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Goutal S, Tran T, Leroy C, Benhamouda N, Leterrier S, Saba W, Lafont B, Tartour É, Roelens M, Tournier N. Brain Glucose Metabolism as a Readout of the Central Nervous System Impact of Cigarette Smoke Exposure and Withdrawal and the Effects of NFL-101, as an Immune-Based Drug Candidate for Smoking Cessation Therapy. ACS Chem Neurosci 2024; 15:2520-2531. [PMID: 38875216 DOI: 10.1021/acschemneuro.4c00204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2024] Open
Abstract
Neuroimaging biomarkers are needed to investigate the impact of smoking withdrawal on brain function. NFL-101 is a denicotinized aqueous extract of tobacco leaves currently investigated as an immune-based smoking cessation therapy in humans. However, the immune response to NFL-101 and its ability to induce significant changes in brain function remain to be demonstrated. Brain glucose metabolism was investigated using [18F]fluoro-deoxy-glucose ([18F]FDG) PET imaging in a mouse model of cigarette smoke exposure (CSE, 4-week whole-body inhalation, twice daily). Compared with control animals, the relative uptake of [18F]FDG in CSE mice was decreased in the thalamus and brain stem (p < 0.001, n = 14 per group) and increased in the hippocampus, cortex, cerebellum, and olfactory bulb (p < 0.001). NFL-101 induced a humoral immune response (specific IgGs) in mice and activated human natural-killer lymphocytes in vitro. In CSE mice, but not in control mice, single-dose NFL-101 significantly increased [18F]FDG uptake in the thalamus (p < 0.01), thus restoring normal brain glucose metabolism after 2-day withdrawal in this nicotinic receptor-rich region. In tobacco research, [18F]FDG PET imaging provides a quantitative method to evaluate changes in the brain function associated with the withdrawal phase. This method also showed the CNS effects of NFL-101, with translational perspectives for future clinical evaluation in smokers.
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Affiliation(s)
- Sébastien Goutal
- CEA, CNRS, Inserm, BioMaps, Université Paris-Saclay, Orsay 91401, France
| | - Thi Tran
- Université Paris Cité, INSERM, PARCC, Paris 75015, France
- Department of Immunology, APHP, Hôpital Européen Georges Pompidou (HEGP), Hôpital Necker, Paris 75015,France
| | - Claire Leroy
- CEA, CNRS, Inserm, BioMaps, Université Paris-Saclay, Orsay 91401, France
| | - Nadine Benhamouda
- Université Paris Cité, INSERM, PARCC, Paris 75015, France
- Department of Immunology, APHP, Hôpital Européen Georges Pompidou (HEGP), Hôpital Necker, Paris 75015,France
| | - Sarah Leterrier
- CEA, CNRS, Inserm, BioMaps, Université Paris-Saclay, Orsay 91401, France
| | - Wadad Saba
- CEA, CNRS, Inserm, BioMaps, Université Paris-Saclay, Orsay 91401, France
| | | | - Éric Tartour
- Université Paris Cité, INSERM, PARCC, Paris 75015, France
- Department of Immunology, APHP, Hôpital Européen Georges Pompidou (HEGP), Hôpital Necker, Paris 75015,France
| | - Marie Roelens
- Université Paris Cité, INSERM, PARCC, Paris 75015, France
- Department of Immunology, APHP, Hôpital Européen Georges Pompidou (HEGP), Hôpital Necker, Paris 75015,France
| | - Nicolas Tournier
- CEA, CNRS, Inserm, BioMaps, Université Paris-Saclay, Orsay 91401, France
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Chiamulera C, Benvegnù G, Piva A, Paolone G. Ecocebo: How the interaction between environment and drug effects may improve pharmacotherapy outcomes. Neurosci Biobehav Rev 2024; 161:105648. [PMID: 38565340 DOI: 10.1016/j.neubiorev.2024.105648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/19/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024]
Abstract
This narrative review describes the research on the effects of the association between environmental context and medications, suggesting the benefit of specific design interventions in adjunction to pharmacotherapy. The literature on Evidence-Based Design (EBD) studies and Neuro-Architecture show how contact with light, nature, and specific physical features of urban and interior architecture may enhance the effects of analgesic, anxiolytics, and antidepressant drugs. This interaction mirrors those already known between psychedelics, drugs of abuse, and setting. Considering that the physical feature of space is a component of the complex placebo configuration, the aim is to highlight those elements of built or natural space that may help to improve drug response in terms of efficacy, tolerability, safety, and compliance. Ecocebo, the integration of design approaches such as EBD and Neuro-Architecture may thus contribute to a more efficient, cost-sensitive, and sustainable pharmacotherapy.
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Affiliation(s)
- Cristiano Chiamulera
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy.
| | - Giulia Benvegnù
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Alessandro Piva
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Giovanna Paolone
- Department of Diagnostics and Public Health, University of Verona, Verona, Italy
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Cheng L, Luo M, Ge J, Fu Y, Gan Q, Chen Z. Effects of brief mindfulness training on smoking cue-reactivity in tobacco use disorder: Study protocol for a randomized controlled trial. PLoS One 2024; 19:e0299797. [PMID: 38648252 PMCID: PMC11034654 DOI: 10.1371/journal.pone.0299797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 01/26/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND The prevalence of Tobacco Use Disorder (TUD) represents a significant and pressing global public health concern, with far-reaching and deleterious consequences for individuals, communities, and healthcare systems. The craving caused by smoking cue is an important trigger for relapse, fundamentally hindering the cessation of cigarette smoking. Mindfulness interventions focusing on cue-reactivity was effective for the treatment of related dependence. Brief mindfulness training (BMT) meets the short-term needs for intervention but the effects still need to be examined. The objective of the present study is to investigate the impact of BMT intervention on smoking cue-reactivity among Chinese college students with TUD, to uncover the dynamic models of brain function involved in this process. METHOD A randomized control trial (RCT) based on electroencephalography (EEG) was designed. We aim to recruit 90 participants and randomly assign to the BMT and control group (CON) with 1:1 ratio. A brief mindfulness training will be administered to experimental group. After the intervention, data collection will be conducted in the follow-up stage with 5 timepoints of assessments. EEG data will be recorded during the smoking cue-reactivity task and 'STOP' brief mindfulness task. The primary outcomes include subjective reports of smoking craving, changes in EEG indicators, and mindfulness measures. The secondary outcomes will be daily smoking behaviours, affect and impulsivity, as well as indicators reflecting correlation between mindfulness and smoking cue-reactivity. To evaluate the impact of mindfulness training, a series of linear mixed-effects models will be employed. Specifically, within-group effects will be examined by analysing the longitudinal data. Additionally, the effect size for all statistical measurements will be reported, offering a comprehensive view of the observed effects. DISCUSSION The current study aims to assess the impact of brief mindfulness-based intervention on smoking cue-reactivity in TUD. It also expected to enhance our understanding of the underlying processes involved in brain function and explore potential EEG biomarkers at multiple time points. TRIAL REGISTRATION Trial registration number: ChiCTR2300069363, registered on 14 March 2023. Protocol Version 1.0., 10 April 2023.
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Affiliation(s)
- Linlin Cheng
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Miaoling Luo
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Jie Ge
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
- Students Counseling and Mental Health Center, Kunming University of Science and Technology, Kunming, China
| | - Yu Fu
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Quan Gan
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
- Faculté de médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Zhuangfei Chen
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
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Luo M, Gan Q, Fu Y, Chen Z. Cue-reactivity targeted smoking cessation intervention in individuals with tobacco use disorder: a scoping review. Front Psychiatry 2023; 14:1167283. [PMID: 37743997 PMCID: PMC10512743 DOI: 10.3389/fpsyt.2023.1167283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Objectives Cue-reactivity is a critical step leading to the emergence of addictive psychology and the triggering of addictive behaviors within the framework of addiction theory and is considered a significant risk factor for addiction-related behaviors. However, the effect of cue-reactivity targeted smoking cessation intervention and the cue-reactivity paradigms used in the randomized controlled trials varies, which introduces more heterogeneity and makes a side-by-side comparison of cessation responses difficult. Therefore, the scoping review aims to integrate existing research and identify evidence gaps. Methods We searched databases in English (PubMed and Embase) and Chinese (CNKI and Wanfang) using terms synonymous with 'cue' and 'tobacco use disorder (TUD)' to April 2023, and via hand-searching and reference screening of included studies. Studies were included if they were randomized controlled trials taking cue-reactivity as an indicator for tobacco use disorder (TUD) defined by different kinds of criteria. Results Data were extracted on each study's country, population, methods, timeframes, outcomes, cue-reactivity paradigms, and so on. Of the 2,944 literature were retrieved, 201 studies met the criteria and were selected for full-text screening. Finally, 67 pieces of literature were selected for inclusion and data extraction. The results mainly revealed that non-invasive brain stimulation and exercise therapy showed a trend of greater possibility in reducing subjective craving compared to the remaining therapies, despite variations in the number of research studies conducted in each category. And cue-reactivity paradigms vary in materials and mainly fall into two main categories: behaviorally induced craving paradigm or visually induced craving paradigm. Conclusion The current studies are still inadequate in terms of comparability due to their heterogeneity, cue-reactivity can be conducted in the future by constructing a standard library of smoking cue materials. Causal analysis is suggested in order to adequately screen for causes of addiction persistence, and further explore the specific objective cue-reactivity-related indicators of TUD.
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Affiliation(s)
- Miaoling Luo
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Quan Gan
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
- Faculté de Médecine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Yu Fu
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
| | - Zhuangfei Chen
- Medical School, Kunming University of Science and Technology, Kunming, China
- Brain Science and Visual Cognition Research Center, Medical School of Kunming University of Science and Technology, Kunming, China
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Valeri J, Gisabella B, Pantazopoulos H. Dynamic regulation of the extracellular matrix in reward memory processes: a question of time. Front Cell Neurosci 2023; 17:1208974. [PMID: 37396928 PMCID: PMC10311570 DOI: 10.3389/fncel.2023.1208974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/30/2023] [Indexed: 07/04/2023] Open
Abstract
Substance use disorders are a global health problem with increasing prevalence resulting in significant socioeconomic burden and increased mortality. Converging lines of evidence point to a critical role of brain extracellular matrix (ECM) molecules in the pathophysiology of substance use disorders. An increasing number of preclinical studies highlight the ECM as a promising target for development of novel cessation pharmacotherapies. The brain ECM is dynamically regulated during learning and memory processes, thus the time course of ECM alterations in substance use disorders is a critical factor that may impact interpretation of the current studies and development of pharmacological therapies. This review highlights the evidence for the involvement of ECM molecules in reward learning, including drug reward and natural reward such as food, as well as evidence regarding the pathophysiological state of the brain's ECM in substance use disorders and metabolic disorders. We focus on the information regarding time-course and substance specific changes in ECM molecules and how this information can be leveraged for the development of therapeutic strategies.
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Affiliation(s)
- Jake Valeri
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Graduate Program in Neuroscience, University of Mississippi Medical Center, Jackson, MS, United States
| | - Barbara Gisabella
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Graduate Program in Neuroscience, University of Mississippi Medical Center, Jackson, MS, United States
| | - Harry Pantazopoulos
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
- Graduate Program in Neuroscience, University of Mississippi Medical Center, Jackson, MS, United States
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Yang W, Wang S, Luo J, Yan C, Tang F, Du Y, Fan L, Zhang M, Zhang J, Yuan K, Liu J. Longitudinal resting-state functional connectivity changes in the insular subdivisions of abstinent individuals with opioid use disorder. Psychiatry Res 2022; 317:114808. [PMID: 36055065 DOI: 10.1016/j.psychres.2022.114808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/16/2022] [Accepted: 08/20/2022] [Indexed: 10/31/2022]
Abstract
The insular cortex plays a critical role in reward circuitry involved with drug craving in substance use disorders. This study aimed to investigate whether opioid use disorder exhibit functional alterations in the insular circuitry after abstinence. Sixty-one opioid use disorder underwent resting-state and 3D-T1-weighted magnetic resonance imaging and completed craving questionnaires at baseline and after 8 months of abstinence. Changes in resting-state functional connectivity in the insular cortex and their correlations with craving were analyzed. Craving was reduced at follow-up compared with baseline. Compared with that at baseline, there was significantly increased resting-state functional connectivity between the right insular cortex and the superior frontal gyrus/anterior cingulate gyrus (family-wise error corrected) at follow-up. Changes in the functional connectivity of the right dorsal anterior insula/posterior insula with the bilateral superior frontal gyrus were negatively correlated with changes in craving. Our results demonstrated the presence of changes in functional connectivity of the insula in opioid use disorder after protracted abstinence, providing novel evidence of a correlation between craving changes and changes in the neurocircuitry of insular cortex subdivision after abstinence. This study reveals the possibility of neuroplasticity after protracted abstinence, providing insight for future abstinence therapies and rehabilitation procedures for patients with substance use disorders.
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Affiliation(s)
- Wenhan Yang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Shicong Wang
- School of Life Science and Technology, Xidian University, Xi'an, 710071, PR China; Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, PR China
| | - Jing Luo
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Cui Yan
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Fei Tang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Yanyao Du
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Li Fan
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Min Zhang
- School of Life Science and Technology, Xidian University, Xi'an, 710071, PR China; Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, PR China
| | - Jun Zhang
- Hunan Judicial Police Academy, Changsha, PR China
| | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, 710071, PR China; Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, PR China; International Joint Research Center for Advanced Medical Imaging and Intelligent Diagnosis and Treatment & Xi'an Key Laboratory of Intelligent Sensing and Regulation of trans-Scale Life Information, School of Life Science and Technology, Xidian University, Xi'an, Shaanxi 710126, PR China; Information Processing Laboratory, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia 014010, PR China.
| | - Jun Liu
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China; Clinical Research Center for Medical Imaging in Hunan Province, Changsha, PR China; Department of Radiology Quality Control Center in Hunan Province, Changsha, PR China.
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Marques RC, Marques D, Vieira L, Cantilino A. Left frontal pole repetitive transcranial magnetic stimulation reduces cigarette cue-reactivity in correlation with verbal memory performance. Drug Alcohol Depend 2022; 235:109450. [PMID: 35487078 DOI: 10.1016/j.drugalcdep.2022.109450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 03/01/2022] [Accepted: 04/05/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Although left frontal pole (LFP) repetitive transcranial magnetic stimulation (rTMS) has been recently investigated for the treatment of different substance use disorders, there is no current evidence that it can effectively influence craving or clinical outcomes in smokers. A single session of 1 Hz rTMS over LFP is proposed to explore short-term effects of this protocol in tobacco use disorder. METHODS A pilot randomized trial compared 1 Hz rTMS of the LFP (n = 12) and primary motor cortex (n = 12) in a high-craving, severe nicotine dependence population (9 females, 15 males). A cigarette cue-reactivity paradigm with smoking-related and neutral visual stimuli was used for primary outcome measures. Chronic craving, dependence severity, impulsivity and cognitive measures were also obtained. RESULTS Compared to baseline, LFP rTMS significantly reduced cue-reactivity to both smoking-related and neutral cue types, while no change occurred in the motor cortex group. Reactivity to affectively neutral pictures was significantly reduced in the LFP vs. motor cortex analysis. There was one robust correlation between verbal memory recall score and reduction of neutral cue-reactivity. CONCLUSIONS LFP 1 Hz rTMS significantly reduced cigarette cue-reactivity. Association of change in cue-reactivity with verbal memory performance suggests a relationship between craving experiences and declarative memory systems that seems relevant to rTMS effects.
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Affiliation(s)
- Rodrigo C Marques
- Singular - Psychiatry and Neuromodulation Clinic, Recife, Brazil; Neuropsychiatry and Behavioral Sciences Postgraduate Program, Universidade Federal de Pernambuco (UFPE), Recife, Brazil.
| | - Deborah Marques
- Singular - Psychiatry and Neuromodulation Clinic, Recife, Brazil
| | - Larissa Vieira
- Singular - Psychiatry and Neuromodulation Clinic, Recife, Brazil
| | - Amaury Cantilino
- Neuropsychiatry and Behavioral Sciences Postgraduate Program, Universidade Federal de Pernambuco (UFPE), Recife, Brazil
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King CP, Meyer PJ. The incentive amplifying effects of nicotine: Roles in alcohol seeking and consumption. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2022; 93:171-218. [PMID: 35341566 DOI: 10.1016/bs.apha.2021.10.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Nicotine has a unique profile among drugs of abuse. To the noninitiated user, nicotine has powerful aversive effects and its relatively weak euphorigenic effects undergo rapid tolerance. Despite this, nicotine is commonly abused despite negative heath consequences, and nicotine users have enormous difficulty quitting. Further, nicotine is one of the most commonly co-abused substances, in that it is often taken in combination with other drugs. One explanation of this polydrug use is that nicotine has multiple appetitive and consummatory conditioning effects. For example, nicotine is a reinforcement enhancer in that it can potently increase the incentive value of other stimuli, including those surrounding drugs of abuse such as alcohol. In addition, nicotine also has a unique profile of neurobiological effects that alter regulation of alcohol intake and interoception. This review discusses the psychological and biological mechanisms surrounding nicotine's appetitive conditioning and consummatory effects, particularly its interactions with alcohol.
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Affiliation(s)
- Christopher P King
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, United States; Clinical and Research Institute on Addictions, State University of New York at Buffalo, Buffalo, NY, United States
| | - Paul J Meyer
- Department of Psychology, State University of New York at Buffalo, Buffalo, NY, United States.
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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: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [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
| | - Arshiya Sangchooli
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - 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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10
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Kunas SL, Stuke H, Heinz A, Ströhle A, Bermpohl F. Evidence for a hijacked brain reward system but no desensitized threat system in quitting-motivated smokers: An fMRI study. Addiction 2022; 117:701-712. [PMID: 34312937 DOI: 10.1111/add.15651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 07/14/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND AIMS Several aspects of how quitting-motivated tobacco use disorder (TUD) subjects and never-smokers differ in terms of reward and threat processing remain unresolved. We aimed to examine aberrant reward and threat processes in TUD and the association with smoking characteristics. DESIGN A between- and within-subjects functional magnetic resonance imaging (fMRI) experiment with a 2 (groups) × 4 (stimulus type) factorial design. The experimental paradigm had four conditions: pictures of (1) cigarettes served as drug-related-positive cues, (2) food as alternative reward cues, (3) long-term consequences of smoking as drug-related-negative cues and (4) neutral pictures as control. SETTING/PARTICIPANTS Adult participants (n = 38 TUD subjects and n = 42 never-smokers) were recruited in Berlin, Germany. MEASUREMENTS As contrasts of primary interest, the interactions of group × stimulus-type were assessed. Significance threshold correction for multiple testing was carried out with the family-wise error method. Correlation analyses were used to test the association with smoking characteristics. FINDINGS The 2 × 2 interaction of smoking status and stimulus type revealed activations in the brain reward system to drug-related-positive cues in TUD subjects (between-subjects effect: P-values ≤ 0.036). As a response to drug-related-negative cues, TUD subjects showed no reduced activation of the aversive brain network. Within the TUD group, a significant negative association was found between response of the aversive brain system to drug-related-negative cues (within-subjects effect: P-values ≤ 0.021) and the number of cigarettes smoked per day (right insula r = -0.386, P = 0.024; left insula r = -0.351, P = 0.042; right ACC r = -0.359, P = 0.037). CONCLUSIONS Moderate smokers with tobacco use disorder appear to have altered brain reward processing of drug-related-positive (but not negative) cues compared with never smokers.
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Affiliation(s)
- Stefanie L Kunas
- Campus Charité Mitte, Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Heiner Stuke
- Campus Charité Mitte, Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas Heinz
- Campus Charité Mitte, Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Andreas Ströhle
- Campus Charité Mitte, Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Felix Bermpohl
- Campus Charité Mitte, Department of Psychiatry and Psychotherapy, Charité-Universitätsmedizin Berlin, Berlin, Germany
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11
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Oliver JA, Sweitzer MM. Commentary on Kunas et al.: Hijacked brain reward systems-how methodological advances can help to bridge gaps in the translational science pipeline. Addiction 2022; 117:713-714. [PMID: 34553444 DOI: 10.1111/add.15678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 08/19/2021] [Indexed: 01/25/2023]
Affiliation(s)
- Jason A Oliver
- TSET Health Promotion Research Center, Stephenson Cancer Center, Oklahoma City, OK, USA.,Department of Family and Preventive Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA.,Department of Psychiatry and Behavioral Sciences, Oklahoma State University Center for Health Sciences, Oklahoma City, OK, USA.,Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Maggie M Sweitzer
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
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12
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Clarkson BD, Wei Z, Karim HT, Tyagi S, Resnick NM, Salkeld R, Conklin C. Neuroimaging of situational urgency and incontinence provoked by personal urgency cues. Neurourol Urodyn 2022; 41:166-173. [PMID: 34570403 PMCID: PMC8738101 DOI: 10.1002/nau.24800] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/23/2021] [Accepted: 09/15/2021] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Situational triggers for urinary urgency and incontinence (UUI) such as "latchkey incontinence" and running water are often reported clinically, but no current clinical tools exist to directly address symptoms of UUI provoked by environmental stimuli. Previously we have shown that urgency and leakage can be reproduced during urodynamic studies with exposure to personal urgency-related images. Here we investigate the neural signatures associated with such situational triggers to inform potential therapies for reducing reactivity to these personal urgency-related cues among women with situational UUI. METHOD We recruited 23 women with situational UUI who took photographs of their personal "urgency trigger" and "safe" situations and were exposed to them in a magnetic resonance imaging (MRI) scanner. We identified brain areas that were more active during urgency versus safe image exposure. RESULTS We found that, during urgency image exposure, main components of the attention network and decision-related processes, the middle and medial frontal gyri, were more active (p < 0.01). In addition, areas well known to be involved in the continence mechanism, such as the cingulate and parahippocampal areas, were also more active during urgency image exposure. CONCLUSION Exposure to personal situational urgency images activated different areas of the brain compared with safe environments, highlighting the complex brain mechanisms that provoke real-world urgency. Using brain and behavioral-based therapies which target the attentional areas identified here and extinguish cue reactivity might reduce symptom burden in this subset of UUI sufferers.
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Affiliation(s)
- Becky D Clarkson
- Division of Geriatric Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Zhiyang Wei
- Division of Geriatric Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Helmet T Karim
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Shachi Tyagi
- Division of Geriatric Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Neil M Resnick
- Division of Geriatric Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Ronald Salkeld
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Cynthia Conklin
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, 15213, USA
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13
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Engelhard MM, D'Arcy J, Oliver JA, Kozink R, McClernon FJ. Prediction of Smoking Risk From Repeated Sampling of Environmental Images: Model Validation. J Med Internet Res 2021; 23:e27875. [PMID: 34723819 PMCID: PMC8593805 DOI: 10.2196/27875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/01/2021] [Accepted: 08/01/2021] [Indexed: 01/27/2023] Open
Abstract
Background Viewing their habitual smoking environments increases smokers’ craving and smoking behaviors in laboratory settings. A deep learning approach can differentiate between habitual smoking versus nonsmoking environments, suggesting that it may be possible to predict environment-associated smoking risk from continuously acquired images of smokers’ daily environments. Objective In this study, we aim to predict environment-associated risk from continuously acquired images of smokers’ daily environments. We also aim to understand how model performance varies by location type, as reported by participants. Methods Smokers from Durham, North Carolina and surrounding areas completed ecological momentary assessments both immediately after smoking and at randomly selected times throughout the day for 2 weeks. At each assessment, participants took a picture of their current environment and completed a questionnaire on smoking, craving, and the environmental setting. A convolutional neural network–based model was trained to predict smoking, craving, whether smoking was permitted in the current environment and whether the participant was outside based on images of participants’ daily environments, the time since their last cigarette, and baseline data on daily smoking habits. Prediction performance, quantified using the area under the receiver operating characteristic curve (AUC) and average precision (AP), was assessed for out-of-sample prediction as well as personalized models trained on images from days 1 to 10. The models were optimized for mobile devices and implemented as a smartphone app. Results A total of 48 participants completed the study, and 8008 images were acquired. The personalized models were highly effective in predicting smoking risk (AUC=0.827; AP=0.882), craving (AUC=0.837; AP=0.798), whether smoking was permitted in the current environment (AUC=0.932; AP=0.981), and whether the participant was outside (AUC=0.977; AP=0.956). The out-of-sample models were also effective in predicting smoking risk (AUC=0.723; AP=0.785), whether smoking was permitted in the current environment (AUC=0.815; AP=0.937), and whether the participant was outside (AUC=0.949; AP=0.922); however, they were not effective in predicting craving (AUC=0.522; AP=0.427). Omitting image features reduced AUC by over 0.1 when predicting all outcomes except craving. Prediction of smoking was more effective for participants whose self-reported location type was more variable (Spearman ρ=0.48; P=.001). Conclusions Images of daily environments can be used to effectively predict smoking risk. Model personalization, achieved by incorporating information about daily smoking habits and training on participant-specific images, further improves prediction performance. Environment-associated smoking risk can be assessed in real time on a mobile device and can be incorporated into device-based smoking cessation interventions.
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Affiliation(s)
- Matthew M Engelhard
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC, United States
| | - Joshua D'Arcy
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC, United States
| | - Jason A Oliver
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC, United States
| | - Rachel Kozink
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC, United States
| | - F Joseph McClernon
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC, United States
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14
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Better living through understanding the insula: Why subregions can make all the difference. Neuropharmacology 2021; 198:108765. [PMID: 34461066 DOI: 10.1016/j.neuropharm.2021.108765] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 07/19/2021] [Accepted: 08/23/2021] [Indexed: 02/07/2023]
Abstract
Insula function is considered critical for many motivated behaviors, with proposed functions ranging from attention, behavioral control, emotional regulation, goal-directed and aversion-resistant responding. Further, the insula is implicated in many neuropsychiatric conditions including substance abuse. More recently, multiple insula subregions have been distinguished based on anatomy, connectivity, and functional contributions. Generally, posterior insula is thought to encode more somatosensory inputs, which integrate with limbic/emotional information in middle insula, that in turn integrate with cognitive processes in anterior insula. Together, these regions provide rapid interoceptive information about the current or predicted situation, facilitating autonomic recruitment and quick, flexible action. Here, we seek to create a robust foundation from which to understand potential subregion differences, and provide direction for future studies. We address subregion differences across humans and rodents, so that the latter's mechanistic interventions can best mesh with clinical relevance of human conditions. We first consider the insula's suggested roles in humans, then compare subregional studies, and finally describe rodent work. One primary goal is to encourage precision in describing insula subregions, since imprecision (e.g. including both posterior and anterior studies when describing insula work) does a disservice to a larger understanding of insula contributions. Additionally, we note that specific task details can greatly impact recruitment of various subregions, requiring care and nuance in design and interpretation of studies. Nonetheless, the central ethological importance of the insula makes continued research to uncover mechanistic, mood, and behavioral contributions of paramount importance and interest. This article is part of the special Issue on 'Neurocircuitry Modulating Drug and Alcohol Abuse'.
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15
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Oliver JA, Sweitzer MM, Engelhard MM, Hallyburton MB, Ribisl KM, McClernon FJ. Identifying neural signatures of tobacco retail outlet exposure: Preliminary validation of a "community neuroscience" paradigm. Addict Biol 2021; 26:e13029. [PMID: 33663023 DOI: 10.1111/adb.13029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 12/23/2020] [Accepted: 02/22/2021] [Indexed: 11/27/2022]
Abstract
An extensive epidemiological literature indicates that increased exposure to tobacco retail outlets (TROs) places never smokers at greater risk for smoking uptake and current smokers at greater risk for increased consumption and smoking relapse. Yet research into the mechanisms underlying this effect has been limited. This preliminary study represents the first effort to examine the neurobiological consequences of exposure to personally relevant TROs among both smokers (n = 17) and nonsmokers (n = 17). Individuals carried a global positioning system (GPS) tracker for 2 weeks. Traces were used to identify TROs and control outlets that fell inside and outside their ideographically defined activity space. Participants underwent functional MRI (fMRI) scanning during which they were presented with images of these storefronts, along with similar store images from a different county and rated their familiarity with these stores. The main effect of activity space was additive with a Smoking status × Store type interaction, resulting in smokers exhibiting greater neural activation to TROs falling inside activity space within the parahippocampus, precuneus, medial prefrontal cortex, and dorsal anterior insula. A similar pattern was observed for familiarity ratings. Together, these preliminary findings suggest that the otherwise distinct neural systems involved in self-orientation/self-relevance and smoking motivation may act in concert and underlie TRO influence on smoking behavior. This study also offers a novel methodological framework for evaluating the influence of community features on neural activity that can be readily adapted to study other health behaviors.
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Affiliation(s)
- Jason A. Oliver
- Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
- Cancer Control and Population Sciences Program Duke Cancer Institute Durham North Carolina USA
| | - Maggie M. Sweitzer
- Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
| | - Matthew M. Engelhard
- Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
| | - Matthew B. Hallyburton
- Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
| | - Kurt M. Ribisl
- Department of Health Behavior UNC Gillings School of Global Public Health Chapel Hill North Carolina USA
- Cancer Prevention and Control UNC Lineberger Comprehensive Cancer Center Chapel Hill North Carolina USA
| | - Francis Joseph McClernon
- Department of Psychiatry and Behavioral Sciences Duke University School of Medicine Durham North Carolina USA
- Cancer Control and Population Sciences Program Duke Cancer Institute Durham North Carolina USA
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16
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Fisher ML, Pauly JR, Froeliger B, Turner JR. Translational Research in Nicotine Addiction. Cold Spring Harb Perspect Med 2021; 11:cshperspect.a039776. [PMID: 32513669 DOI: 10.1101/cshperspect.a039776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
While commendable strides have been made in reducing smoking initiation and improving smoking cessation rates, current available smoking cessation treatment options are still only mildly efficacious and show substantial interindividual variability in their therapeutic responses. Therefore, the primary goal of preclinical research has been to further the understanding of the neural substrates and genetic influences involved in nicotine's effects and reassess potential drug targets. Pronounced advances have been made by investing in new translational approaches and placing more emphasis on bridging the gap between human and rodent models of dependence. Functional neuroimaging studies have identified key brain structures involved with nicotine-dependence phenotypes such as craving, impulsivity, withdrawal symptoms, and smoking cessation outcomes. Following up with these findings, rodent-modeling techniques have made it possible to dissect the neural circuits involved in these motivated behaviors and ascertain mechanisms underlying nicotine's interactive effects on brain structure and function. Likewise, translational studies investigating single-nucleotide polymorphisms (SNPs) within the cholinergic, dopaminergic, and opioid systems have found high levels of involvement of these neurotransmitter systems in regulating the reinforcing aspects of nicotine in both humans and mouse models. These findings and coordinated efforts between human and rodent studies pave the way for future work determining gene by drug interactions and tailoring treatment options to each individual smoker.
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Affiliation(s)
- Miranda L Fisher
- Department of Pharmaceutical Sciences, University of Kentucky College of Pharmacy, Lexington, Kentucky 40536-0596, USA
| | - James R Pauly
- Department of Pharmaceutical Sciences, University of Kentucky College of Pharmacy, Lexington, Kentucky 40536-0596, USA
| | - Brett Froeliger
- Department of Neuroscience, Medical University of South Carolina, Charleston, South Carolina 29425, USA
| | - Jill R Turner
- Department of Pharmaceutical Sciences, University of Kentucky College of Pharmacy, Lexington, Kentucky 40536-0596, USA
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17
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Girven KS, Aroni S, Navarrete J, Marino RAM, McKeon PN, Cheer JF, Sparta DR. Glutamatergic input from the insula to the ventral bed nucleus of the stria terminalis controls reward-related behavior. Addict Biol 2021; 26:e12961. [PMID: 32820590 PMCID: PMC8651178 DOI: 10.1111/adb.12961] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 07/31/2020] [Accepted: 08/10/2020] [Indexed: 12/19/2022]
Abstract
Individuals suffering from substance use disorder often experience relapse events that are attributed to drug craving. Insular cortex (IC) function is implicated in processing drug-predictive cues and is thought to be a critical substrate for drug craving, but the downstream neural circuit effectors of the IC that mediate reward processing are poorly described. Here, we uncover the functional connectivity of an IC projection to the ventral bed nucleus of the stria terminalis (vBNST), a portion of the extended amygdala that has been previously shown to modulate dopaminergic activity within the ventral tegmental area (VTA), and investigate the role of this pathway in reward-related behaviors. We utilized ex vivo slice electrophysiology and in vivo optogenetics to examine the functional connectivity of the IC-vBNST projection and bidirectionally control IC-vBNST terminals in various reward-related behavioral paradigms. We hypothesized that the IC recruits mesolimbic dopamine signaling by activating VTA-projecting, vBNST neurons. Using slice electrophysiology, we found that the IC sends a glutamatergic projection onto vBNST-VTA neurons. Photoactivation of IC-vBNST terminals was sufficient to reinforce behavior in a dopamine-dependent manner. Moreover, silencing the IC-vBNST projection was aversive and resulted in anxiety-like behavior without affecting food consumption. This work provides a potential mechanism by which the IC processes exteroceptive triggers that are predictive of reward.
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Affiliation(s)
- Kasey S. Girven
- Program in Neuroscience, University of Maryland Baltimore, Baltimore, MD 21201, USA
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Sonia Aroni
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Jovana Navarrete
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Rosa A. M. Marino
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Paige N. McKeon
- Program in Molecular Medicine, University of Maryland Baltimore, Baltimore, MD 21201, USA
| | - Joseph F. Cheer
- Program in Neuroscience, University of Maryland Baltimore, Baltimore, MD 21201, USA
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Dennis R. Sparta
- Program in Neuroscience, University of Maryland Baltimore, Baltimore, MD 21201, USA
- Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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18
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Zandonai T, Benvegnù G, Tommasi F, Ferrandi E, Libener E, Ferraro S, Maris B, Chiamulera C. A virtual reality study on postretrieval extinction of smoking memory reconsolidation in smokers. J Subst Abuse Treat 2021; 125:108317. [PMID: 34016302 DOI: 10.1016/j.jsat.2021.108317] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 12/02/2020] [Accepted: 01/31/2021] [Indexed: 10/22/2022]
Abstract
Exposure to smoking-related stimuli may induce the reconsolidation of smoking-related memories in smokers. Research has proposed that extinction applied after the retrieval of a smoking memory may inhibit reconsolidation and prevent craving. The aim of this study was to test the effect of postretrieval extinction (PRE) on the reconsolidation of smoking memory by using a virtual reality (VR) simulation in smokers. On the day 1 session, the study exposed 46 smokers to a neutral and then to a smoking VR scenario under a fixed-block protocol. On day 2, the study randomized participants into three groups (G) and exposed them to a 15-s VR immersion in smoking (G1, G3) or neutral (G2) scenario for memory retrieval. After 15 min, the study exposed G1 and G2 to a VR PRE during the temporal window of memory vulnerability, whereas the study exposed G3 to extinction immediately after retrieval. On day 3, the study exposed all groups to neutral and smoking scenarios similar to day 1. All groups significantly increased craving for cigarettes after exposure to the smoking scenario on day 1 (p < 0.01). On day 3, VR PRE after a 15-second VR smoking memory retrieval was able to inhibit reconsolidation in G1, but not in G3 exposed to PRE before the window of vulnerability, or in G2 not exposed to the smoking memory retrieval. These findings show the superiority of VR PRE after smoking memory retrieval compared to a standard extinction procedure.
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Affiliation(s)
- Thomas Zandonai
- Department of Pharmacology, Pediatrics and Organic Chemistry, Miguel Hernández University of Elche, Spain.
| | - Giulia Benvegnù
- Department of General Psychology, University of Padua, via Venezia 8, 35131 Padua, Italy; Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy
| | - Francesco Tommasi
- Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy
| | - Elisa Ferrandi
- Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy
| | - Elettra Libener
- Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy
| | - Stefano Ferraro
- Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy; Department of Computer Science, Altair Robotics Laboratory, University of Verona, Strada le Grazie 15, 37134 Verona, Italy
| | - Bogdan Maris
- Department of Computer Science, Altair Robotics Laboratory, University of Verona, Strada le Grazie 15, 37134 Verona, Italy
| | - Cristiano Chiamulera
- Department of Diagnostics and Public Health, Pharmacology Section, Neuropsychopharmacology Lab, University of Verona, Policlinico "G.B. Rossi", P.le Scuro 10, 37134 Verona, Italy
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Tamburin S, Dal Lago D, Armani F, Turatti M, Saccà R, Campagnari S, Chiamulera C. Smoking-related cue reactivity in a virtual reality setting: association between craving and EEG measures. Psychopharmacology (Berl) 2021; 238:1363-1371. [PMID: 33263158 PMCID: PMC8062345 DOI: 10.1007/s00213-020-05733-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 11/23/2020] [Indexed: 11/27/2022]
Abstract
BACKGROUND Cue-reactivity is the array of responses that smokers exhibit when exposed to conditioned and contextual stimuli previously associated to substance use. The difficulty to experimentally recreate the complexity of smokers' spatial experience and context requires more ecological models. Virtual reality (VR) creates a state of immersion close to reality allowing controlled assessments of behavioral responses. To date, no studies investigated brain activation associated to smoking cue-reactivity in VR using electroencephalography (EEG). AIMS To investigate whether a VR cue-reactivity paradigm (a) may increase smoking craving, (b) is feasible with EEG recording, and (c) induces craving levels associated to EEG desynchronization. METHODS Smokers (N = 20) and non-smokers (N = 20) were exposed to neutral and smoking-related VR scenarios, without and with smoking conditioned stimuli, respectively. EEG was recorded from occipital and parietal leads throughout the sessions to assess alpha band desynchronization. Smoking and food craving and presence visual analogue scales (VAS) were assessed during the session. RESULTS To be smoker, but not non-smoker, significantly influenced smoking craving VAS induced by smoking cue VR but not by neutral VR. No significant food craving changes was observed during the VR sessions. The new finding was that EEG alpha band power in posterior leads was significantly increased by the smoking context scenario only in smokers, and that the degree of smoking (i.e., heavy vs. light) was significantly associated to this neurophysiological measure. CONCLUSIONS This study demonstrated, for the first time, the feasibility of EEG recording in a VR setting, suggesting that EEG desynchronization may be a neurophysiological marker of smoking cue-reactivity.
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Affiliation(s)
- Stefano Tamburin
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy.
| | - Denise Dal Lago
- Department of Diagnostic and Public Health, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy
| | - Federica Armani
- Department of Diagnostic and Public Health, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy
| | - Marco Turatti
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy
| | - Riccardo Saccà
- Department of Diagnostic and Public Health, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy
| | - Simone Campagnari
- Department of Diagnostic and Public Health, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy
| | - Cristiano Chiamulera
- Department of Diagnostic and Public Health, University of Verona, Piazzale Scuro 10, I-37134, Verona, Italy.
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Huntley ED, Marusak HA, Berman SE, Zundel CG, Hatfield JRB, Keating DP, Rabinak CA. Adolescent substance use and functional connectivity between the ventral striatum and hippocampus. Behav Brain Res 2020; 390:112678. [PMID: 32413469 DOI: 10.1016/j.bbr.2020.112678] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 03/29/2020] [Accepted: 04/26/2020] [Indexed: 12/28/2022]
Abstract
Neurodevelopmental explanations for adolescent substance use have focused on heightened sensitivity of mesolimbic circuitry, centered on the ventral striatum (VS). Recent evidence suggests that, relative to adults, adolescents show a stronger link between reinforcement learning and episodic memory for rewarding outcomes and greater functional connectivity between the VS and hippocampus, which may reflect a heightened reward modulation of memory. However, a link between VS-hippocampal circuitry and adolescent substance use has yet to be established. Two separate studies were conducted to evaluate whether variation in VS-hippocampal resting-state functional connectivity (rs-FC) predicts subsequent adolescent substance use exposure. A pilot study (Study 1) was conducted in 19 youth recruited from a high sociodemographic risk population (N = 19; mean age = 13.3 SD = 1.4; 14 females; 47% Black Non-Hispanic, 32% White Non-Hispanic). To replicate results of Study 1, Study 2 utilized data from the National Consortium on Adolescent Neurodevelopment and Alcohol (N = 644; mean age = 16.3 SD = 2.5; 339 females; 11% Black Non-Hispanic, 11% Hispanic/Latino, 66% White Non-Hispanic). Resting-state fMRI data were collected at a baseline time point and lifetime and past year self-reported substance use was collected at a follow up visit. Regression models tested whether baseline VS-hippocampal rs-FC predicted substance use exposure at follow up, as measured by an index score reflecting the number of substance classes (e.g., alcohol, marijuana) tried and overall frequency of use. Across both studies, higher VS-hippocampal rs-FC at baseline predicted greater substance use exposure at follow up (pFWE < 0.05). These data provide the first evidence linking increased VS-hippocampal connectivity with greater adolescent substance use exposure. Results fit with the emerging idea that variation in adolescent substance use may relate to not only individual differences in mesolimbic sensitivity to reward, but also to an individuals' memory sensitivity to reward as measured by connectivity between canonical memory and reward regions.
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Affiliation(s)
- Edward D Huntley
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
| | - Hilary A Marusak
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, United States; Merrill Palmer Skillman Institute for Child and Family Development, Detroit, MI, United States.
| | | | - Clara G Zundel
- Behavioral Neuroscience Program, Boston University School of Medicine, Boston, MA, United States
| | - Joshua R B Hatfield
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
| | - Daniel P Keating
- Survey Research Center, Institute for Social Research, University of Michigan, Ann Arbor, MI, United States
| | - Christine A Rabinak
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, United States; Merrill Palmer Skillman Institute for Child and Family Development, Detroit, MI, United States; Department of Pharmacy Practice, Wayne State University College of Pharmacy and Health Sciences, Detroit, MI, United States; Department of Pharmaceutical Sciences, Wayne State University College of Pharmacy and Health Sciences, Detroit, MI, United States
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21
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Engelhard MM, Oliver JA, McClernon FJ. Digital envirotyping: quantifying environmental determinants of health and behavior. NPJ Digit Med 2020; 3:36. [PMID: 32195371 PMCID: PMC7067787 DOI: 10.1038/s41746-020-0245-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 02/21/2020] [Indexed: 12/22/2022] Open
Abstract
Digital phenotyping efforts have used wearable devices to connect a rich array of physiologic data to health outcomes or behaviors of interest. The environmental context surrounding these phenomena has received less attention, yet is critically needed to understand their antecedents and deliver context-appropriate interventions. The coupling of improved smart eyewear with deep learning represents a technological turning point, one that calls for more comprehensive, ambitious study of environments and health.
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Affiliation(s)
- Matthew M. Engelhard
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC USA
| | - Jason A. Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC USA
| | - F. Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC USA
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22
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Hauser SR, Deehan GA, Knight CP, Waeiss RA, Truitt WA, Johnson PL, Bell RL, McBride WJ, Rodd ZA. Conditioned stimuli affect ethanol-seeking by female alcohol-preferring (P) rats: the role of repeated-deprivations, cue-pretreatment, and cue-temporal intervals. Psychopharmacology (Berl) 2019; 236:2835-2846. [PMID: 31093721 PMCID: PMC6697605 DOI: 10.1007/s00213-019-05264-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 04/26/2019] [Indexed: 12/14/2022]
Abstract
RATIONALE Evidence indicates that drug-paired stimuli can evoke drug-craving leading to drug-seeking and repeated relapse periods can influence drug-seeking behaviors. OBJECTIVES The present study examined (1) the effect of an interaction between repeated deprivation cycles and excitatory conditioning stimuli (CS+) on ethanol (EtOH)-seeking; (2) the effects of EtOH-paired cue-exposure in a non-drug-paired environment on subsequent conditioning in a drug-paired environment; and (3) the temporal effects of conditioned cues on subsequent EtOH-seeking. METHODS Adult female alcohol-preferring (P) rats were exposed to three conditioned odor cues; CS+ associated with EtOH self-administration, CS- associated with the absence of EtOH (extinction training), and a neutral stimulus (CS0) presented in a neutral non-drug-paired environment. The rats underwent four deprivation cycles or were non-deprived, following extinction they were maintained in a home cage for an EtOH-free period, and then exposed to no cue, CS+, CS-, or CS0 to assess the effect of the conditioned cues on EtOH-seeking behavior. RESULTS Repeated deprivations enhanced and prolonged the duration of CS+ effects on EtOH-seeking. Presentation of the CS- in a non-drug-paired environment blocked the ability of a CS+ to enhance EtOH-seeking in a drug-paired environment. Presentation of the CS+ or CS- in a non-drug-paired environment 2 or 4 h earlier significantly altered EtOH-seeking. CONCLUSION Results indicated an interaction between repeated deprivation cycles and CS+ resulted in a potentiation of CS+ evoked EtOH-seeking. In addition, a CS- may have therapeutic potential by providing prophylactic protection against relapse behavior in the presence of cues in the drug-using environment.
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Affiliation(s)
- Sheketha R Hauser
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA.
| | - Gerald A Deehan
- Department of Psychology, East Tennessee State University, Johnson City, TN, 37614, USA
| | - Christopher P Knight
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Robert A Waeiss
- Program in Medical Neuroscience, Paul and Carole Stark Neurosciences Research Institute, Indianapolis, 46202, IN, USA
| | - William A Truitt
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Philip L Johnson
- Department of Anatomy and Cell Biology, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Richard L Bell
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - William J McBride
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
| | - Zachary A Rodd
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
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Engelhard MM, Oliver JA, Henao R, Hallyburton M, Carin LE, Conklin C, McClernon FJ. Identifying Smoking Environments From Images of Daily Life With Deep Learning. JAMA Netw Open 2019; 2:e197939. [PMID: 31373647 PMCID: PMC6681554 DOI: 10.1001/jamanetworkopen.2019.7939] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
IMPORTANCE Environments associated with smoking increase a smoker's craving to smoke and may provoke lapses during a quit attempt. Identifying smoking risk environments from images of a smoker's daily life provides a basis for environment-based interventions. OBJECTIVE To apply a deep learning approach to the clinically relevant identification of smoking environments among settings that smokers encounter in daily life. DESIGN, SETTING, AND PARTICIPANTS In this cross-sectional study, 4902 images of smoking (n = 2457) and nonsmoking (n = 2445) locations were photographed by 169 smokers from Durham, North Carolina, and Pittsburgh, Pennsylvania, areas from 2010 to 2016. These images were used to develop a probabilistic classifier to predict the location type (smoking or nonsmoking location), thus relating objects and settings in daily environments to established smoking patterns. The classifier combines a deep convolutional neural network with an interpretable logistic regression model and was trained and evaluated via nested cross-validation with participant-wise partitions (ie, out-of-sample prediction). To contextualize model performance, images taken by 25 randomly selected participants were also classified by smoking cessation experts. As secondary validation, craving levels reported by participants when viewing unfamiliar environments were compared with the model's predictions. Data analysis was performed from September 2017 to May 2018. MAIN OUTCOMES AND MEASURES Classifier performance (accuracy and area under the receiver operating characteristic curve [AUC]), comparison with 4 smoking cessation experts, contribution of objects and settings to smoking environment status (standardized model coefficients), and correlation with participant-reported craving. RESULTS Of 169 participants, 106 (62.7%) were from Durham (53 [50.0%] female; mean [SD] age, 41.4 [12.0] years) and 63 (37.3%) were from Pittsburgh (31 [51.7%] female; mean [SD] age, 35.2 [13.8] years). A total of 4902 images were available for analysis, including 3386 from Durham (mean [SD], 31.9 [1.3] images per participant) and 1516 from Pittsburgh (mean [SD], 24.1 [0.5] images per participant). Images were evenly split between the 2 classes, with 2457 smoking images (50.1%) and 2445 nonsmoking images (49.9%). The final model discriminated smoking vs nonsmoking environments with a mean (SD) AUC of 0.840 (0.024) (accuracy [SD], 76.5% [1.6%]). A model trained only with images from Durham participants effectively classified images from Pittsburgh participants (AUC, 0.757; accuracy, 69.2%), and a model trained only with images from Pittsburgh participants effectively classified images from Durham participants (AUC, 0.821; accuracy, 75.0%), suggesting good generalizability between geographic areas. Only 1 expert's performance was a statistically significant improvement compared with the classifier (α = .05). Median self-reported craving was significantly correlated with model-predicted smoking environment status (ρ = 0.894; P = .003). CONCLUSIONS AND RELEVANCE In this study, features of daily environments predicted smoking vs nonsmoking status consistently across participants. The findings suggest that a deep learning approach can identify environments associated with smoking, can predict the probability that any image of daily life represents a smoking environment, and can potentially trigger environment-based interventions. This work demonstrates a framework for predicting how daily environments may influence target behaviors or symptoms that may have broad applications in mental and physical health.
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Affiliation(s)
- Matthew M. Engelhard
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina
| | - Jason A. Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina
| | - Ricardo Henao
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina
| | - Matt Hallyburton
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina
| | - Lawrence E. Carin
- Department of Electrical and Computer Engineering, Duke University, Durham, North Carolina
| | - Cynthia Conklin
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - F. Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina
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Maynard OM, McClernon FJ, Oliver JA, Munafò MR. Using Neuroscience to Inform Tobacco Control Policy. Nicotine Tob Res 2019; 21:739-746. [PMID: 29590482 PMCID: PMC6528159 DOI: 10.1093/ntr/nty057] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 03/23/2018] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Techniques employed in the field of neuroscience, such as eye tracking, electroencephalography, and functional magnetic resonance imaging, have been important in informing our understanding of the cognitive mechanisms underlying tobacco smoking. These techniques are now increasingly being used to investigate the likely impact of tobacco control policies. AIMS AND METHODS In this narrative review, we outline the value of these methodological approaches in answering policy-relevant tobacco control research questions, with a particular focus on their use in examining the impact of standardized cigarette packaging and health warnings. We also examine the limitations of these methodologies and provide examples of how they can be used to answer other policy-relevant questions. RESULTS We argue that neuroscience techniques can provide more objective evidence of the impacts of policy measures, allow investigation where it is not possible to conduct behavioral manipulations, and facilitate a deeper understanding of the cognitive mechanisms underlying the impacts of tobacco control policies such as standardized packaging, health warnings, point-of-sale displays, and mass media campaigns. CONCLUSIONS Rather than replacing more traditional methods of examining tobacco control measures, such as observational experiments, surveys, and questionnaires, neuroscience techniques can complement and extend these methods. IMPLICATIONS Neuroscience techniques facilitate objective examination of the mechanisms underlying the impacts of tobacco control measures. These techniques can therefore complement and extend other methodologies typically used in this field, such as observational experiments, surveys, and questionnaires.
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Affiliation(s)
- Olivia M Maynard
- UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom
- MRC Integrative Epidemiology Unit (IEU), School of Experimental Psychology, University of Bristol, Bristol, United Kingdom
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC
| | - Jason A Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC
| | - Marcus R Munafò
- UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom
- MRC Integrative Epidemiology Unit (IEU), School of Experimental Psychology, University of Bristol, Bristol, United Kingdom
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25
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Domino EF, Hirasawa-Fujita M. Tobacco Smoking and Brain Endogenous Opioid Release: More Than Nicotine Alone. Nicotine Tob Res 2019; 21:772-777. [PMID: 29514324 PMCID: PMC6528147 DOI: 10.1093/ntr/nty039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Accepted: 03/02/2018] [Indexed: 11/13/2022]
Abstract
INTRODUCTION The effects of smoking denicotinized (denic) and average nicotine (avnic) tobacco cigarettes were studied on brain mu opioid receptor binding by positron emission tomography with 11C carfentanil. The results indicated the importance of physiological and psychological effects induced by denic smoking. METHODS Regional mu opioid binding potential (nondisplaceable binding potential, BPND) was measured in 20 adult male overnight abstinent chronic tobacco smokers. The denic sessions were conducted about 8:00 am followed by avnic sessions about 2 hours later. Venous plasma nicotine levels and scores of craving to smoke were assessed before and after each smoking session. Fagerstrom scores of nicotine dependence were determined. Pearson's and Spearman's correlation tests were used to examine associations between BPND and other smoking parameters. RESULTS Surprisingly, the very low plasma nicotine peak levels after denic smoking (mean ± SD: 3.3 ± 1.8 ng/mL) were significantly correlated with BPND after denic and avnic smoking. Equally surprising no association was found between nicotine levels after avnic smoking and BPND. Delta craving scores and Fagerstrom scores were correlated with both BPND after denic and avnic in several brain regions. CONCLUSIONS Very small amounts of nicotine, psychological and behavioral effects of denic smoking appear to have important actions on the endogenous mu opioid system. IMPLICATIONS Associations between very low venous plasma nicotine levels after denic smoking and regional brain mu opioid receptor availability are a surprising "placebo" effect. Delta craving and Fagerstrom scores were correlated with BPND in several brain regions including amygdala, hippocampus, insula, nucleus accumbens, putamen, and ventral striatum. This study is limited by modest Power (mean 1 - β = 0.6) for all correlation analyses.
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Affiliation(s)
- Edward F Domino
- Department of Pharmacology, University of Michigan, Ann Arbor, MI
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26
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Rivera PD, Simmons SJ, Reynolds RP, Just AL, Birnbaum SG, Eisch AJ. Image-guided cranial irradiation-induced ablation of dentate gyrus neurogenesis impairs extinction of recent morphine reward memories. Hippocampus 2019; 29:726-735. [PMID: 30779299 DOI: 10.1002/hipo.23071] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 12/10/2018] [Accepted: 12/17/2018] [Indexed: 12/25/2022]
Abstract
Dentate gyrus adult neurogenesis is implicated in the formation of hippocampal-dependent contextual associations. However, the role of adult neurogenesis during reward-based context-dependent paradigms-such as conditioned place preference (CPP)-is understudied. Therefore, we used image-guided, hippocampal-targeted X-ray irradiation (IG-IR) and morphine CPP to explore whether dentate gyrus adult neurogenesis plays a role in reward memories created in adult C57BL/6J male mice. In addition, as adult neurogenesis appears to participate to a greater extent in retrieval and extinction of recent (<48 hr posttraining) versus remote (>1 week posttraining) memories, we specifically examined the role of adult neurogenesis in reward-associated contextual memories probed at recent and remote timepoints. Six weeks post-IG-IR or Sham treatment, mice underwent morphine CPP. Using separate groups, retrieval of recent and remote reward memories was found to be similar between IG-IR and Sham treatments. Interestingly, IG-IR mice showed impaired extinction-or increased persistence-of the morphine-associated reward memory when it was probed 24-hr (recent) but not 3-weeks (remote) postconditioning relative to Sham mice. Taken together, these data show that hippocampal-directed irradiation and the associated decrease in dentate gyrus adult neurogenesis affect the persistence of recently-but not remotely-probed reward memory. These data indicate a novel role for adult neurogenesis in reward-based memories and particularly the extinction rate of these memories. Consideration of this work may lead to better understanding of extinction-based behavioral interventions for psychiatric conditions characterized by dysregulated reward processing.
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Affiliation(s)
- Phillip D Rivera
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, Texas
| | - Steven J Simmons
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Ryan P Reynolds
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, Texas.,Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Alanna L Just
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, Texas
| | - Shari G Birnbaum
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, Texas
| | - Amelia J Eisch
- Department of Psychiatry, UT Southwestern Medical Center, Dallas, Texas.,Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.,Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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Conklin CA, McClernon FJ, Vella EJ, Joyce CJ, Salkeld RP, Parzynski CS, Bennett L. Combined Smoking Cues Enhance Reactivity and Predict Immediate Subsequent Smoking. Nicotine Tob Res 2019; 21:241-248. [PMID: 29370401 PMCID: PMC6329405 DOI: 10.1093/ntr/nty009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 01/17/2018] [Indexed: 11/13/2022]
Abstract
Introduction Cue reactivity (CR) research has reliably demonstrated robust cue-induced responding among smokers exposed to common proximal smoking cues (eg, cigarettes, lighter). More recent work demonstrates that distal stimuli, most notably the actual environments in which smoking previously occurred, can also gain associative control over craving. In the real world, proximal cues always occur within an environment; thus, a more informative test of how cues affect smokers might be to present these two cue types simultaneously. Methods Using a combined-cue counterbalanced CR paradigm, the present study tested the impact of proximal (smoking and neutral) + personal environment (smoking and nonsmoking places) pictorial cues, on smokers' subjective and behavioral CR; as well as the extent to which cue-induced craving predicts immediate subsequent smoking in a within-subjects design. Results As anticipated, the dual smoking cue combination (ProxS + EnvS) led to the greatest cue-induced craving relative to the other three cue combinations (ProxS + EnvN, ProxN + EnvS, and ProxN ± EnvN), ps < .004. Dual smoking cues also led to significantly shorter post-trial latencies to smoke, ps < .01. Overall CR difference score (post-trial craving minus baseline craving) was predictive of subsequent immediate smoking indexed by: post-trial latency to smoke [B = -2.69, SE = 9.02; t(143) = -2.98, p = .003]; total puff volume [B = 2.99, SE = 1.13; t(143) = 2.65, p = .009]; and total number of puffs [B = .053, SE = .027; t(143) = 1.95, p = .05]. Conclusions The implications of these findings for better understanding the impact of cues on smoking behavior and cessation are discussed. Implications This novel cue reactivity study examined smokers' reactivity to combined proximal and distal smoking cues. Exposure to a combination of two smoking cues (proximal and environment) led to the greatest increases in cue-induced craving and smoking behavior compared to all other cue combinations. Further, the overall magnitude of cue-induced craving was found to significantly predict immediate subsequent smoking. This work provides new insight on how exposure to various cues and cue combinations directly affect smokers' craving and actual smoking behavior, as well as the relationship between those two indices of reactivity.
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Affiliation(s)
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, NC
| | - Elizabeth J Vella
- Department of Psychology, University of Southern Maine, Portland, ME
| | | | - Ronald P Salkeld
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA
| | | | - Lee Bennett
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA
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Shen Z, Huang P, Wang C, Qian W, Luo X, Gu Q, Chen H, Wang H, Yang Y, Zhang M. Interactions between monoamine oxidase A rs1137070 and smoking on brain structure and function in male smokers. Eur J Neurosci 2018; 50:2201-2210. [PMID: 30456877 DOI: 10.1111/ejn.14282] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 10/29/2018] [Accepted: 11/01/2018] [Indexed: 11/28/2022]
Abstract
The monoamine oxidase A (MAOA) enzyme metabolizes monoamine neurotransmitters such as dopamine, serotonin and norepinephrine, and its genetic polymorphism (rs1137070) influences its activity level and is associated with smoking behaviors. However, the underlying neural mechanisms of the gene × environment interactions remain largely unknown. In this study, we aimed to explore the interactive effects of the rs1137070 and cigarette smoking on gray matter volume (GMV) and functional connectivity strength (FCS). A total of 81 smokers and 42 nonsmokers were enrolled in the present study. Voxel-based morphometry analysis showed a significant rs1137070 genotype × smoking effect on the GMV of the left orbitofrontal cortex (OFC), such that individuals with risk allele had greater GMV among nonsmokers but not smokers. Meanwhile, rs1137070 variant and nicotine dependence interactively altered the FCS of the right hippocampus, the left inferior parietal lobule (IPL), the left dorsolateral prefrontal cortex and bilateral OFC. In addition, the FCS in the left IPL was correlated with smoking initiation and smoking years in smokers with the risk allele. These findings suggest that MAOA rs1137070 contributes to the susceptibility to nicotine dependence through its influence on brain circuits involved in reward and attention, and interacts with smoking in the progression.
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Affiliation(s)
- Zhujing Shen
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Peiyu Huang
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Chao Wang
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Wei Qian
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Xiao Luo
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Quanquan Gu
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
| | - Huan Chen
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, China
| | - Hongjuan Wang
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, China
| | - Yihong Yang
- Neuroimaging Research Branch, National Institute on Drug Abuse, National Institutes of Health, Baltimore, MD, USA
| | - Minming Zhang
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, No. 88 Jiefang Road, Hangzhou, Zhejiang, 310009, China
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Generation of silent synapses in dentate gyrus correlates with development of alcohol addiction. Neuropsychopharmacology 2018; 43:1989-1999. [PMID: 29967367 PMCID: PMC6098144 DOI: 10.1038/s41386-018-0119-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 05/29/2018] [Accepted: 06/05/2018] [Indexed: 12/20/2022]
Abstract
The brain circuits and synaptic processes that underlie alcohol addiction are currently the subject of intensive research. Here we focus on hippocampal circuitry and show that chemogenetic inhibition of dentate gyrus (DG) during presentation of alcohol-associated cues has long-lasting effects on mice behavior. DG inhibition enhances alcohol seeking and drinking, suggesting that DG regulates addiction-related behaviors. To test this hypothesis, we perform whole-cell patch-clamp recordings from the granule cells of DG and look for electrophysiological correlates of alcohol addiction. We observe that presentation of alcohol-associated cue light that induces relapse to alcohol-seeking results in generation of silent synapses, that lack functional AMPA receptors. Furthermore, using human criteria of addiction, we differentiate mice controlling their alcohol consumption from those that undergo transition to addiction to discover that the levels of silent synapses induced by alcohol cues are specifically increased in the addicted mice. As the total level of dendritic spines that harbor synapses is constant at this time point, our data indicate that synapses of perforant path to DG are weakened during cue relapse. Finally we demonstrate that, acamprosate, a drug that limits alcohol drinking and seeking in addicts, prevents generation of silent synapses in DG upon presentation of alcohol-associated cues. Altogether, our data suggest that weakening of DG synapses upon cue relapse contributes to persistent alcohol addiction-related behaviors.
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Engelhard M, Xu H, Carin L, Oliver JA, Hallyburton M, McClernon FJ. Predicting Smoking Events with a Time-Varying Semi-Parametric Hawkes Process Model. PROCEEDINGS OF MACHINE LEARNING RESEARCH 2018; 85:312-331. [PMID: 30899917 PMCID: PMC6424486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Health risks from cigarette smoking - the leading cause of preventable death in the United States - can be substantially reduced by quitting. Although most smokers are motivated to quit, the majority of quit attempts fail. A number of studies have explored the role of self-reported symptoms, physiologic measurements, and environmental context on smoking risk, but less work has focused on the temporal dynamics of smoking events, including daily patterns and related nicotine effects. In this work, we examine these dynamics and improve risk prediction by modeling smoking as a self-triggering process, in which previous smoking events modify current risk. Specifically, we fit smoking events self-reported by 42 smokers to a time-varying semi-parametric Hawkes process (TV-SPHP) developed for this purpose. Results show that the TV-SPHP achieves superior prediction performance compared to related and existing models, with the incorporation of time-varying predictors having greatest benefit over longer prediction windows. Moreover, the impact function illustrates previously unknown temporal dynamics of smoking, with possible connections to nicotine metabolism to be explored in future work through a randomized study design. By more effectively predicting smoking events and exploring a self-triggering component of smoking risk, this work supports development of novel or improved cessation interventions that aim to reduce death from smoking.
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Affiliation(s)
- Matthew Engelhard
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Hongteng Xu
- Department of Electrical and Computer Engineering, Duke University, InfiniaML, Inc., Durham, NC, USA
| | - Lawrence Carin
- Department of Electrical and Computer Engineering, Duke University, Durham, NC, USA
| | - Jason A Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - Matthew Hallyburton
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA
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Arguello AA, Wang R, Lyons CM, Higginbotham JA, Hodges MA, Fuchs RA. Role of the agranular insular cortex in contextual control over cocaine-seeking behavior in rats. Psychopharmacology (Berl) 2017; 234:2431-2441. [PMID: 28462472 PMCID: PMC5538945 DOI: 10.1007/s00213-017-4632-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 04/15/2017] [Indexed: 11/30/2022]
Abstract
RATIONALE Environmental stimulus control over drug relapse requires the retrieval of context-response-cocaine associations, maintained in long-term memory through active reconsolidation processes. Identifying the neural substrates of these phenomena is important from a drug addiction treatment perspective. OBJECTIVES The present study evaluated whether the agranular insular cortex (AI) plays a role in drug context-induced cocaine-seeking behavior and cocaine memory reconsolidation. METHODS Rats were trained to lever press for cocaine infusions in a distinctive context, followed by extinction training in a different context. Rats in experiment 1 received bilateral microinfusions of vehicle or a GABA agonist cocktail (baclofen and muscimol (BM)) into the AI or the overlying somatosensory cortex (SSJ, anatomical control region) immediately before a test of drug-seeking behavior (i.e., non-reinforced lever presses) in the previously cocaine-paired context. The effects of these manipulations on locomotor activity were also assessed in a novel context. Rats in experiment 2 received vehicle or BM into the AI after a 15-min reexposure to the cocaine-paired context, intended to reactivate context-response-cocaine memories and initiate their reconsolidation. The effects of these manipulations on drug context-induced cocaine-seeking behavior were assessed 72 h later. RESULTS BM-induced pharmacological inactivation of the AI, but not the SSJ, attenuated drug context-induced reinstatement of cocaine-seeking behavior without altering locomotor activity. Conversely, AI inactivation after memory reactivation failed to impair subsequent drug-seeking behavior and thus cocaine memory reconsolidation. CONCLUSIONS These findings suggest that the AI is a critical element of the neural circuitry that mediates contextual control over cocaine-seeking behavior.
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Affiliation(s)
- Amy A. Arguello
- Department of Psychology, Michigan State University, East Lansing, MI, 48824, USA
| | - Rong Wang
- Integrative Physiology and Neuroscience, Washington State University, VBRB #231 Pullman, WA, 99164-7620, USA
| | - Carey M. Lyons
- Integrative Physiology and Neuroscience, Washington State University, VBRB #231 Pullman, WA, 99164-7620, USA
| | - Jessica A. Higginbotham
- Integrative Physiology and Neuroscience, Washington State University, VBRB #231 Pullman, WA, 99164-7620, USA
| | - Matthew A. Hodges
- Integrative Physiology and Neuroscience, Washington State University, VBRB #231 Pullman, WA, 99164-7620, USA
| | - Rita A. Fuchs
- Integrative Physiology and Neuroscience, Washington State University, VBRB #231 Pullman, WA, 99164-7620, USA,Corresponding Author: Dr. Rita A. Fuchs, Washington State University, College of Veterinary Medicine, Integrative Physiology and Neuroscience, P.O. Box 647620, Pullman, WA 99164-7620, USA, Phone: 509-335-6164, Fax: 509-335-4650,
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Stevenson JG, Oliver JA, Hallyburton MB, Sweitzer MM, Conklin CA, McClernon FJ. Smoking environment cues reduce ability to resist smoking as measured by a delay to smoking task. Addict Behav 2017; 67:49-52. [PMID: 28012965 PMCID: PMC5478924 DOI: 10.1016/j.addbeh.2016.12.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 11/22/2016] [Accepted: 12/15/2016] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Environments associated with smoking may promote lapse and relapse in smokers attempting to quit. Here we examined the effects of exposure to visual smoking environment cues on smoking urge and the ability to resist smoking, as measured with a delay-to-smoking task in which monetary contingencies are provided for resisting smoking. METHODS Adult daily smokers (n=22) completed two experimental sessions, each following 6h smoking abstinence. Sessions differed only in the type of cue participants were exposed to (smoking environments vs. nonsmoking environments). Participants completed subjective ratings of smoking urge, withdrawal and other reactions (i.e. craving, affect). Behavioral outcomes on the delay-to-smoking task included latency to first cigarette, number of cigarettes smoked and average number of puffs per cigarette. RESULTS Across cue exposure sessions, 64% of participants initiated smoking (no effect of condition was observed). However, exposure to smoking environments as compared to the nonsmoking environments resulted in greater craving, faster initiation of smoking, and more smoked cigarettes. Greater craving was associated with a shorter time to initiate smoking, but this effect did not differ across sessions. In contrast, withdrawal was more strongly associated with number of cigarettes smoked during smoking environment sessions. CONCLUSION Together, these results suggest smoking environments increase smoking urge and promote smoking behavior. Further research is necessary to examine the specific and interactive effects of smoking-related environments on real-world smoking lapse and relapse.
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Affiliation(s)
- Jennifer G Stevenson
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27705, United States.
| | - Jason A Oliver
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27705, United States
| | - Matthew B Hallyburton
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27705, United States
| | - Maggie M Sweitzer
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27705, United States
| | - Cynthia A Conklin
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, United States
| | - F Joseph McClernon
- Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC 27705, United States
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Nicotine increases anterior insula activation to expected and unexpected outcomes among nonsmokers. Psychopharmacology (Berl) 2017; 234:1145-1154. [PMID: 28190083 PMCID: PMC5986178 DOI: 10.1007/s00213-017-4550-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 01/26/2017] [Indexed: 12/30/2022]
Abstract
RATIONALE Tobacco has a higher rate of dependence than other drugs of abuse. However, the psychopharmacological effects of nicotine are incongruent with the tenacity of tobacco addiction since nicotine does not produce robust euphoria in humans or self-administration in rodents. A potential explanation is that nicotine amplifies the salience of other stimuli that have some incentive value, which could influence the initiation and persistence of smoking. However, the neural mechanisms of this process are unknown. OBJECTIVES One way that nicotine may amplify the salience of other stimuli is by enhancing reward prediction errors. We hypothesized that nicotine would enhance the neural response to unexpected (relative to expected) rewards compared to placebo. METHODS Twenty-three nonsmokers underwent two fMRI scans, following nicotine (1 mg) or placebo administration, while performing an outcome expectation task. In the task, a pair of cues was associated with either a subsequent reward (the image of a $100 bill) or a nonreward (the image of a blurry rectangle). On 20% of trials, the cue was followed by an unexpected outcome. RESULTS Although nicotine did not affect the magnitude of prediction errors relative to placebo, nicotine did increase BOLD activation in the anterior insula/inferior frontal gyrus and decrease activation in the caudate across all outcome types (including both rewards and nonrewards). CONCLUSIONS The insula and caudate could play a role in the initial effects of nicotine in nonsmokers, and these changes in baseline may be the mechanism that underlies how nicotine amplifies the salience of nondrug stimuli.
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Hauser SR, Deehan GA, Knight CP, Toalston JE, McBride WJ, Rodd ZA. Parameters of Context-Induced Ethanol (EtOH)-Seeking in Alcohol-Preferring (P) Rats: Temporal Analysis, Effects of Repeated Deprivation, and EtOH Priming Injections. Alcohol Clin Exp Res 2016; 40:2229-2239. [PMID: 27696522 PMCID: PMC5055075 DOI: 10.1111/acer.13205] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 07/27/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND Drug-paired environments can act as stimuli that elicit drug craving. In humans, drug craving is influenced by the amount of time abstinent, number of past periods of abstinence, and inadvertent exposure to the previously abused drug. The current experiments were designed to determine the effects of (i) the duration of abstinence on expression of ethanol (EtOH)-seeking; (ii) EtOH priming following a short and long abstinence period; and (iii) repeated deprivation cycles on relapse drinking and EtOH-seeking. METHODS Rats were allowed to self-administer 15% EtOH, processed through extinction training, maintained in a home cage for a designated EtOH-free period, and then reintroduced to the operant context in the absence of EtOH. The experiments examined the effects of: (i) various home-cage duration periods (1 to 8 weeks), (ii) priming injections of EtOH in the Pavlovian spontaneous recovery (PSR; 14 days after extinction) and reinstatement of responding (RoR; 1 day after extinction) models, and (iii) exposure to repeated cycles of EtOH access-deprivation on relapse drinking and EtOH-seeking behavior. RESULTS Highest expression of EtOH-seeking was observed following 6 weeks of home-cage maintenance. Priming injections of EtOH were more efficacious at stimulating/enhancing EtOH-seeking in the PSR than RoR model. Exposure to repeated cycles of EtOH deprivation and access enhanced and prolonged relapse drinking and the expression of EtOH-seeking (318 ± 22 responses), which was not observed in rats given equivalent consistent exposure to EtOH (66 ± 11 responses). CONCLUSIONS Overall, the data indicated that the PSR model has ecological validity; factors that enhance EtOH craving in humans enhance the expression of EtOH-seeking in the PSR test. The data also detail factors that need to be examined to determine the biological basis of EtOH-seeking (e.g., neuroadaptations that occur during the incubation period and following repeated cycles of EtOH drinking and abstinence).
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Affiliation(s)
- Sheketha R Hauser
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana.
| | - Gerald A Deehan
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana
| | - Christopher P Knight
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana
| | - Jamie E Toalston
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana
| | - William J McBride
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana
| | - Zachary A Rodd
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, Indiana
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Garrison KA, Sinha R, Lacadie CM, Scheinost D, Jastreboff AM, Constable RT, Potenza MN. Functional Connectivity During Exposure to Favorite-Food, Stress, and Neutral-Relaxing Imagery Differs Between Smokers and Nonsmokers. Nicotine Tob Res 2016; 18:1820-9. [PMID: 26995796 PMCID: PMC4978981 DOI: 10.1093/ntr/ntw088] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 03/09/2016] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Tobacco-use disorder is a complex condition involving multiple brain networks and presenting with multiple behavioral correlates including changes in diet and stress. In a previous functional magnetic resonance imaging (fMRI) study of neural responses to favorite-food, stress, and neutral-relaxing imagery, smokers versus nonsmokers demonstrated blunted corticostriatal-limbic responses to favorite-food cues. Based on other recent reports of alterations in functional brain networks in smokers, the current study examined functional connectivity during exposure to favorite-food, stress, and neutral-relaxing imagery in smokers and nonsmokers, using the same dataset. METHODS The intrinsic connectivity distribution was measured to identify brain regions that differed in degree of functional connectivity between groups during each imagery condition. Resulting clusters were evaluated for seed-to-voxel connectivity to identify the specific connections that differed between groups during each imagery condition. RESULTS During exposure to favorite-food imagery, smokers versus nonsmokers showed lower connectivity in the supramarginal gyrus, and differences in connectivity between the supramarginal gyrus and the corticostriatal-limbic system. During exposure to neutral-relaxing imagery, smokers versus nonsmokers showed greater connectivity in the precuneus, and greater connectivity between the precuneus and the posterior insula and rolandic operculum. During exposure to stress imagery, smokers versus nonsmokers showed lower connectivity in the cerebellum. CONCLUSIONS These findings provide data-driven insights into smoking-related alterations in brain functional connectivity patterns related to appetitive, relaxing, and stressful states. IMPLICATIONS This study uses a data-driven approach to demonstrate that smokers and nonsmokers show differential patterns of functional connectivity during guided imagery related to personalized favorite-food, stress, and neutral-relaxing cues, in brain regions implicated in attention, reward-related, emotional, and motivational processes. For smokers, these differences in connectivity may impact appetite, stress, and relaxation, and may interfere with smoking cessation.
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Affiliation(s)
| | - Rajita Sinha
- Department of Psychiatry, Child Study Center, and Neurobiology, Yale School of Medicine, New Haven, CT
| | - Cheryl M Lacadie
- Department of Diagnostic Radiology, Yale School of Medicine, New Haven, CT
| | - Dustin Scheinost
- Department of Diagnostic Radiology, Yale School of Medicine, New Haven, CT
| | - Ania M Jastreboff
- Department of Internal Medicine, Division of Endocrinology, and Department of Pediatrics, Division of Pediatric Endocrinology, Yale School of Medicine, New Haven, CT
| | - R Todd Constable
- Department of Diagnostic Radiology, Yale School of Medicine, New Haven, CT
| | - Marc N Potenza
- Department of Psychiatry and Child Study Center, Neurobiology, and CASA Columbia, Yale School of Medicine, and Connecticut Mental Health Center, New Haven, CT
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