findings of this clinical trial support the efficacy of CBM for treatment of alcohol use disorder. Being safe and easy to implement, requiring only a computer and joystick, and needing no specialist staff/training, CBM could be routinely offered as an adjunctive intervention during withdrawal treatment to optimize outcomes. TRIAL REGISTRATION Australian New Zealand Clinical Trials Registry Identifier: ACTRN12617001241325.
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Affiliation(s)
- Victoria Manning
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia,Turning Point, Eastern Health, Melbourne, Victoria, Australia
| | - Joshua B. B. Garfield
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia,Turning Point, Eastern Health, Melbourne, Victoria, Australia
| | - Petra K. Staiger
- Deakin University School of Psychology, Geelong, Victoria, Australia,Centre for Drug Use, Addictive and Antisocial Behaviour Research, Deakin University, Geelong, Victoria, Australia
| | - Dan I. Lubman
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia,Turning Point, Eastern Health, Melbourne, Victoria, Australia
| | - Jarrad A. G. Lum
- Deakin University School of Psychology, Geelong, Victoria, Australia
| | - John Reynolds
- Alfred Health and Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria, Australia
| | - Kate Hall
- Deakin University School of Psychology, Geelong, Victoria, Australia,Centre for Drug Use, Addictive and Antisocial Behaviour Research, Deakin University, Geelong, Victoria, Australia
| | - Yvonne Bonomo
- Department of Addiction Medicine, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia,Division of Medicine, Dentistry, and Health Sciences, University of Melbourne, Melbourne, Victoria, Australia
| | - Martyn Lloyd-Jones
- Department of Addiction Medicine, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Reinout W. Wiers
- Addiction Development and Psychopathology Lab, Center for Urban Mental Health, Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands
| | - Hugh Piercy
- Monash Addiction Research Centre, Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia,Turning Point, Eastern Health, Melbourne, Victoria, Australia
| | - David Jacka
- Monash Health Drug and Alcohol Service, Monash Health, Melbourne, Victoria, Australia
| | - Antonio Verdejo-Garcia
- Turning Point, Eastern Health, Melbourne, Victoria, Australia,Turner Institute for Brain and Mental Health, Monash University School of Psychological Sciences, Melbourne, Victoria, Australia
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Fitzpatrick RE, Robinson AH, Rubenis AJ, Lubman DI, Verdejo-Garcia A. Lack of longitudinal changes in cognition in individuals with methamphetamine use disorder during the first 6 weeks after commencing treatment. Am J Drug Alcohol Abuse 2021; 47:383-392. [PMID: 33524275 DOI: 10.1080/00952990.2020.1869243] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background: Methamphetamine use disorder (MUD) associates with cognitive impulsivity deficits. However, few studies have examined longitudinal changes in cognition, and it remains unclear if deficits resolve during early recovery.Objectives: To compare: (1) cognitive function of individuals with MUD at treatment onset and six-weeks later with controls tested over the same period; (2) cognitive changes in MUD-individuals who remained abstinent versus relapsed.Method: We recruited 108 participants meeting DSM-IV-TR criteria for methamphetamine dependence (81 males) and 50 demographically matched controls (38 males); 77 methamphetamine- dependent participants (59 males) and 48 controls (36 males) were retained at follow-up. We administered response inhibition, delay discounting and uncertainty-based decision-making tests at both endpoints. Relapse was defined as methamphetamine concentrations >0.4 ng/mg at follow-up in hair toxicology.Results: We found a significant time-by-group interaction on uncertainty-based decision-making (effect size: η2 = .05), although post-hoc tests to disentangle this interaction yielded inconclusive results (p-range = .14-.40; BF10-range = 0.43-1.67). There were no significant time-by-group interactions on response inhibition or delay discounting, with the former likely a null effect (η2-interaction = .003 and .02; BFincl = 0.23 and 0.71). There were no significant differences in cognitive recovery between individuals who maintained abstinence (n = 12) versus relapsed (n = 65) (η2-range = .003-.04), although evidence was inconclusive toward whether findings reflected true null effects (BFincl-range = 0.33-0.75).Conclusion: We did not find evidence that MUD-related cognitive impulsivity deficits improve beyond practice effects over 6 weeks. Findings do not support previous, albeit conflicting, evidence of early recovery of cognitive deficits in MUD.
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Affiliation(s)
- Rebecca E Fitzpatrick
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Australia
| | - Alex H Robinson
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Australia
| | - Adam J Rubenis
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Australia.,Turning Point, Eastern Health, Monash University, Fitzroy, Australia
| | - Dan I Lubman
- Turning Point, Eastern Health, Monash University, Fitzroy, Australia.,Eastern Health Clinical School, Monash University, Fitzroy, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Australia.,Turning Point, Eastern Health, Monash University, Fitzroy, Australia
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Romei A, Voigt K, Verdejo-Garcia A. A Perspective on Candidate Neural Underpinnings of Binge Eating Disorder: Reward and Homeostatic Systems. Curr Pharm Des 2020; 26:2327-2333. [PMID: 32148192 DOI: 10.2174/1381612826666200309152321] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 02/12/2020] [Indexed: 01/13/2023]
Abstract
People with Binge Eating Disorder (BED) exhibit heightened sensitivity to rewarding stimuli and elevated activity in reward-related brain regions, including the orbitofrontal cortex (OFC), ventral striatum (VS) and insula, during food-cue exposure. BED has also been associated with altered patterns of functional connectivity during resting-state. Investigating neural connectivity in the absence of task stimuli provides knowledge about baseline communication patterns that may influence the behavioural and cognitive manifestation of BED. Elevated resting-state functional connectivity (rsFC) between reward-related brain regions may contribute to uncontrolled eating bouts observed in BED, through heightened food-cue sensitivity and food-craving. The impact of homeostatic state on rsFC of the reward system has not yet been investigated in people with BED. Homeostatic dysfunction is a key driver of excessive food consumption in obesity, whereby rsFC between rewardrelated brain regions does not attenuate during satiety. Future studies should investigate BED related differences in rsFC within the reward system during hunger and satiety, in order to determine whether individuals with BED display an abnormal neural response to changes in homeostatic state. This knowledge would further enhance current understandings of the mechanisms contributing to BED, potentially implicating both reward and homeostatic dysfunctions as drivers of BED.
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Affiliation(s)
- Amelia Romei
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria 3800, Australia
| | - Katharina Voigt
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria 3800, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Victoria 3800, Australia
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Ekhtiari H, Verdejo-Garcia A, Moeller SJ, Zare-Bidoky M, Baldacchino AM, Paulus M. Editorial: Brain and Cognition for Addiction Medicine: From Prevention to Recovery. Front Psychiatry 2020; 11:590030. [PMID: 33329140 PMCID: PMC7732613 DOI: 10.3389/fpsyt.2020.590030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/22/2020] [Indexed: 12/02/2022] Open
Affiliation(s)
- Hamed Ekhtiari
- Laureate Institute for Brain Research, Tulsa, OK, United States
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Scott J. Moeller
- Department of Psychiatry, Stony Brook Medicine, Stony Brook, NY, United States
| | - Mehran Zare-Bidoky
- School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Martin Paulus
- Laureate Institute for Brain Research, Tulsa, OK, United States
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Verdejo-Garcia A, Crossin R. Nutritional and metabolic alterations arising from stimulant use: A targeted review of an emerging field. Neurosci Biobehav Rev 2020; 120:303-306. [PMID: 33188822 DOI: 10.1016/j.neubiorev.2020.11.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 10/29/2020] [Accepted: 11/01/2020] [Indexed: 02/07/2023]
Abstract
People with stimulant use disorders are usually underweight. Current accepted knowledge is that they are skinny because stimulants suppress appetite - they eat less. But is it that simple? Here we review the relationship between stimulant use, food intake, metabolism and body weight, and highlight key points that may challenge current knowledge: 1) Stimulants interact with the hormonal signals that regulate appetite including ghrelin and leptin, and can produce long-term alterations in the ability to monitor and compensate energy deficits. 2) The diet of people with stimulant use disorders might be characterised by altered nutritional geometry, rather than overall reduction of food intake. 3) Long-term changes in homeostatic signals and nutrient intake can produce metabolic deficits that contribute to unhealthy low weight. Based on this knowledge we advocate for increasing awareness about the nuances of stimulant-related nutritional and metabolic deficits among addiction clinicians, and increased research on the interaction between stimulant use, appetite signaling, and metabolic deficits.
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Affiliation(s)
| | - Rose Crossin
- Department of Population Health, University of Otago, New Zealand; Florey Institute of Neuroscience and Mental Health, Australia
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Burrows T, Verdejo-Garcia A, Carter A, Brown RM, Andrews ZB, Dayas CV, Hardman CA, Loxton N, Sumithran P, Whatnall M. Health Professionals' and Health Professional Trainees' Views on Addictive Eating Behaviours: A Cross-Sectional Survey. Nutrients 2020; 12:nu12092860. [PMID: 32962008 PMCID: PMC7551788 DOI: 10.3390/nu12092860] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/08/2020] [Accepted: 09/17/2020] [Indexed: 02/07/2023] Open
Abstract
Despite increasing research on the concept of addictive eating, there is currently no published evidence on the views of health professionals who potentially consult with patients presenting with addictive eating behaviours, or of students training to become health professionals. This study aimed to explore the views and understanding of addictive eating behaviours among health professionals and health professionals in training and to identify potential gaps in professional development training. An international online cross-sectional survey was conducted in February–April 2020. The survey (70 questions, 6 key areas) assessed participants’ opinions and clinical experience of addictive eating; opinions on control, responsibility, and stigma relating to addictive eating; and knowledge of addictive eating and opinions on professional development training. In total, 142 health professionals and 33 health professionals in training completed the survey (mean age 38.1 ± 12.5 years, 65% from Australia/16% from the U.K.) Of the health professionals, 47% were dietitians and 16% were psychologists. Most participants (n = 126, 72%) reported that they have been asked by individuals about addictive eating. Half of the participants reported that they consider the term food addiction to be stigmatising for individuals (n = 88). Sixty percent (n = 105) reported that they were interested/very interested in receiving addictive eating training, with the top two preferred formats being online and self-paced, and face-to-face. These results demonstrate that addictive eating is supported by health professionals as they consult with patients presenting with this behaviour, which supports the views of the general community and demonstrates a need for health professional training.
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Affiliation(s)
- Tracy Burrows
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia;
- School of Health Sciences, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW 2308, Australia
- Correspondence:
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia; (A.V.-G.); (A.C.)
| | - Adrian Carter
- Turner Institute for Brain and Mental Health, Monash University, Clayton, VIC 3800, Australia; (A.V.-G.); (A.C.)
| | - Robyn M. Brown
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia; (R.M.B.); (Z.B.A.)
| | - Zane B. Andrews
- Florey Institute of Neuroscience and Mental Health, University of Melbourne, Parkville, VIC 3052, Australia; (R.M.B.); (Z.B.A.)
- Monash Biomedicine Discovery Institute and Department of Physiology, Monash University, Clayton, VIC 3800, Australia
| | - Chris V. Dayas
- School of Biomedical Sciences & Pharmacy, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW 2308, Australia;
- Hunter Medical Research Institute (HMRI), New Lambton Heights, NSW 2305, Australia
| | - Charlotte A. Hardman
- Department of Psychology, Institute of Population Health, University of Liverpool, Liverpool L69 7ZA, UK;
| | - Natalie Loxton
- School of Applied Psychology, Griffith University, Brisbane, QLD 4122, Australia;
- Centre for Youth Substance Abuse Research, University of Queensland, Brisbane, QLD 4072, Australia
| | - Priya Sumithran
- Department of Medicine (Austin), University of Melbourne, Heidelberg, VIC 3084, Australia;
- Department of Endocrinology, Austin Health, Heidelberg Heights, VIC 3081, Australia
| | - Megan Whatnall
- Priority Research Centre for Physical Activity and Nutrition, University of Newcastle, Callaghan, NSW 2308, Australia;
- School of Health Sciences, Faculty of Health and Medicine, University of Newcastle, Callaghan, NSW 2308, Australia
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Fontenelle LF, Oldenhof E, Eduarda Moreira-de-Oliveira M, Abramowitz JS, Antony MM, Cath D, Carter A, Dougherty D, Ferrão YA, Figee M, Harrison BJ, Hoexter M, Soo Kwon J, Küelz A, Lazaro L, Lochner C, Marazziti D, Mataix-Cols D, McKay D, Miguel EC, Morein-Zamir S, Moritz S, Nestadt G, O'Connor K, Pallanti S, Purdon C, Rauch S, Richter P, Rotge JY, Shavitt RG, Soriano-Mas C, Starcevic V, Stein DJ, Steketee G, Storch EA, Taylor S, van den Heuvel OA, Veale D, Woods DW, Verdejo-Garcia A, Yücel M. A transdiagnostic perspective of constructs underlying obsessive-compulsive and related disorders: An international Delphi consensus study. Aust N Z J Psychiatry 2020; 54:719-731. [PMID: 32364439 DOI: 10.1177/0004867420912327] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
BACKGROUND The Research Domain Criteria seeks to bridge knowledge from neuroscience with clinical practice by promoting research into valid neurocognitive phenotypes and dimensions, irrespective of symptoms and diagnoses as currently conceptualized. While the Research Domain Criteria offers a vision of future research and practice, its 39 functional constructs need refinement to better target new phenotyping efforts. This study aimed to determine which Research Domain Criteria constructs are most relevant to understanding obsessive-compulsive and related disorders, based on a consensus between experts in the field of obsessive-compulsive and related disorders. METHODS Based on a modified Delphi method, 46 experts were recruited from Australia, Africa, Asia, Europe and the Americas. Over three rounds, experts had the opportunity to review their opinion in light of feedback from the previous round, which included how their response compared to other experts and a summary of comments given. RESULTS Thirty-four experts completed round one, of whom 28 (82%) completed round two and 24 (71%) completed round three. At the final round, four constructs were endorsed by ⩾75% of experts as 'primary constructs' and therefore central to understanding obsessive-compulsive and related disorders. Of these constructs, one came from the Positive Valence System (Habit), two from the Cognitive Control System (Response Selection/Inhibition and Performance Monitoring) and the final construct was an additional item suggested by experts (Compulsivity). CONCLUSION This study identified four Research Domain Criteria constructs that, according to experts, cut across different obsessive-compulsive and related disorders. These constructs represent key areas for future investigation, and may have potential implications for clinical practice in terms of diagnostic processes and therapeutic management of obsessive-compulsive and related disorders.
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Affiliation(s)
- Leonardo F Fontenelle
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, VIC, Australia.,D'Or Institute for Research and Education, D'Or São Luiz Network, Rio de Janeiro, Brazil.,Obsessive, Compulsive, and Anxiety Spectrum Research Program, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Erin Oldenhof
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, VIC, Australia
| | - Maria Eduarda Moreira-de-Oliveira
- D'Or Institute for Research and Education, D'Or São Luiz Network, Rio de Janeiro, Brazil.,Obsessive, Compulsive, and Anxiety Spectrum Research Program, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jonathan S Abramowitz
- Department of Psychology and Neuroscience, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Martin M Antony
- Department of Psychology, Ryerson University, Toronto, ON, Canada
| | - Danielle Cath
- RGOc and Department of Psychiatry, Rijksuniversity Groningen, UMC Groningen, Groningen, The Netherlands.,Department of Specialized Trainings, Mental Health Services Drenthe, Assen, The Netherlands
| | - Adrian Carter
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, VIC, Australia
| | - Darin Dougherty
- Division of Neurotherapeutics, Massachusetts General Hospital, Boston, MA, USA.,Obsessive-Compulsive Disorder Institute, McLean Hospital, Belmont, MA, USA.,Obsessive-Compulsive and Related Disorders Program, Massachusetts General Hospital, Boston, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Ygor A Ferrão
- Department of Psychiatry, Federal University of Health Sciences of Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Martijn Figee
- Department of Psychiatry, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands.,Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Ben J Harrison
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia
| | - Marcelo Hoexter
- Department of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Jun Soo Kwon
- Department of Psychiatry, College of Medicine, Seoul National University, Seoul, Korea
| | - Anne Küelz
- Department of Psychiatry and Psychotherapy, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Luísa Lazaro
- Department of Child and Adolescent Psychiatry and Psychology, Hospital Clinic of Barcelona, IDIBAPS, CIBERSAM, University of Barcelona, Barcelona, Spain
| | - Christine Lochner
- SU/UCT MRC Unit on Risk and Resilience in Mental Disorders, Department of Psychiatry, Stellenbosch University, Stellenbosch, South Africa
| | - Donatella Marazziti
- Dipartimento di Medicina Clinica e Sperimentale, Section of Psychiatry, University of Pisa, Pisa, Italy
| | - David Mataix-Cols
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Dean McKay
- Department of Psychology, Fordham University, Bronx, NY, USA
| | - Euripedes C Miguel
- Department of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Sharon Morein-Zamir
- School of Psychology and Sports Science, Anglia Ruskin University, Cambridge, UK
| | - Steffen Moritz
- Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Gerald Nestadt
- Department of Psychiatry and Behavioral Sciences, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Kieron O'Connor
- Research Center of the Montreal University Institute of Mental Health, University of Montreal, Montreal, QC, Canada
| | - Stefano Pallanti
- Department of Psychiatry and Behavioral Sciences, Stanford University Medical Center, Stanford, CA, USA.,Institute of Neuroscience, University of Florence, Florence, Italy
| | - Christine Purdon
- Department of Psychology, University of Waterloo, Waterloo, ON, Canada
| | - Scott Rauch
- Obsessive-Compulsive Disorder Institute, McLean Hospital, Belmont, MA, USA.,Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Peggy Richter
- Anxiety Disorders Centre, Sunnybrook Health Care Sciences, Toronto, Canada and Department of Psychiatry, University of Toronto, Toronto, Canada
| | - Jean-Yves Rotge
- Inserm U 1127, CNRS UMR 7225, Department of Psychiatry, Institut du Cerveau et de la Moelle, ICM-A-IHU, Sorbonne Université, AP-HP, Paris, France
| | - Roseli G Shavitt
- Department of Psychiatry, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Carles Soriano-Mas
- Department of Psychiatry and Department of Psychobiology and Methodology of Health Sciences, Bellvitge Biomedical Research Institute-IDIBELL, Mental Health Networking Biomedical Research Centre (CIBERSAM) and Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Vladan Starcevic
- Department of Psychiatry, Nepean Hospital, Faculty of Medicine and Health, Sydney Medical School, Nepean Clinical School, The University of Sydney, Sydney, NSW, Australia
| | - Dan J Stein
- Department of Psychiatry and MRC Unit on Risk & Resilience in Mental Disorders, University of Cape Town, Cape Town, South Africa
| | - Gail Steketee
- School of Social Work, Boston University, Boston, USA
| | - Eric A Storch
- Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TC, USA
| | - Steven Taylor
- Department of Psychiatry, The University of British Columbia, Vancouver, BC, Canada
| | - Odile A van den Heuvel
- Department of Psychiatry and Department of Anatomy & Neurosciences, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit, Amsterdam, The Netherlands.,Bergen Center for Brain Plasticity, Haukeland University Hospital, Bergen, Norway
| | - David Veale
- South London and Maudsley NHS Foundation Trust, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Douglas W Woods
- Department of Psychological and Brain Sciences, Texas A&M University, College Station, TX, USA.,Department of Psychology, Marquette University, Milwaukee, WI, USA
| | - Antonio Verdejo-Garcia
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, VIC, Australia
| | - Murat Yücel
- Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, VIC, Australia
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Hanegraaf L, Arunogiri S, Hohwy J, Verdejo-Garcia A. Dysfunctional personality beliefs and emotion recognition in individuals with methamphetamine dependence. Addict Behav 2020; 105:106336. [PMID: 32062338 DOI: 10.1016/j.addbeh.2020.106336] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 01/17/2020] [Accepted: 02/03/2020] [Indexed: 10/25/2022]
Abstract
Previous studies have demonstrated that individuals with methamphetamine dependence have impaired emotion recognition. However, heterogeneity in results from these studies may indicate that individual factors such as personality beliefs moderate emotion recognition deficits. Thus, we aimed to examine the relationship between dimensional estimates of dysfunctional personality beliefs and facial emotion recognition in 86 Australian treatment seekers with methamphetamine dependence. Dysfunctional beliefs were measured using the Personality Beliefs Questionnaire, and emotion recognition was measured with the Ekman's Faces Test. We applied hierarchical regression analyses to test the relationship between beliefs and emotion recognition after accounting for the effects of intelligence. Results indicated that personality beliefs reflecting antisocial and paranoid schemas together accounted for a significant increase in the variance in fear recognition (higher levels of beliefs associated with poorer fear recognition). Further, high levels of passive-aggressive personality beliefs were associated with a tendency to misclassify faces as disgust. Our findings suggest that antisocial, paranoid, and passive-aggressive dysfunctional personality beliefs may underlie inter-individual differences in emotion recognition in methamphetamine dependent individuals. Additional research is required to better understand the relationship between personality and social processing biases, and investigate the direct impact these have on the significant psychosocial impairments present in individuals with methamphetamine dependence.
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Abstract
In this targeted review, we summarize current knowledge on substance-use disorder
(SUD)-related cognitive deficits, the link between these deficits and clinical outcomes,
and the cognitive training, remediation, and pharmacological approaches that have the
potential to rescue cognition. We conclude that: (i) people with SUDs have moderate
deficits in memory, attention, executive functions, and decision-making (including
reward expectancy, valuation, and learning); (ii) deficits in higher-order executive
functions and decision-making are significant predictors of relapse; (iii) cognitive
training programs targeting reward-related appetitive biases, cognitive remediation
strategies targeting goal-based decision-making, and pharmacotherapies targeting memory,
attention, and impulsivity have potential to rescue SUD-related cognitive deficits. We
suggest avenues for future research, including developing brief, clinically oriented
harmonized cognitive testing suites to improve individualized prediction of treatment
outcomes; computational modeling that can achieve deep phenotyping of cognitive subtypes
likely to respond to different interventions; and phenotype-targeted cognitive,
pharmacological, and combined interventions. We conclude with a tentative model of
neuroscience-informed precision medicine.
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Affiliation(s)
| | - Gloria Garcia-Fernandez
- Turner Institute for Brain and Mental Health, Monash University, Melbourne, Australia; Department of Psychology, University of Oviedo, Spain
| | - Geert Dom
- Collaborative Antwerp Psychiatric Research Institute (CAPRI), Antwerp University (UA), Antwerp, Belgium
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Fitzpatrick RE, Rubenis AJ, Lubman DI, Verdejo-Garcia A. Cognitive deficits in methamphetamine addiction: Independent contributions of dependence and intelligence. Drug Alcohol Depend 2020; 209:107891. [PMID: 32061948 DOI: 10.1016/j.drugalcdep.2020.107891] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Methamphetamine's effects on brain function have been associated with cognitive deficits, which have a negative impact on clinical outcomes. However, it remains unclear if cognitive deficits relate to methamphetamine dependence (potentially amenable to abstinence and retraining) or background characteristics, mental health and other drug use. We tested the association between methamphetamine dependence and cognitive performance, while factoring in the impact of background characteristics, depressive symptoms and tobacco, alcohol and cannabis use. METHOD The sample comprised 108 treatment-seeking participants who met the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV TR) criteria for methamphetamine dependence and 50 socio-demographically matched controls. We administered a comprehensive neuropsychological test battery (delay discounting, decision making, disinhibition, episodic and working memory) and examined cognitive deficits in methamphetamine users after taking into account socio-demographic characteristics, tobacco, alcohol and cannabis use, and depressive symptoms. RESULTS Hierarchical multiple regression analyses showed that methamphetamine dependence was associated with poorer performance in decision-making and disinhibition over and above other predictors, while IQ better explained performance in episodic and working memory. Although duration of methamphetamine use was linked to disinhibition, other patterns of methamphetamine use (including dose and frequency) were not consistently related to performance. CONCLUSIONS Methamphetamine dependence impacts inhibitory control and decision-making, whereas lower IQ associates with memory/working memory deficits among methamphetamine users. Findings suggest the need to target disinhibition and impulsive decision-making as part of methamphetamine dependence treatment, while buffering the impact of IQ on memory systems.
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Affiliation(s)
- Rebecca E Fitzpatrick
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, 3800, Australia
| | - Adam J Rubenis
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, 3800, Australia; Turning Point, Eastern Health Australia
| | - Dan I Lubman
- Turning Point, Eastern Health Australia; Eastern Health Clinical School, Monash University, Fitzroy, Victoria, 3065, Australia
| | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Clayton, Victoria, 3800, Australia; Turning Point, Eastern Health Australia.
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Irizar P, Albein-Urios N, Martínez-González JM, Verdejo-Garcia A, Lorenzetti V. Unpacking common and distinct neuroanatomical alterations in cocaine dependent versus pathological gambling. Eur Neuropsychopharmacol 2020; 33:81-88. [PMID: 32088112 DOI: 10.1016/j.euroneuro.2020.01.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 12/30/2019] [Accepted: 01/31/2020] [Indexed: 01/09/2023]
Abstract
Pathological gambling and cocaine dependence are highly pervasive disorders. Functional neuroimaging evidence implicates aberrant activity of prefrontal striatal pathways in both disorders. It is unclear if the neuroanatomy of these areas is also affected. Participants with pathological gambling (n = 18), cocaine dependence (n = 19) and controls (n = 21) underwent high-resolution structural MRI scan and cognitive assessments. In line with emerging functional neuroimaging findings, we hypothesised (i) lower volumes of corticostriatal areas ascribed to decision-making/inhibitory control, craving and reward processing (i.e., orbitofrontal cortex, inferior frontal gyrus, amygdala, striatum, insula) in both pathological gamblers and cocaine dependent participants versus controls; (ii) selected dopaminergic/glutamatergic pathways directly taxed by cocaine (i.e., superior, dorsolateral and anterior cingulate cortices) would be altered in cocaine dependent versus control participants only. Analyses were conducted with a bonferroni correction. Our results showed that both pathological gambling and cocaine dependent participants, compared to controls, had larger volumes of the right inferior frontal gyrus (ps <.01, ds = 0.66 and 0.62). Cocaine dependent participants had lower nucleus accumbens and medial orbitofrontal cortex volumes than pathological gamblers (ps <.05, ds = 0.51 and 0.72), with the latter being predicted by higher negative urgency scores. Inferior frontal gyrus volume may reflect common alterations of cocaine and gambling addictions, whereas cocaine dependence may be uniquely associated with reduced volume in dorsolateral and middle frontal regions. Cocaine's supra-physiological effects on mesolimbic neurons may explain reduced accumbens-orbitofrontal structure compared to gambling.
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Affiliation(s)
- Patricia Irizar
- Department of Psychological Sciences, Institute of Psychology Health and Society, the University of Liverpool, United Kingdom
| | - Natalia Albein-Urios
- Cognitive Neuroscience Unit, School of Psychology, Deakin University, Geelong, Victoria, Australia
| | | | - Antonio Verdejo-Garcia
- School of Psychology, Monash Institute of Cognitive and Clinical Neurosciences, Monash University, Victoria, Australia
| | - Valentina Lorenzetti
- School of Behavioural & Health Sciences, Faculty of Health Sciences, Australian Catholic University, Victoria, Australia.
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48
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Verdejo-Garcia A, Winstanley C. Editorial overview. Curr Opin Behav Sci 2020. [DOI: 10.1016/j.cobeha.2020.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lorenzetti V, Chye Y, Suo C, Walterfang M, Lubman DI, Takagi M, Whittle S, Verdejo-Garcia A, Cousijn J, Pantelis C, Seal M, Fornito A, Yücel M, Solowij N. Neuroanatomical alterations in people with high and low cannabis dependence. Aust N Z J Psychiatry 2020; 54:68-75. [PMID: 31298035 DOI: 10.1177/0004867419859077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES We aimed to investigate whether severity of cannabis dependence is associated with the neuroanatomy of key brain regions of the stress and reward brain circuits. METHODS To examine dependence-specific regional brain alterations, we compared the volumes of regions relevant to reward and stress, between high-dependence cannabis users (CD+, n = 25), low-dependence cannabis users (CD-, n = 20) and controls (n = 37). RESULTS Compared to CD- and/or controls, the CD+ group had lower cerebellar white matter and hippocampal volumes, and deflation of the right hippocampus head and tail. CONCLUSION These findings provide initial support for neuroadaptations involving stress and reward circuits that are specific to high-dependence cannabis users.
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Affiliation(s)
- Valentina Lorenzetti
- School of Behavioural and Health Sciences, Faculty of Health Sciences, Australian Catholic University, Fitzroy, VIC, Australia.,Department of Psychological Sciences, Institute of Psychology Health and Society, University of Liverpool, Liverpool, UK
| | - Yann Chye
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Chao Suo
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Mark Walterfang
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne.,Neuropsychiatry Unit, Royal Melbourne Hospital, Australia
| | - Dan I Lubman
- Turning Point, Eastern Health and Eastern Health Clinical School, Monash University, Melbourne, VIC Australia
| | - Michael Takagi
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - Sarah Whittle
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia
| | - Antonio Verdejo-Garcia
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Janna Cousijn
- Department of Developmental Psychology, University of Amsterdam, Amsterdam, The Netherlands
| | - Christos Pantelis
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, VIC, Australia.,Florey Institute of Neuroscience and Mental Health, The University of Melbourne
| | - Marc Seal
- Murdoch Children's Research Institute, Parkville, VIC, Australia
| | - Alex Fornito
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Murat Yücel
- Brain Mind and Society Research Hub, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Nadia Solowij
- School of Psychology and Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia
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50
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Adelantado-Renau M, Esteban-Cornejo I, Rodriguez-Ayllon M, Cadenas-Sanchez C, Gil-Cosano JJ, Mora-Gonzalez J, Solis-Urra P, Verdejo-Román J, Aguilera CM, Escolano-Margarit MV, Verdejo-Garcia A, Catena A, Moliner-Urdiales D, Ortega FB. Inflammatory biomarkers and brain health indicators in children with overweight and obesity: The ActiveBrains project. Brain Behav Immun 2019; 81:588-597. [PMID: 31330300 DOI: 10.1016/j.bbi.2019.07.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 07/15/2019] [Accepted: 07/18/2019] [Indexed: 12/25/2022] Open
Abstract
INTRODUCTION Chronic inflammation plays an important role on the pathogenesis of several cardiovascular and metabolic diseases, as well as on brain function and behaviour. The aim of the present study was to examine the associations between inflammatory biomarkers and a wide range of brain health indicators (i.e., academic performance, executive function, behavioural and emotional functioning, and brain volume) in children with overweight/obesity. METHODS A total of 107 children (10.0 ± 1.1 years, 41% girls) from the ActiveBrains project were included in the analysis. Five inflammatory biomarkers were analysed in plasma: white blood cell (WBC) count, interleukin-6 (IL-6), interleukin-1β, tumor necrosis factor-α (TNF-α), and C-reactive protein (CRP). Academic performance was assessed by Woodcock-Muñoz Tests of Achievement. Executive function was assessed through the Design Fluency Test for cognitive flexibility, the Stroop test for cognitive inhibition, and the Delayed Non-Match-to-Sample task for working memory. Behavioural and emotional functioning was evaluated through the Behavior Assessment System for Children (BASC) questionnaire. Total and regional brain volume was assessed by magnetic resonance imaging. RESULTS IL-6 was inversely associated with adaptive skills (β = -0.228; p = 0.030), while TNF-α was related to mathematics (β = -0.198; p = 0.034). In addition, CRP was positively associated with externalizing (β = 0.246; p = 0.046) and internalizing problems (β = 0.234; p = 0.039), as well as the behavioural symptoms index (β = 0.236; p = 0.047). However, these significant associations disappeared after multiple comparisons correction. Inflammatory biomarkers were not associated with executive function and total brain volumes. Regarding regional brain analyses, WBC was positively associated with gray matter volume in the left middle temporal gyrus (β = 0.387; p < 0.001, k = 44), and CRP was positively associated with gray matter volume in the right superior temporal gyrus (β = 0.439; p < 0.001, k = 29). Additionally, when adjusting by total brain volume, CRP was positively associated with gray matter volume in the right supplementary motor cortex (β = 0.453; p < 0.001, k = 51). Moreover, both, IL-6 (β = 0.366; p < 0.001, k = 81) and TNF-α (β = 0.368; p < 0.001, k = 62) were positively associated with white matter volume around the right inferior frontal gyrus pars opercularis, while CRP was inversely associated with white matter volume around the left superior frontal gyrus (β = -0.482; p < 0.001, k = 82). After adjusting by total brain volume, CRP was also inversely associated with white matter volume in 3 additional clusters (β ranging from -0.473 to -0.404; p < 0.001, k = 87). CONCLUSIONS Inflammation was slightly associated with brain health (i.e., academic performance, behavioural and emotional functioning and regional brain volume) in children with overweight or obesity. Further larger longitudinal and interventional studies are warranted to elucidate the short-term and long-term effect of systemic low-grade inflammation on children's brain health.
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Affiliation(s)
| | - Irene Esteban-Cornejo
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain; Center for Cognitive and Brain Health, Department of Psychology, Northeastern University, Boston, MA, USA
| | - María Rodriguez-Ayllon
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Cristina Cadenas-Sanchez
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Jose Juan Gil-Cosano
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Jose Mora-Gonzalez
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Patricio Solis-Urra
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain; IRyS Research Group, School of Physical Education, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Juan Verdejo-Román
- Laboratory of Cognitive and Computational Neuroscience (UCM-UPM), Centre for Biomedical Technology (CTB), Madrid, Spain; Mind, Brain, and Behavior Research Center-CIMCYC, University of Granada, Granada, Spain
| | - Concepción M Aguilera
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Center for Biomedical Research, University of Granada, Granada, Spain; CIBER Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Madrid, Spain; Instituto de Investigación Biosanitaria ibs, Granada, Spain
| | | | - Antonio Verdejo-Garcia
- School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, VIC, Australia
| | - Andrés Catena
- Department of Experimental Psychology, Mind, Brain and Behavior Research Center (CIMCYC), University of Granada, Granada, Spain
| | | | - Francisco B Ortega
- PROFITH "PROmoting FITness and Health Through Physical Activity" Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain; Department of Biosciences and Nutrition, Karolinska Institutet, Huddinge, Sweden
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