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Lewis AF, Bohnenkamp R, Myers M, den Ouden DB, Fritz SL, Stewart JC. Effect of positive social comparative feedback on the resting state connectivity of dopaminergic neural pathways: A preliminary investigation. Neurobiol Learn Mem 2024; 212:107930. [PMID: 38692391 DOI: 10.1016/j.nlm.2024.107930] [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: 10/16/2023] [Revised: 04/17/2024] [Accepted: 04/28/2024] [Indexed: 05/03/2024]
Abstract
Positive social comparative feedback is hypothesized to generate a dopamine response in the brain, similar to reward, by enhancing expectancies to support motor skill learning. However, no studies have utilized neuroimaging to examine this hypothesized dopaminergic mechanism. Therefore, the aim of this preliminary study was to investigate the effect of positive social comparative feedback on dopaminergic neural pathways measured by resting state connectivity. Thirty individuals practiced an implicit, motor sequence learning task and were assigned to groups that differed in feedback type. One group received feedback about their actual response time to complete the task (RT ONLY), while the other group received feedback about their response time with positive social comparison (RT + POS). Magnetic resonance imaging was acquired at the beginning and end of repetitive motor practice with feedback to measure practice-dependent changes in resting state brain connectivity. While both groups showed improvements in task performance and increases in performance expectancies, ventral tegmental area and the left nucleus accumbens (mesolimbic dopamine pathway) resting state connectivity increased in the RT + POS group but not in the RT ONLY group. Instead, the RT ONLY group showed increased connectivity between ventral tegmental area and primary motor cortex. Positive social comparative feedback during practice of a motor sequence task may induce a dopaminergic response in the brain along the mesolimbic pathway. However, given that absence of effects on expectancies and motor learning, more robust and individualized approaches may be needed to provide beneficial psychological and behavioral effects.
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Affiliation(s)
- Allison F Lewis
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Rachel Bohnenkamp
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Makenzie Myers
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
| | - Dirk B den Ouden
- University of South Carolina, Department of Communication Sciences and Disorders, Columbia, SC, USA
| | - Stacy L Fritz
- University of South Carolina, Department of Exercise Science, Columbia, SC, USA
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Watson M, Chaves AR, Gebara A, Desforges M, Broomfield A, Landry N, Lemoyne A, Shim S, Drodge J, Cuda J, Kiaee N, Nasr Y, Carleton C, Daskalakis ZJ, Taylor R, Tuominen L, Brender R, Antochi R, McMurray L, Tremblay S. A naturalistic study comparing the efficacy of unilateral and bilateral sequential theta burst stimulation in treating major depression - the U-B-D study protocol. BMC Psychiatry 2023; 23:739. [PMID: 37817124 PMCID: PMC10566125 DOI: 10.1186/s12888-023-05243-4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/01/2023] [Indexed: 10/12/2023] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is a prevalent mental health condition affecting millions worldwide, leading to disability and reduced quality of life. MDD poses a global health priority due to its early onset and association with other disabling conditions. Available treatments for MDD exhibit varying effectiveness, and a substantial portion of individuals remain resistant to treatment. Repetitive transcranial magnetic stimulation (rTMS), applied to the left and/or right dorsolateral prefrontal cortex (DLPFC), is an alternative treatment strategy for those experiencing treatment-resistant MDD. The objective of this study is to investigate whether this newer form of rTMS, namely theta burst stimulation (TBS), when performed unilaterally or bilaterally, is efficacious in treatment-resistant MDD. METHODS In this naturalistic, randomized double-blinded non-inferiority trial, participants with a major depressive episode will be randomized to receive either unilateral (i.e., continuous TBS [cTBS] to the right and sham TBS to the left DLPFC) or bilateral sequential TBS (i.e., cTBS to the right and intermittent TBS [iTBS] to the left DLPFC) delivered 5 days a week for 4-6 weeks. Responders will move onto a 6-month flexible maintenance phase where TBS treatment will be delivered at a decreasing frequency depending on degree of symptom mitigation. Several clinical assessments and neuroimaging and neurophysiological biomarkers will be collected to investigate treatment response and potential associated biomarkers. A non-inferiority analysis will investigate whether bilateral sequential TBS is non-inferior to unilateral TBS and regression analyses will investigate biomarkers of treatment response. We expect to recruit a maximal of 256 participants. This trial is approved by the Research Ethics Board of The Royal's Institute of Mental Health Research (REB# 2,019,071) and will follow the Declaration of Helsinki. Findings will be published in peer-reviewed journals. DISCUSSION Comprehensive assessment of symptoms and neurophysiological biomarkers will contribute to understanding the differential efficacy of the tested treatment protocols, identifying biomarkers for treatment response, and shedding light into underlying mechanisms of TBS. Our findings will inform future clinical trials and aid in personalizing treatment selection and scheduling for individuals with MDD. TRIAL REGISTRATION The trial is registered on https://clinicaltrials.gov/ct2/home (#NCT04142996).
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Affiliation(s)
- Molly Watson
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
| | - Arthur R Chaves
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Faculty of Health Sciences, University of Ottawa, 125 University, Ottawa, ON, K1N6N5, Canada
| | - Abir Gebara
- School of Medicine, Stanford University, 300 Pasteur Drive, Stanford, CA, 94305, USA
| | - Manon Desforges
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Département de Psychoéducation Et Psychologie, Université du Québec en Outaouais, 283 Alexandre-Taché Boul, Gatineau, QC, J8X 3X7, Canada
| | - Antoinette Broomfield
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Noémie Landry
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Département de Psychoéducation Et Psychologie, Université du Québec en Outaouais, 283 Alexandre-Taché Boul, Gatineau, QC, J8X 3X7, Canada
| | - Alexandra Lemoyne
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Département de Psychoéducation Et Psychologie, Université du Québec en Outaouais, 283 Alexandre-Taché Boul, Gatineau, QC, J8X 3X7, Canada
| | - Stacey Shim
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Jessica Drodge
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Jennifer Cuda
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Nasim Kiaee
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
| | - Youssef Nasr
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Christophe Carleton
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Département de Psychoéducation Et Psychologie, Université du Québec en Outaouais, 283 Alexandre-Taché Boul, Gatineau, QC, J8X 3X7, Canada
| | - Zafiris J Daskalakis
- Department of Psychiatry, University California San Diego, 9500 Gilman Dr, La Jolla, CA, 92093, USA
| | - Reggie Taylor
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Department of Physics, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
| | - Lauri Tuominen
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
- Department of Psychiatry, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Ram Brender
- Department of Psychiatry, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Royal Ottawa Mental Health Centre, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Ruxandra Antochi
- Department of Psychiatry, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Royal Ottawa Mental Health Centre, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Lisa McMurray
- Department of Psychiatry, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Royal Ottawa Mental Health Centre, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada
| | - Sara Tremblay
- University of Ottawa Institute of Mental Health Research at The Royal, 1145 Carling Ave, Ottawa, ON, K1Z 7K4, Canada.
- Department of Neuroscience, Carleton University, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada.
- Département de Psychoéducation Et Psychologie, Université du Québec en Outaouais, 283 Alexandre-Taché Boul, Gatineau, QC, J8X 3X7, Canada.
- Department of Cellular and Molecular Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada.
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Nawaz H, Shah I, Ali S. The amygdala connectivity with depression and suicide ideation with suicide behavior: A meta-analysis of structural MRI, resting-state fMRI and task fMRI. Prog Neuropsychopharmacol Biol Psychiatry 2023; 124:110736. [PMID: 36842608 DOI: 10.1016/j.pnpbp.2023.110736] [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: 12/06/2022] [Revised: 02/11/2023] [Accepted: 02/21/2023] [Indexed: 02/26/2023]
Abstract
In recent decades, the primary intention of neuroscientists and psychiatrics is to evaluate the connectivity between brain regions and psychiatric disorders. The amygdala has central immersion in memory alliance, stress response, emotional perception, and automatic responses to emotional stimuli. This paper uses a meta-analysis approach to establish the relationship between structural resting state and functional amygdala connectivity with depression and suicide ideation with suicide behavior. In addition, this study explores the moderating effect of patients' demographic characteristics (gender and age) based on 30 studies. The results show that structural amygdala connectivity is positively related to the instability of depression, while for resting and task functional connectivity amygdala shows a significant negative connection with depression. Furthermore, the amygdala showed a partial activation for non-suicide self-injuries and suicide ideation. From structural and functional magnetic imaging, the current findings also support the moderating effect of the age of the participants on the amygdala connectivity with psychiatric conditions. Generally, amygdala connectivity with psychiatric disorders was not significantly moderate with the role of gender, however, this study enhances the existing hypothetical review articles and confirms the connectivity of the psychological condition with the amygdala region. It concludes that the amygdala plays a vital role in regulating and responding to emotions.
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Affiliation(s)
- Humma Nawaz
- Department of Statistics, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Ismail Shah
- Department of Statistics, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Sajid Ali
- Department of Statistics, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
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Wingrove J, Makaronidis J, Prados F, Kanber B, Yiannakas MC, Magee C, Castellazzi G, Grandjean L, Golay X, Tur C, Ciccarelli O, D'Angelo E, Gandini Wheeler-Kingshott CA, Batterham RL. Aberrant olfactory network functional connectivity in people with olfactory dysfunction following COVID-19 infection: an exploratory, observational study. EClinicalMedicine 2023; 58:101883. [PMID: 36883140 PMCID: PMC9980836 DOI: 10.1016/j.eclinm.2023.101883] [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: 10/03/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Olfactory impairments and anosmia from COVID-19 infection typically resolve within 2-4 weeks, although in some cases, symptoms persist longer. COVID-19-related anosmia is associated with olfactory bulb atrophy, however, the impact on cortical structures is relatively unknown, particularly in those with long-term symptoms. METHODS In this exploratory, observational study, we studied individuals who experienced COVID-19-related anosmia, with or without recovered sense of smell, and compared against individuals with no prior COVID-19 infection (confirmed by antibody testing, all vaccine naïve). MRI Imaging was carried out between the 15th July and 17th November 2020 at the Queen Square House Clinical Scanning Facility, UCL, United Kingdom. Using functional magnetic resonance imaging (fMRI) and structural imaging, we assessed differences in functional connectivity (FC) between olfactory regions, whole brain grey matter (GM) cerebral blood flow (CBF) and GM density. FINDINGS Individuals with anosmia showed increased FC between the left orbitofrontal cortex (OFC), visual association cortex and cerebellum and FC reductions between the right OFC and dorsal anterior cingulate cortex compared to those with no prior COVID-19 infection (p < 0.05, from whole brain statistical parametric map analysis). Individuals with anosmia also showed greater CBF in the left insula, hippocampus and ventral posterior cingulate when compared to those with resolved anosmia (p < 0.05, from whole brain statistical parametric map analysis). INTERPRETATION This work describes, for the first time to our knowledge, functional differences within olfactory areas and regions involved in sensory processing and cognitive functioning. This work identifies key areas for further research and potential target sites for therapeutic strategies. FUNDING This study was funded by the National Institute for Health and Care Research and supported by the Queen Square Scanner business case.
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Affiliation(s)
- Jed Wingrove
- Centre for Obesity Research, Department of Medicine, University College London, London, UK
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
| | - Janine Makaronidis
- Centre for Obesity Research, Department of Medicine, University College London, London, UK
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
| | - Ferran Prados
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
- Centre for Medical Image Computing, Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Baris Kanber
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
- Centre for Medical Image Computing, Department of Medical Physics and Biomedical Engineering, University College London, London, UK
| | - Marios C. Yiannakas
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Cormac Magee
- Centre for Obesity Research, Department of Medicine, University College London, London, UK
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
| | - Gloria Castellazzi
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
- Brain Connectivity Research Centre, IRCCS Mondino Foundation, Pavia, Italy
| | - Louis Grandjean
- Department of Infection, Immunity & Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK
| | - Xavier Golay
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
- Department of Brain Repair and Rehabilitation, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Carmen Tur
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Olga Ciccarelli
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Egidio D'Angelo
- Brain Connectivity Research Centre, IRCCS Mondino Foundation, Pavia, Italy
- Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | - Claudia A.M. Gandini Wheeler-Kingshott
- NMR Research Unit, Queen Square MS Centre, Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, London, UK
- Brain Connectivity Research Centre, IRCCS Mondino Foundation, Pavia, Italy
- Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy
| | - Rachel L. Batterham
- Centre for Obesity Research, Department of Medicine, University College London, London, UK
- National Institute for Health and Care Research, Biomedical Research Centre at UCLH and UCL, London, UK
- Corresponding author. Division of Medicine, University College London, Rayne Building, 5 University Street, London, WC1E 6JF, UK.
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Sommer WH, Canals S, Bifone A, Heilig M, Hyytiä P. From a systems view to spotting a hidden island: A narrative review implicating insula function in alcoholism. Neuropharmacology 2022; 209:108989. [PMID: 35217032 DOI: 10.1016/j.neuropharm.2022.108989] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/30/2022] [Accepted: 02/07/2022] [Indexed: 12/31/2022]
Abstract
Excessive use of alcohol promotes the development of alcohol addiction, but the understanding of how alcohol-induced brain alterations lead to addiction remains limited. To further this understanding, we adopted an unbiased discovery strategy based on the principles of systems medicine. We used functional magnetic resonance imaging data from patients and animal models of alcohol addiction-like behaviors, and developed mathematical models of the 'relapse-prone' network states to identify brain sites and functional networks that can be selectively targeted by therapeutic interventions. Our systems level, non-local, and largely unbiased analyses converged on a few well-defined brain regions, with the insula emerging as one of the most consistent finding across studies. In proof-of-concept experiments we were able to demonstrate that it is possible to guide network dynamics towards increased resilience in animals but an initial translation into a clinical trial targeting the insula failed. Here, in a narrative review, we summarize the key experiments, methodological developments and knowledge gained from this completed round of a discovery cycle moving from identification of 'relapse-prone' network states in humans and animals to target validation and intervention trial. Future concerted efforts are necessary to gain a deeper understanding of insula function a in a state-dependent, circuit-specific and cell population perspective, and to develop the means for insula-directed interventions, before therapeutic targeting of this structure may become possible.
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Affiliation(s)
- Wolfgang H Sommer
- Institute of Psychopharmacology, Central Institute of Mental Health, University of Heidelberg, Medical Faculty Mannheim, Bethania Hospital for Psychiatry, Psychosomatics, and Psychotherapy, Greifswald, Germany.
| | - Santiago Canals
- Instituto de Neurociencias, Consejo Superior de Investigaciones Científicas and Universidad Miguel Hernández, 03550, Sant Joan d'Alacant, Spain
| | - Angelo Bifone
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Istituto Italiano di Tecnologia, Center for Sustainable Future Technologies, Torino, Italy
| | - Markus Heilig
- Center for Social and Affective Neuroscience, Linköping University and Dept. of Psychiatry, Linköping Univ. Hospital, S-581 85, Linköping, Sweden
| | - Petri Hyytiä
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Finland
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Cernasov P, Walsh EC, Kinard JL, Kelley L, Phillips R, Pisoni A, Eisenlohr-Moul TA, Arnold M, Lowery SC, Ammirato M, Truong K, Nagy GA, Oliver JA, Haworth K, Smoski M, Dichter GS. Multilevel growth curve analyses of behavioral activation for anhedonia (BATA) and mindfulness-based cognitive therapy effects on anhedonia and resting-state functional connectivity: Interim results of a randomized trial ✰. J Affect Disord 2021; 292:161-171. [PMID: 34126308 PMCID: PMC8282772 DOI: 10.1016/j.jad.2021.05.054] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [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: 11/06/2020] [Revised: 05/03/2021] [Accepted: 05/23/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND The neural mechanisms associated with anhedonia treatment response are poorly understood. Additionally, no study has investigated changes in resting-state functional connectivity (rsFC) accompanying psychosocial treatment for anhedonia. METHODS We evaluated a novel psychotherapy, Behavioral Activation Therapy for Anhedonia (BATA, n = 38) relative to Mindfulness-Based Cognitive Therapy (MBCT, n = 35) in a medication-free, transdiagnostic, anhedonic sample in a parallel randomized controlled trial. Participants completed up to 15 sessions of therapy and up to four 7T MRI scans before, during, and after treatment (n = 185 scans). Growth curve models estimated change over time in anhedonia and in rsFC using average region-of-interest (ROI)-to-ROI connectivity within the default mode network (DMN), frontoparietal network (FPN), salience network, and reward network. Changes in rsFC from pre- to post-treatment were further evaluated using whole-network seed-to-voxel and ROI-to-ROI edgewise analyses. RESULTS Growth curve models showed significant reductions in anhedonia symptoms and in average rsFC within the DMN and FPN over time, across BATA and MBCT. There were no differences in anhedonia reductions between treatments. Within-person, changes in average rsFC were unrelated to changes in anhedonia. Between-person, higher than average FPN rsFC was related to less anhedonia across timepoints. Seed-to-voxel and edgewise rsFC analyses corroborated reductions within the DMN and between the DMN and FPN over time, across the sample. CONCLUSIONS Reductions in rsFC within the DMN, FPN, and between these networks co-occurred with anhedonia improvement across two psychosocial treatments for anhedonia. Future anhedonia clinical trials with a waitlist control group should disambiguate treatment versus time-related effects on rsFC.
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Affiliation(s)
- Paul Cernasov
- Department of Psychology and Neuroscience, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA
| | - Erin C. Walsh
- Department of Psychiatry, University of North Carolina-Chapel Hill, Chapel Hill, NC 57514, USA
| | - Jessica L. Kinard
- Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, Chapel Hill, NC 27510, USA., Division of Speech and Hearing Sciences, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA
| | - Lisalynn Kelley
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA
| | - Rachel Phillips
- Department of Psychology and Neuroscience, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA
| | - Angela Pisoni
- Department of Psychology and Neuroscience, Duke University, Durham, NC 27505, USA
| | - Tory A. Eisenlohr-Moul
- Department of Psychiatry, University of Illinois at Chicago, Neuropsychiatry Institute, Chicago, IL 60612, USA
| | - Macey Arnold
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA
| | - Sarah C. Lowery
- Department of Psychology and Neuroscience, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA
| | - Marcy Ammirato
- Department of Psychology and Neuroscience, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA
| | - Kinh Truong
- Department of Biostatistics, University of North Carolina-Chapel Hill, Chapel Hill, NC, 27514, USA
| | - Gabriela A. Nagy
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA., Duke University School of Nursing, 307 Trent Drive, Durham, NC 27710
| | - Jason A. Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA., Division of Cancer Control and Population Sciences, Duke Cancer Institute, Durham, NC 27705, USA
| | - Kevin Haworth
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA
| | - Moria Smoski
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27705, USA., Department of Psychology and Neuroscience, Duke University, Durham, NC 27505, USA
| | - Gabriel S. Dichter
- Department of Psychology and Neuroscience, University of North Carolina-Chapel Hill, Chapel Hill, NC 27514, USA., Department of Psychiatry, University of North Carolina-Chapel Hill, Chapel Hill, NC 57514, USA., Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, Chapel Hill, NC 27510, USA.,corresponding author
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7
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Swartz JR, Carranza AF, Tully LM, Knodt AR, Jiang J, Irwin MR, Hostinar CE. Associations between peripheral inflammation and resting state functional connectivity in adolescents. Brain Behav Immun 2021; 95:96-105. [PMID: 33631285 PMCID: PMC8241234 DOI: 10.1016/j.bbi.2021.02.018] [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] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 02/17/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022] Open
Abstract
Relatively little is known about associations between peripheral inflammation and neural function in humans. Neuroimaging studies in adults have suggested that elevated peripheral inflammatory markers are associated with altered resting state functional connectivity (rsFC) in several brain networks associated with mood and cognition. Few studies have examined these associations in adolescents, yet scarce data from adolescents point to different networks than adult studies. The current study examined the associations between peripheral inflammation and rsFC in a community sample of adolescents (n = 70; age, 12-15 years; 32 female, 36 male, 2 nonbinary). After blood sampling, an fMRI scan was performed to assess rsFC. Assay for serum inflammatory markers, including interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), and C-reactive protein (CRP), was performed. Results indicated that higher TNF-α was associated with altered rsFC between the right amygdala and left striatum and between the right inferior frontal gyrus and left parietal cortex (p < 0.05 whole-brain corrected). Associations with IL-6 and CRP were not significant. In contrast with findings in adults, inflammation may have unique links with the connectivity of the developing adolescent brain. Results have implications for understanding how peripheral inflammation may influence connectivity during adolescence, when neural networks are undergoing major developmental changes.
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Affiliation(s)
- Johnna R Swartz
- Department of Human Ecology, University of California, Davis, CA, United States.
| | - Angelica F Carranza
- Department of Human Ecology, University of California, Davis, CA, United States
| | - Laura M Tully
- Department of Psychiatry and Behavioral Sciences, University of California, Davis, CA, United States
| | - Annchen R Knodt
- Department of Psychology and Neuroscience, Duke University, Durham, NC, United States
| | - Janina Jiang
- Norman Cousins Center for Psychoneuroimmunology, University of California, Los Angeles, CA, United States
| | - Michael R Irwin
- Norman Cousins Center for Psychoneuroimmunology, University of California, Los Angeles, CA, United States; Jane and Terry Semel Institute for Neuroscience and Human Behavior and Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, University of California, Los Angeles, CA, United States
| | - Camelia E Hostinar
- Department of Psychology, University of California, Davis, CA, United States
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Lamichhane B, Jayasekera D, Jakes R, Glasser MF, Zhang J, Yang C, Grimes D, Frank TL, Ray WZ, Leuthardt EC, Hawasli AH. Multi-modal biomarkers of low back pain: A machine learning approach. Neuroimage Clin 2021; 29:102530. [PMID: 33338968 DOI: 10.1016/j.nicl.2020.102530] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/03/2020] [Accepted: 12/05/2020] [Indexed: 12/12/2022]
Abstract
Widespread differences in cortical thickness (CT) were observed in patients with low back pain. Changes in CT correlated with self-reported clinical scores of pain and emotion. Changes in resting state fMRI metrics of functional networks. Support vector machines separated low back pain patients from controls with a high performance. Multi-modal biomarkers can be useful when identifying personalized treatments for low back pain.
Chronic low back pain (LBP) is a very common health problem worldwide and a major cause of disability. Yet, the lack of quantifiable metrics on which to base clinical decisions leads to imprecise treatments, unnecessary surgery and reduced patient outcomes. Although, the focus of LBP has largely focused on the spine, the literature demonstrates a robust reorganization of the human brain in the setting of LBP. Brain neuroimaging holds promise for the discovery of biomarkers that will improve the treatment of chronic LBP. In this study, we report on morphological changes in cerebral cortical thickness (CT) and resting-state functional connectivity (rsFC) measures as potential brain biomarkers for LBP. Structural MRI scans, resting state functional MRI scans and self-reported clinical scores were collected from 24 LBP patients and 27 age-matched healthy controls (HC). The results suggest widespread differences in CT in LBP patients relative to HC. These differences in CT are correlated with self-reported clinical summary scores, the Physical Component Summary and Mental Component Summary scores. The primary visual, secondary visual and default mode networks showed significant age-corrected increases in connectivity with multiple networks in LBP patients. Cortical regions classified as hubs based on their eigenvector centrality (EC) showed differences in their topology within motor and visual processing regions. Finally, a support vector machine trained using CT to classify LBP subjects from HC achieved an average classification accuracy of 74.51%, AUC = 0.787 (95% CI: 0.66–0.91). The findings from this study suggest widespread changes in CT and rsFC in patients with LBP while a machine learning algorithm trained using CT can predict patient group. Taken together, these findings suggest that CT and rsFC may act as potential biomarkers for LBP to guide therapy.
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Newman SD, Cheng H, Kim DJ, Schnakenberg-Martin A, Dydak U, Dharmadhikari S, Hetrick W, O'Donnell B. An investigation of the relationship between glutamate and resting state connectivity in chronic cannabis users. Brain Imaging Behav 2020; 14:2062-2071. [PMID: 31302844 PMCID: PMC6955389 DOI: 10.1007/s11682-019-00165-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 12/20/2022]
Abstract
Human and animal studies have shown that heavy cannabis (CB) use interacts with glutamatergic signaling. Additionally, recent studies have suggested that glutamate (Glu) may drive resting state functional connectivity (RSfc). The aims of the current preliminary study were to: 1) determine whether dorsal anterior cingulate cortex (dACC) Glu is related to RSfc between the dACC and two nodes of the reward network, the nucleus accumbens (NAc) and hippocampus (Hp); and 2) determine whether CB use interacts with the relationship between dACC Glu and RSfc. A group of 23 chronic CB users and 23 healthy controls participated in this multimodal MRI study. Glu levels were assessed in the dACC using magnetic resonance spectroscopy (MRS). Linear regression models were used to determine whether dACC Glu and CB use predicts RSfc between the dACC and the NAc and Hp. While the effect size is small, the results showed that the connectivity between the dACC and right NAc was predicted by the interaction between dACC Glu levels and monthly CB use. Additionally, while there is some suggestion that dACC Glu is correlated with dACC-hippocampal connectivity, unlike for dACC/NAc connectivity the relationship between them does not appear to be affected by CB use. These preliminary findings are significant in that they demonstrate the need for future studies with larger sample sizes to better characterize the relationship between resting state connectivity and neurochemistry as well as to characterize how CB use interacts with that relationship.
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Affiliation(s)
- Sharlene D Newman
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA.
- Program in Neuroscience, Indiana University, Bloomington, IN, USA.
| | - Hu Cheng
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Dae-Jin Kim
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
| | | | - Ulrike Dydak
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Shalmali Dharmadhikari
- School of Health Sciences, Purdue University, West Lafayette, IN, USA
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, USA
| | - William Hetrick
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
| | - Brian O'Donnell
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, 47405, USA
- Program in Neuroscience, Indiana University, Bloomington, IN, USA
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Penadés R, Segura B, Inguanzo A, García-Rizo C, Catalán R, Masana G, Bernardo M, Junqué C. Cognitive remediation and brain connectivity: A resting-state fMRI study in patients with schizophrenia. Psychiatry Res Neuroimaging 2020; 303:111140. [PMID: 32693320 DOI: 10.1016/j.pscychresns.2020.111140] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 07/05/2020] [Accepted: 07/14/2020] [Indexed: 02/06/2023]
Abstract
Cognitive remediation is able to improve activation patterns in the frontal lobe but only few data on neuroconnectivity has been reported yet. Resting-state approach is a neuroimaging methodology with potentiality for testing neuroconnectivity in the context of cognitive remediation in schizophrenia. A resting-state fMRI data was acquired in part of the sample (n = 26 patients, n = 10 healthy controls) of a partner study (NCT02341131) testing the effects of cognitive remediation. A data-driven approach using independent component analysis (ICA) was used to identify functional brain networks, which were compared between groups and group per time using a dual-regression approach. ICA results revealed reduced functional connectivity between patients and controls in sensorimotor, basal ganglia, default mode and visual networks at baseline (p<0.05 FWE-corrected). After treatment, time per group analyses evidenced increased connectivity in sensorimotor network. Furthermore, group comparison at follow-up showed similar connectivity patterns between patients and healthy controls in sensorimotor network, but also in default mode and basal ganglia networks. No differences between treatment groups were found. Our results add some evidence to the hypothesis of altered connectivity in schizophrenia, and the possibility to modify some aspects of brain connectivity networks after psychological interventions.
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Affiliation(s)
- Rafael Penadés
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain.
| | - Bàrbara Segura
- Medical Psychology Unit, Department of Medicine. Institute of Neuroscience, University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic de Barcelona, Barcelona, Spain
| | - Anna Inguanzo
- Medical Psychology Unit, Department of Medicine. Institute of Neuroscience, University of Barcelona, Barcelona, Spain
| | - Clemente García-Rizo
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain
| | - Rosa Catalán
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain
| | - Guillem Masana
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain
| | - Miquel Bernardo
- Barcelona Clinic Schizophrenia Unit, Hospital Clinic Barcelona, University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Barcelona, Spain
| | - Carme Junqué
- Medical Psychology Unit, Department of Medicine. Institute of Neuroscience, University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Hospital Clínic de Barcelona, Barcelona, Spain; Institute of Biomedical Research August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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Ziegler TE, Kulkarni P, Ash H, Cai X, Elizabeth Mayerand M, Rauch B, Ferris CF. Novel imaging technology and procedures for studying brain function in preadolescent awake marmosets. J Neurosci Methods 2020; 343:108823. [PMID: 32580061 DOI: 10.1016/j.jneumeth.2020.108823] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/06/2020] [Accepted: 06/18/2020] [Indexed: 01/07/2023]
Abstract
BACKGROUND Novel imaging technology and procedures were developed to study brain function in preadolescent awake marmosets never exposed to anesthesia. METHODS A radiofrequency transmit and receive, head only volume coil was designed and integrated into a holding system. An acclimation procedure was developed without the use of anesthesia or sedation that allowed for awake imaging. Preadolescent 8-month old male and female marmosets were imaged for resting state BOLD functional connectivity to assess the status of the default mode network. Levels of reactivity during acclimation sessions and behavioral stress following imaging were assessed. RESULTS Data on functional coupling in the default mode network suggest the organization of connectivity to the prefrontal cortex is not fully developed at 8 months of age. The stress associated with the imaging procedure is comparable to that observed when marmosets are removed from their home cage and temporarily isolated from the family. COMPARISON TO OTHER METHODS The design of the radiofrequency coil provides B1 homogeneity across the entire brain without signal drop off. The unique design of the head cradle obviates the need for any stabilizing surgery, ear bars or bite bar and could be adapted to any size marmoset. The acclimation requires no anesthesia or sedation at any time in the early life of the developing marmoset, a condition that better reflects the human experience. CONCLUSION A method is provided for imaging functional activity in the brain of fully awake preadolescent marmosets without any history of anesthesia or sedation.
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Neal EG, Maciver S, Schoenberg MR, Vale FL. Surgical disconnection of epilepsy network correlates with improved outcomes. Seizure 2020; 76:56-63. [PMID: 32014727 DOI: 10.1016/j.seizure.2020.01.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 07/21/2019] [Revised: 01/15/2020] [Accepted: 01/27/2020] [Indexed: 02/02/2023] Open
Abstract
PURPOSE A novel software algorithm combining non-invasive EEG and resting state functional MRI data to map networks of cortex correlated to epileptogenic tissue was used to map an epilepsy network non-invasively. The relationship between epilepsy network connectivity and outcomes after surgery was investigated using this non-invasive and non-concurrent modeling algorithm. METHOD Scalp EEG and resting state functional MRI were acquired for nineteen patients with temporal lobe epilepsy. The hypothetical irritative zone was mapped, and resting state functional MRI data was used to model regions functionally correlated with the irritative zone. Epilepsy network connectivity was measured in patient with temporal lobe epilepsy (n = 19) both pre- and post-operatively. Temporal networks were also mapped in healthy control participants (n = 6). RESULTS Thirteen of nineteen patients (68 %) were seizure free after 20.3 ± 4.8 months. Epilepsy network connectivity within the temporal lobe was significantly higher among patients with temporal lobe epilepsy compared to the healthy control patients (p < 0.05). Disconnection of the epilepsy network was significantly higher in patients who were seizure free. Using spearman rho analyses, neuropsychological function after surgery was found to be relatively better in patients with higher degree of epilepsy network disconnection. CONCLUSIONS The magnitude of network disconnection after surgery was strongly associated with increased rates of seizure freedom and relatively better neuropsychological measures of memory and naming function. It was shown that seizure-free outcomes and relatively improved neuropsychological function correlated with surgical disconnection of a highly synchronous epilepsy network.
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Affiliation(s)
- Elliot G Neal
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, USA
| | - Stephanie Maciver
- Department of Neurology, University of South Florida, Tampa, FL, USA
| | - Mike R Schoenberg
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, USA; Department of Neurology, University of South Florida, Tampa, FL, USA
| | - Fernando L Vale
- Department of Neurosurgery, Medical College of Georgia, Augusta University, Augusta, GA, USA.
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Bossong MG, van Hell HH, Schubart CD, van Saane W, Iseger TA, Jager G, van Osch MJP, Jansma JM, Kahn RS, Boks MP, Ramsey NF. Acute effects of ∆9-tetrahydrocannabinol (THC) on resting state brain function and their modulation by COMT genotype. Eur Neuropsychopharmacol 2019; 29:766-776. [PMID: 30975584 DOI: 10.1016/j.euroneuro.2019.03.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 10/10/2018] [Revised: 01/30/2019] [Accepted: 03/22/2019] [Indexed: 01/07/2023]
Abstract
Cannabis produces a broad range of acute, dose-dependent psychotropic effects. Only a limited number of neuroimaging studies have mapped these effects by examining the impact of cannabis on resting state brain neurophysiology. Moreover, how genetic variation influences the acute effects of cannabis on resting state brain function is unknown. Here we investigated the acute effects of ∆9-tetrahydrocannabinol (THC), the main psychoactive constituent of cannabis, on resting state brain neurophysiology, and their modulation by catechol-methyl-transferase (COMT) Val158Met genotype. Thirty-nine healthy volunteers participated in a pharmacological MRI study, where we applied Arterial Spin Labelling (ASL) to measure perfusion and functional MRI to assess resting state connectivity. THC increased perfusion in bilateral insula, medial superior frontal cortex, and left middle orbital frontal gyrus. This latter brain area showed significantly decreased connectivity with the precuneus after THC administration. THC effects on perfusion in the left insula were significantly related to subjective changes in perception and relaxation. These findings indicate that THC enhances metabolism and thus neural activity in the salience network. Furthermore, results suggest that recruitment of brain areas within this network is involved in the acute effects of THC. Resting state perfusion was modulated by COMT genotype, indicated by a significant interaction effect between drug and genotype on perfusion in the executive network, with increased perfusion after THC in Val/Met heterozygotes only. This finding suggests that prefrontal dopamine levels are involved in the susceptibility to acute effects of cannabis.
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Affiliation(s)
- Matthijs G Bossong
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, 16 De Crespigny Park, London SE5 8AF, United Kingdom.
| | - Hendrika H van Hell
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Chris D Schubart
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Psychiatry, Tergooi Hospital, Van Riebeeckweg 212, 1213 XZ Hilversum, The Netherlands
| | - Wesley van Saane
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, 16 De Crespigny Park, London SE5 8AF, United Kingdom
| | - Tabitha A Iseger
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, 16 De Crespigny Park, London SE5 8AF, United Kingdom; Department of Experimental Psychology, Utrecht University, Heidelberglaan 1, 3584 CS Utrecht, The Netherlands; Research Institute Brainclinics, Bijleveldsingel 32, 6524 AD Nijmegen, The Netherlands
| | - Gerry Jager
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Division of Human Nutrition, Wageningen University, Bomenweg 2, 6703 HD, Wageningen, The Netherlands
| | - Matthias J P van Osch
- Department of Radiology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - J Martijn Jansma
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Neurosurgery, Elisabeth-TweeSteden Hospital, Tilburg, The Netherlands
| | - René S Kahn
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands; Department of Psychiatry, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1230, New York, NY 10029-6574, United States
| | - Marco P Boks
- Department of Psychiatry, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Nick F Ramsey
- Department of Neurology and Neurosurgery, Brain Center Rudolf Magnus, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
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Manning KY, Llera A, Dekaban GA, Bartha R, Barreira C, Brown A, Fischer L, Jevremovic T, Blackney K, Doherty TJ, Fraser DD, Holmes J, Beckmann CF, Menon RS. Linked MRI signatures of the brain's acute and persistent response to concussion in female varsity rugby players. Neuroimage Clin 2019; 21:101627. [PMID: 30528959 DOI: 10.1016/j.nicl.2018.101627] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 11/22/2018] [Accepted: 12/01/2018] [Indexed: 12/14/2022]
Abstract
Acute brain changes are expected after concussion, yet there is growing evidence of persistent abnormalities well beyond clinical recovery and clearance to return to play. Multiparametric MRI is a powerful approach to non-invasively study structure-function relationships in the brain, however it remains challenging to interpret the complex and heterogeneous cascade of brain changes that manifest after concussion. Emerging conjunctive, data-driven analysis approaches like linked independent component analysis can integrate structural and functional imaging data to produce linked components that describe the shared inter-subject variance across images. These linked components not only offer the potential of a more comprehensive understanding of the underlying neurobiology of concussion, but can also provide reliable information at the level of an individual athlete. In this study, we analyzed resting-state functional MRI (rs-fMRI) and diffusion tensor imaging (DTI) within a cohort of female varsity rugby players (n = 52) through the in- and off-season, including concussed athletes (n = 21) who were studied longitudinally at three days, three months and six months after a diagnosed concussion. Linked components representing co-varying white matter microstructure and functional network connectivity characterized (a) the brain's acute response to concussion and (b) persistent alterations beyond clinical recovery. Furthermore, we demonstrate that these long-term brain changes related to specific aspects of a concussion history and allowed us to monitor individual athletes before and longitudinally after a diagnosed concussion. Diffusion alterations were present acutely post-concussion and during the in-season. Linked variation of brain structure-function persisted 6-months after injury. Multiparametric signatures related to concussion history, even in healthy athletes.
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15
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Malivoire BL, Girard TA, Patel R, Monson CM. Functional connectivity of hippocampal subregions in PTSD: relations with symptoms. BMC Psychiatry 2018; 18:129. [PMID: 29764396 PMCID: PMC5952576 DOI: 10.1186/s12888-018-1716-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [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: 10/13/2017] [Accepted: 05/02/2018] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) is associated with abnormal hippocampal activity; however, the functional connectivity (FC) of the hippocampus with other brain regions in PTSD and its relations with symptoms warrants further attention. We investigated subregional hippocampal FC in PTSD during a resting state compared with a trauma-exposed control (TEC) group. Based on extant research, we targeted the FCs of the anterior and posterior hippocampal subregions with the amygdala, medial prefrontal cortex (mPFC), and the posterior cingulate (PCC). METHODS Resting-state functional magnetic resonance images were acquired from 11 individuals with PTSD and 13 trauma-exposed controls. Anterior and posterior hippocampal FC was compared between groups. Within the PTSD and TEC groups, subregional hippocampal FC was correlated with scores on the Clinician-Administered PTSD Scale (CAPS) at time of scan and 4 months post-scan. RESULTS Those with PTSD had significantly greater FC compared with the TEC group between the left posterior hippocampus and the bilateral PCC (g's > .96). Direct contrasts of the Fisher z-transformed coefficients indicated that the correlations between CAPS scores 4 months post scan and the FC between the left hippocampal head and the right PCC (z = - 2.07, p = .039) as well as the FC between the right hippocampal tail and the right mPFC (z = - 2.19, p = .029) were significantly greater in the PTSD group compared to the TEC group. CONCLUSIONS These results support between-group differences in posterior hippocampal FC and different relations with PTSD future symptoms, underscoring associations with the anterior and posterior hippocampus. These findings enrich our understanding of PTSD pathophysiology and provide support for future investigations of imaging biomarkers predictive of disease progression.
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Affiliation(s)
- Bailee L. Malivoire
- 0000 0004 1936 9422grid.68312.3eDepartment of Psychology, Ryerson University, 350 Victoria St, Toronto, ON M5B 2K3 Canada
| | - Todd A. Girard
- 0000 0004 1936 9422grid.68312.3eDepartment of Psychology, Ryerson University, 350 Victoria St, Toronto, ON M5B 2K3 Canada
| | - Ronak Patel
- 0000 0004 1936 9609grid.21613.37Department of Clinical Health Psychology, University of Manitoba, Winnipeg, MB Canada
| | - Candice M. Monson
- 0000 0004 1936 9422grid.68312.3eDepartment of Psychology, Ryerson University, 350 Victoria St, Toronto, ON M5B 2K3 Canada
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Marsland AL, Kuan DCH, Sheu LK, Krajina K, Kraynak TE, Manuck SB, Gianaros PJ. Systemic inflammation and resting state connectivity of the default mode network. Brain Behav Immun 2017; 62:162-170. [PMID: 28126500 PMCID: PMC5402695 DOI: 10.1016/j.bbi.2017.01.013] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [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: 06/29/2016] [Revised: 01/20/2017] [Accepted: 01/21/2017] [Indexed: 11/28/2022] Open
Abstract
The default mode network (DMN) encompasses brain systems that exhibit coherent neural activity at rest. DMN brain systems have been implicated in diverse social, cognitive, and affective processes, as well as risk for forms of dementia and psychiatric disorders that associate with systemic inflammation. Areas of the anterior cingulate cortex (ACC) and surrounding medial prefrontal cortex (mPFC) within the DMN have been implicated specifically in regulating autonomic and neuroendocrine processes that relate to systemic inflammation via bidirectional signaling mechanisms. However, it is still unclear whether indicators of inflammation relate directly to coherent resting state activity of the ACC, mPFC, or other areas within the DMN. Accordingly, we tested whether plasma interleukin (IL)-6, an indicator of systemic inflammation, covaried with resting-state functional connectivity of the DMN among 98 adults aged 30-54 (39% male; 81% Caucasian). Independent component analyses were applied to resting state fMRI data to generate DMN connectivity maps. Voxel-wise regression analyses were then used to test for associations between IL-6 and DMN connectivity across individuals, controlling for age, sex, body mass index, and fMRI signal motion. Within the DMN, IL-6 covaried positively with connectivity of the sub-genual ACC and negatively with a region of the dorsal medial PFC at corrected statistical thresholds. These novel findings offer evidence for a unique association between a marker of systemic inflammation (IL-6) and ACC and mPFC functional connectivity within the DMN, a network that may be important for linking aspects of immune function to psychological and behavioral states in health and disease.
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Affiliation(s)
- Anna L. Marsland
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Dora C-H. Kuan
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Lei K. Sheu
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Katarina Krajina
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Thomas E. Kraynak
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260,Center for the Neural Basis of Cognition, University of Pittsburgh and Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
| | - Stephen B. Manuck
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260
| | - Peter J. Gianaros
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania 15260,Center for the Neural Basis of Cognition, University of Pittsburgh and Carnegie Mellon University, Pittsburgh, Pennsylvania 15213
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Houck JM, Çetin MS, Mayer AR, Bustillo JR, Stephen J, Aine C, Cañive J, Perrone-Bizzozero N, Thoma RJ, Brookes MJ, Calhoun VD. Magnetoencephalographic and functional MRI connectomics in schizophrenia via intra- and inter-network connectivity. Neuroimage 2016; 145:96-106. [PMID: 27725313 DOI: 10.1016/j.neuroimage.2016.10.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [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: 04/02/2016] [Revised: 10/05/2016] [Accepted: 10/07/2016] [Indexed: 12/11/2022] Open
Abstract
Examination of intrinsic functional connectivity using functional MRI (fMRI) has provided important findings regarding dysconnectivity in schizophrenia. Extending these results using a complementary neuroimaging modality, magnetoencephalography (MEG), we present the first direct comparison of functional connectivity between schizophrenia patients and controls, using these two modalities combined. We developed a novel MEG approach for estimation of networks using MEG that incorporates spatial independent component analysis (ICA) and pairwise correlations between independent component timecourses, to estimate intra- and intern-network connectivity. This analysis enables group-level inference and testing of between-group differences. Resting state MEG and fMRI data were acquired from a large sample of healthy controls (n=45) and schizophrenia patients (n=46). Group spatial ICA was performed on fMRI and MEG data to extract intrinsic fMRI and MEG networks and to compensate for signal leakage in MEG. Similar, but not identical spatial independent components were detected for MEG and fMRI. Analysis of functional network connectivity (FNC; i.e., pairwise correlations in network (ICA component) timecourses) revealed a differential between-modalities pattern, with greater connectivity among occipital networks in fMRI and among frontal networks in MEG. Most importantly, significant differences between controls and patients were observed in both modalities. MEG FNC results in particular indicated dysfunctional hyperconnectivity within frontal and temporal networks in patients, while in fMRI FNC was always greater for controls than for patients. This is the first study to apply group spatial ICA as an approach to leakage correction, and as such our results may be biased by spatial leakage effects. Results suggest that combining these two neuroimaging modalities reveals additional disease-relevant patterns of connectivity that were not detectable with fMRI or MEG alone.
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Affiliation(s)
- Jon M Houck
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Mind Research Network, Albuquerque, New Mexico, United States.
| | - Mustafa S Çetin
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Mind Research Network, Albuquerque, New Mexico, United States; Department of Electrical and Computer Engineering, University of New Mexico, Albuquerque, New Mexico, United States
| | - Andrew R Mayer
- Mind Research Network, Albuquerque, New Mexico, United States
| | - Juan R Bustillo
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Department of Psychiatry, University of New Mexico, Albuquerque, New Mexico, United States
| | - Julia Stephen
- Mind Research Network, Albuquerque, New Mexico, United States
| | - Cheryl Aine
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Mind Research Network, Albuquerque, New Mexico, United States; Department of Radiology, University of New Mexico, Albuquerque, New Mexico, United States
| | - Jose Cañive
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Department of Psychiatry, University of New Mexico, Albuquerque, New Mexico, United States
| | - Nora Perrone-Bizzozero
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Department of Neurosciences, University of New Mexico, Albuquerque, New Mexico, United States
| | - Robert J Thoma
- Center on Alcoholism, Substance Abuse, and Addictions, University of New Mexico, Albuquerque, New Mexico, United States; Department of Psychiatry, University of New Mexico, Albuquerque, New Mexico, United States
| | - Matthew J Brookes
- Department of Psychiatry, University of New Mexico, Albuquerque, New Mexico, United States; University of Nottingham, United Kingdom
| | - Vince D Calhoun
- Mind Research Network, Albuquerque, New Mexico, United States; Department of Electrical and Computer Engineering, University of New Mexico, Albuquerque, New Mexico, United States
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18
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Abstract
Chronic pain is an important public health problem, and there is a need to understand the mechanisms that lead to pain chronification. From a neurobiological perspective, the mechanisms contributing to the transition from acute to subacute and chronic pain are heterogeneous and are thought to take place at various levels of the peripheral and central nervous system. In the past decade, brain imaging studies have shed light on neural correlates of pain perception and pain modulation, but they have also begun to disentangle neural mechanisms that underlie chronic pain. This review summarizes important and recent findings in pain research using magnetic resonance tomography. Especially new developments in functional, structural and neurochemical imaging such as resting-state connectivity and γ-aminobutyric acid (GABA) spectroscopy, which have advanced our understanding of chronic pain and which can potentially be integrated in clinical practice, will be discussed.
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Affiliation(s)
- Tobias Schmidt-Wilcke
- Department of Neurology, Berufsgenossenschaftliche Universitätsklinik Bergmannsheil, Ruhr Universität Bochum, Bochum, Germany.
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19
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Lisofsky N, Mårtensson J, Eckert A, Lindenberger U, Gallinat J, Kühn S. Hippocampal volume and functional connectivity changes during the female menstrual cycle. Neuroimage 2015; 118:154-62. [PMID: 26057590 DOI: 10.1016/j.neuroimage.2015.06.012] [Citation(s) in RCA: 124] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 04/30/2015] [Accepted: 06/03/2015] [Indexed: 12/27/2022] Open
Abstract
Hippocampal volume has been shown to be sensitive to variations in estrogen and progesterone levels across rodents' estrous cycle. However, little is known about the covariation of hormone levels and brain structure in the course of the human menstrual cycle. Here, we examine this covariation with a multi-method approach that includes several brain imaging methods and hormonal assessments. We acquired structural and functional scans from 21 naturally cycling women on four time points during their cycles (early follicular phase, late follicular phase, ovulation and luteal phase). Hormone blood concentrations and cognitive performance in different domains were assessed on each of the measurement occasions. Structural MRI images were processed by means of whole-brain voxel-based morphometry and FreeSurfer. With either method, bilateral increases in hippocampal volume were found in the late follicular phase relative to the early follicular phase. The gray matter probability in regions of hippocampal volume increase was associated with lower mean diffusivity in the same region. In addition, we observed higher functional connectivity between the hippocampi and the bilateral superior parietal lobe in the late follicular phase. We did not find any reliable cycle-related performance variations on the cognitive tasks. The present results show that hormonal fluctuations covary with hippocampal structure and function in the course of the human menstrual cycle.
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20
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Krishnan B, Vlachos I, Wang ZI, Mosher J, Najm I, Burgess R, Iasemidis L, Alexopoulos AV. Epileptic focus localization based on resting state interictal MEG recordings is feasible irrespective of the presence or absence of spikes. Clin Neurophysiol 2014; 126:667-74. [PMID: 25440261 DOI: 10.1016/j.clinph.2014.07.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [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: 02/27/2014] [Revised: 07/15/2014] [Accepted: 07/18/2014] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To investigate whether epileptogenic focus localization is possible based on resting state connectivity analysis of magnetoencephalographic (MEG) data. METHODS A multivariate autoregressive (MVAR) model was constructed using the sensor space data and was projected to the source space using lead field and inverse matrix. The generalized partial directed coherence was estimated from the MVAR model in the source space. The dipole with the maximum information inflow was hypothesized to be within the epileptogenic focus. RESULTS Applying the focus localization algorithm (FLA) to the interictal MEG recordings from five patients with neocortical epilepsy, who underwent presurgical evaluation for the identification of epileptogenic focus, we were able to correctly localize the focus, on the basis of maximum interictal information inflow in the presence or absence of interictal epileptic spikes in the data, with three out of five patients undergoing resective surgery and being seizure free since. CONCLUSION Our preliminary results suggest that accurate localization of the epileptogenic focus may be accomplished using noninvasive spontaneous "resting-state" recordings of relatively brief duration and without the need to capture definite interictal and/or ictal abnormalities. SIGNIFICANCE Epileptogenic focus localization is possible through connectivity analysis of resting state MEG data irrespective of the presence/absence of spikes.
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Affiliation(s)
- B Krishnan
- Cleveland Clinic Epilepsy Center, Cleveland, OH, USA
| | - I Vlachos
- Biomedical Engineering, Louisiana Tech University, LA, USA
| | - Z I Wang
- Cleveland Clinic Epilepsy Center, Cleveland, OH, USA
| | - J Mosher
- Cleveland Clinic Epilepsy Center, Cleveland, OH, USA
| | - I Najm
- Cleveland Clinic Epilepsy Center, Cleveland, OH, USA
| | - R Burgess
- Cleveland Clinic Epilepsy Center, Cleveland, OH, USA
| | - L Iasemidis
- Biomedical Engineering, Louisiana Tech University, LA, USA
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21
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Amadi U, Ilie A, Johansen-Berg H, Stagg CJ. Polarity-specific effects of motor transcranial direct current stimulation on fMRI resting state networks. Neuroimage 2014; 88:155-61. [PMID: 24287440 PMCID: PMC3991849 DOI: 10.1016/j.neuroimage.2013.11.037] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 10/26/2013] [Accepted: 11/18/2013] [Indexed: 11/25/2022] Open
Abstract
Transcranial direct current stimulation (tDCS) has been used to modify motor performance in healthy and patient populations. However, our understanding of the large-scale neuroplastic changes that support such behavioural effects is limited. Here, we used both seed-based and independent component analyses (ICA) approaches to probe tDCS-induced modifications in resting state activity with the aim of establishing the effects of tDCS applied to the primary motor cortex (M1) on both motor and non-motor networks within the brain. Subjects participated in three separate sessions, during which resting fMRI scans were acquired before and after 10min of 1mA anodal, cathodal, or sham tDCS. Cathodal tDCS increased the inter-hemispheric coherence of resting fMRI signal between the left and right supplementary motor area (SMA), and between the left and right hand areas of M1. A similar trend was documented for the premotor cortex (PMC). Increased functional connectivity following cathodal tDCS was apparent within the ICA-generated motor and default mode networks. Additionally, the overall strength of the default mode network was increased. Neither anodal nor sham tDCS produced significant changes in resting state connectivity. This work indicates that cathodal tDCS to M1 affects the motor network at rest. In addition, the effects of cathodal tDCS on the default mode network support the hypothesis that diminished top-down control may contribute to the impaired motor performance induced by cathodal tDCS.
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Affiliation(s)
- Ugwechi Amadi
- Oxford Centre for Functional MRI of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Andrei Ilie
- Oxford Centre for Functional MRI of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK; Department of Pharmacology, University of Oxford, Oxford, UK
| | - Heidi Johansen-Berg
- Oxford Centre for Functional MRI of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Charlotte Jane Stagg
- Oxford Centre for Functional MRI of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK.
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