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Borzooee B, Aghayan S, Hassani-Abharian P, Emamian MH. Effect of Transcranial Direct Current Stimulation on Craving, Cognitive Functions, and Serum Brain-Derived Neurotrophic Factor Level in Individuals on Maintenance Treatment for Opioid Use Disorder, A Randomized Sham-Controlled Trial. J ECT 2024:00124509-990000000-00184. [PMID: 38981034 DOI: 10.1097/yct.0000000000001046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
OBJECTIVES To investigate the effects of transcranial direct current stimulation (tDCS) on brain-derived neurotrophic factor (BDNF) levels, craving, and executive functions in individuals on maintenance treatment for opioid use. METHODS We randomized 70 right-handed men aged 18-55 years into 2 groups: the intervention group and the sham group. The intervention was 10 sessions of 2 mA stimulation over 5 days. Each session in the sham group ended after 30 seconds. Craving was measured using the Desire for Drug Questionnaire (DDQ), Obsessive Compulsive Drug Use Scale (OCDUS), and visual analog scale (VAS). The measurements were taken before and after the intervention, as well as 2 months later. BDNF was measured before and after the intervention. Repeated-measures analysis of variance, the generalized estimating equation model, and independent t test were used for data analysis. RESULTS The mean differences (95% confidence intervals) in pre and post craving scores in the intervention group were (12.71 [9.10 to 16.32], P = 0.167) for VAS, (1.54 [1.12 to 1.96], P = 0.012) for OCDUS, and (1.71 [1.27 to 2.15], P = 0.125) for DDQ. These measures in the control group were -0.44 (-1.19 to 0.30), 0.01 (-0.21 to 0.23), and 0.126 (-0.11 to 0.36), respectively. BDNF serum levels significantly increased after the intervention (difference, 0.84 [0.69 to 0.99], P < 0.001); however, this change was not significant in the generalized estimating equation model. The effect of tDCS on craving was significant in OCDUS, but not significant in VAS and DDQ. CONCLUSIONS The tDCS reduces craving and improves executive functions in the short term. BDNF serum level was not associated with tDCS.
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Affiliation(s)
| | - Shahrokh Aghayan
- Center for Health Related Social and Behavioral Sciences Research, Shahroud University of Medical Sciences, Shahroud
| | - Peyman Hassani-Abharian
- Department of Cognitive Psychology and Cognitive Rehabilitation, Institute for Cognitive Science Studies, Tehran
| | - Mohammad Hassan Emamian
- Ophthalmic Epidemiology Research Center, Shahroud University of Medical Sciences, Shahroud, Iran
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2
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Ivanov I, Krone B, Schulz K, Shaik RB, Parvaz MA, Newcorn JH. Effects of Stimulant Treatment on Changes in Brain Activation During Reward Notifications in Drug Naïve Youth With ADHD. J Atten Disord 2024; 28:847-860. [PMID: 38293912 DOI: 10.1177/10870547231219762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
BACKGROUND Research examining the potential effects of stimulant exposure in childhood on subsequent development of substance use disorder (SUD) have focused on differences in the brain reward system as a function of risk. METHODS 18 drug naïve children ages 7 to 12 years (11 High Risk [ADHD + ODD/CD]; 7 Low Risk [ADHD only]), underwent fMRI scans before and after treatment with mixed amphetamine salts, extended release (MAS-XR). We examined correlations between clinical ratings and fMRI activation at baseline and following treatment as a function of risk status. RESULTS High Risk children had higher activation than Low Risk children at baseline during both the Reward and Surprising Non-Reward conditions. Treatment produced strong differential effects on brain activation pertinent to group and reward outcome. CONCLUSIONS Findings support the hypothesized role of reward mechanisms in SUD risk, and suggest that stimulant treatment may have differential effects on reward processing in relation to SUD risk.
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Affiliation(s)
- Iliyan Ivanov
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Beth Krone
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kurt Schulz
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Riaz B Shaik
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
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3
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Reynolds LM, Hernandez G, MacGowan D, Popescu C, Nouel D, Cuesta S, Burke S, Savell KE, Zhao J, Restrepo-Lozano JM, Giroux M, Israel S, Orsini T, He S, Wodzinski M, Avramescu RG, Pokinko M, Epelbaum JG, Niu Z, Pantoja-Urbán AH, Trudeau LÉ, Kolb B, Day JJ, Flores C. Amphetamine disrupts dopamine axon growth in adolescence by a sex-specific mechanism in mice. Nat Commun 2023; 14:4035. [PMID: 37419977 PMCID: PMC10329029 DOI: 10.1038/s41467-023-39665-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 06/21/2023] [Indexed: 07/09/2023] Open
Abstract
Initiating drug use during adolescence increases the risk of developing addiction or other psychopathologies later in life, with long-term outcomes varying according to sex and exact timing of use. The cellular and molecular underpinnings explaining this differential sensitivity to detrimental drug effects remain unexplained. The Netrin-1/DCC guidance cue system segregates cortical and limbic dopamine pathways in adolescence. Here we show that amphetamine, by dysregulating Netrin-1/DCC signaling, triggers ectopic growth of mesolimbic dopamine axons to the prefrontal cortex, only in early-adolescent male mice, underlying a male-specific vulnerability to enduring cognitive deficits. In adolescent females, compensatory changes in Netrin-1 protect against the deleterious consequences of amphetamine on dopamine connectivity and cognitive outcomes. Netrin-1/DCC signaling functions as a molecular switch which can be differentially regulated by the same drug experience as function of an individual's sex and adolescent age, and lead to divergent long-term outcomes associated with vulnerable or resilient phenotypes.
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Affiliation(s)
- Lauren M Reynolds
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
- Plasticité du Cerveau CNRS UMR8249, École supérieure de physique et de chimie industrielles de la Ville de Paris (ESPCI Paris), Paris, France
| | | | - Del MacGowan
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Christina Popescu
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Dominique Nouel
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Santiago Cuesta
- Douglas Mental Health University Institute, Montréal, QC, Canada
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ, USA
| | - Samuel Burke
- CNS Research Group, Department of Pharmacology and Physiology, Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Katherine E Savell
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Janet Zhao
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Jose Maria Restrepo-Lozano
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Michel Giroux
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Sonia Israel
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Taylor Orsini
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Susan He
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | | | - Radu G Avramescu
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Matthew Pokinko
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Julia G Epelbaum
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Zhipeng Niu
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Andrea Harée Pantoja-Urbán
- Integrated Program in Neuroscience, McGill University, Montréal, QC, Canada
- Douglas Mental Health University Institute, Montréal, QC, Canada
| | - Louis-Éric Trudeau
- CNS Research Group, Department of Pharmacology and Physiology, Department of Neurosciences, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada
| | - Bryan Kolb
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, AB, Canada
| | - Jeremy J Day
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Cecilia Flores
- Douglas Mental Health University Institute, Montréal, QC, Canada.
- Department of Psychiatry and Department of Neurology and Neurosurgery, McGill University, Montréal, Canada.
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Gasparyan A, Maldonado Sanchez D, Navarrete F, Sion A, Navarro D, García-Gutiérrez MS, Rubio Valladolid G, Jurado Barba R, Manzanares J. Cognitive Alterations in Addictive Disorders: A Translational Approach. Biomedicines 2023; 11:1796. [PMID: 37509436 PMCID: PMC10376598 DOI: 10.3390/biomedicines11071796] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 07/30/2023] Open
Abstract
The cognitive decline in people with substance use disorders is well known and can be found during both the dependence and drug abstinence phases. At the clinical level, cognitive decline impairs the response to addiction treatment and increases dropout rates. It can be irreversible, even after the end of drug abuse consumption. Improving our understanding of the molecular and cellular alterations associated with cognitive decline could be essential to developing specific therapeutic strategies for its treatment. Developing animal models to simulate drug abuse-induced learning and memory alterations is critical to continue exploring this clinical situation. The main aim of this review is to summarize the most recent evidence on cognitive impairment and the associated biological markers in patients addicted to some of the most consumed drugs of abuse and in animal models simulating this clinical situation. The available information suggests the need to develop more studies to further explore the molecular alterations associated with cognitive impairment, with the ultimate goal of developing new potential therapeutic strategies.
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Affiliation(s)
- Ani Gasparyan
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | | | - Francisco Navarrete
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - Ana Sion
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Faculty of Psychology, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Daniela Navarro
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - María Salud García-Gutiérrez
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - Gabriel Rubio Valladolid
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Department of Psychiatry, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Rosa Jurado Barba
- Instituto de Investigación i+12, Hospital Universitario 12 de Octubre, 28041 Madrid, Spain
- Faculty of Health, Universidad Camilo José Cela, 28001 Madrid, Spain
| | - Jorge Manzanares
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Avda de Ramón y Cajal s/n, 03550 San Juan de Alicante, Spain
- Redes de Investigación Cooperativa Orientada a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
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Elton A, Allen JH, Yorke M, Khan F, Xu P, Boettiger CA. Sex moderates family history of alcohol use disorder and childhood maltreatment effects on an fMRI stop-signal task. Hum Brain Mapp 2023; 44:2436-2450. [PMID: 36722505 PMCID: PMC10028663 DOI: 10.1002/hbm.26221] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 11/15/2022] [Accepted: 01/15/2023] [Indexed: 02/02/2023] Open
Abstract
Childhood maltreatment (CM) and a family history (FH) of alcohol use disorder (AUD) are each associated with increased impulsivity. However, their unique or shared brain targets remain unknown. Furthermore, both CM and FH demonstrate sex-dependent effects on brain and behavior. We hypothesized that CM and FH interact in brain regions involved in impulsivity with sex-dependent effects. 144 first-year college students (18-19 years old) with varying experiences of CM and/or FH but without current AUD performed an fMRI stop-signal task. We tested interactions between FH, CM, and sex on task performance and blood oxygen level-dependent (BOLD) signal during successful inhibitions. We examined correlations between BOLD response and psychiatric symptoms. Significant three-way interactions of FH, CM, and sex were detected for brain and behavioral data, largely driven by male subjects. In males, CM was associated with poorer response inhibition but only for those with less FH; males with higher levels of both CM and FH demonstrated better response inhibition. Three-way interaction effects on voxel-wise BOLD response during response inhibition were found in bilateral middle frontal gyrus, left inferior frontal gyrus, dorsomedial prefrontal cortex, and posterior cingulate cortex. Network-level analyses implicated the left frontoparietal network, executive control network, and default-mode network. Greater BOLD response in these networks correlated with lower depressive, impulsive, and attentional symptoms, reduced alcohol misuse, greater resilience scores, and heightened trait anxiety. The results highlight sex-divergent effects of heritable and environmental risk factors that may account for sex-dependent expression of psychopathology in response to risk factors.
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Affiliation(s)
- Amanda Elton
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
- Bowles Center for Alcohol StudiesUniversity of North CarolinaChapel HillNorth CarolinaUSA
- Biomedical Research Imaging CenterUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - John Hunter Allen
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Mya Yorke
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Farhan Khan
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Peng Xu
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
| | - Charlotte A. Boettiger
- Department of Psychology and NeuroscienceUniversity of North CarolinaChapel HillNorth CarolinaUSA
- Bowles Center for Alcohol StudiesUniversity of North CarolinaChapel HillNorth CarolinaUSA
- Biomedical Research Imaging CenterUniversity of North CarolinaChapel HillNorth CarolinaUSA
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6
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Weigard A, Matzke D, Tanis C, Heathcote A. A cognitive process modeling framework for the ABCD study stop-signal task. Dev Cogn Neurosci 2023; 59:101191. [PMID: 36603413 PMCID: PMC9826813 DOI: 10.1016/j.dcn.2022.101191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/07/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
The Adolescent Brain Cognitive Development (ABCD) Study is a longitudinal neuroimaging study of unprecedented scale that is in the process of following over 11,000 youth from middle childhood though age 20. However, a design feature of the study's stop-signal task violates "context independence", an assumption critical to current non-parametric methods for estimating stop-signal reaction time (SSRT), a key measure of inhibitory ability in the study. This has led some experts to call for the task to be changed and for previously collected data to be used with caution. We present a cognitive process modeling framework, the RDEX-ABCD model, that provides a parsimonious explanation for the impact of this design feature on "go" stimulus processing and successfully accounts for key behavioral trends in the ABCD data. Simulation studies using this model suggest that failing to account for the context independence violations in the ABCD design can lead to erroneous inferences in several realistic scenarios. However, we demonstrate that RDEX-ABCD effectively addresses these violations and can be used to accurately measure SSRT along with an array of additional mechanistic parameters of interest (e.g., attention to the stop signal, cognitive efficiency), advancing investigators' ability to draw valid and nuanced inferences from ABCD data. AVAILABILITY OF DATA AND MATERIALS: Data from the ABCD Study are available through the NIH Data Archive (NDA): nda.nih.gov/abcd. Code for all analyses featured in this study is openly available on the Open Science Framework (OSF): osf.io/2h8a7/.
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Affiliation(s)
| | - Dora Matzke
- Department of Psychology, University of Amsterdam, the Netherlands
| | - Charlotte Tanis
- Department of Psychology, University of Amsterdam, the Netherlands
| | - Andrew Heathcote
- Department of Psychology, University of Amsterdam, the Netherlands; School of Psychology, the University of Newcastle, Australia
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7
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Ho RLM, Wang WE, van der Veen SM, Antony A, Thomas JS, Coombes SA. Neurophysiology of movement inhibition during full body reaching. Sci Rep 2022; 12:15604. [PMID: 36114252 PMCID: PMC9481520 DOI: 10.1038/s41598-022-18677-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 08/17/2022] [Indexed: 01/22/2023] Open
Abstract
Our current understanding of response inhibition comes from go/no-go studies that draw conclusions based on the overt movement of single limbs (i.e., a single finger pushing a button). In general, go/no-go paradigms have found that an individual's ability to correctly inhibit the motor system is indicative of a healthy central nervous system. However, measuring inhibition by an overt behavioral response may lack the sensitivity to conclude whether the motor system is completely inhibited. Therefore, our goal was to use behavioral and neurophysiological measures to investigate inhibition of the motor system during a full-body reaching task. When directly comparing neurophysiological and behavioral measures, we found that neurophysiological measures were associated with a greater number of errors during no-go trials and faster onset times during go trials. Further analyses revealed a negative correlation between errors and onset times, such that the muscles that activated the earliest during go trials also had the greatest number of errors during no-go trials. Together, our observations show that the absence of an overt behavioral response does not always translate to total inhibition of the motor system.
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Affiliation(s)
- Rachel L. M. Ho
- grid.15276.370000 0004 1936 8091Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, P.O. Box 118205, Gainesville, FL 32611-8205 USA
| | - Wei-en Wang
- grid.15276.370000 0004 1936 8091Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, P.O. Box 118205, Gainesville, FL 32611-8205 USA
| | - Susanne M. van der Veen
- grid.224260.00000 0004 0458 8737Department of Physical Therapy, Virginia Commonwealth University, VCU College of Health Professions, 900 E. Leigh, Street Box 980233, Richmond, VA 23298 USA
| | - Ajay Antony
- grid.489160.20000 0004 0616 3652The Orthopedic Institute, 4500 W Newberry Road, Gainesville, FL 32607 USA
| | - James S. Thomas
- grid.224260.00000 0004 0458 8737Department of Physical Therapy, Virginia Commonwealth University, VCU College of Health Professions, 900 E. Leigh, Street Box 980233, Richmond, VA 23298 USA
| | - Stephen A. Coombes
- grid.15276.370000 0004 1936 8091Laboratory for Rehabilitation Neuroscience, Department of Applied Physiology and Kinesiology, University of Florida, P.O. Box 118205, Gainesville, FL 32611-8205 USA
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8
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Brown S, Fite PJ, Bortolato M. The mediating role of impulsivity in the associations between child maltreatment types and past month substance use. CHILD ABUSE & NEGLECT 2022; 128:105591. [PMID: 35306342 PMCID: PMC9119917 DOI: 10.1016/j.chiabu.2022.105591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 03/02/2022] [Accepted: 03/09/2022] [Indexed: 06/03/2023]
Abstract
BACKGROUND Child maltreatment has emerged as an important risk factor for substance use. However, despite evidence consistently demonstrating that substance use peaks during emerging adulthood, less is known about the specificity of maltreatment effects on substance use during this critical developmental period. Further, the factors that might play a role in these associations are not well understood. OBJECTIVE The current study examined the associations between child maltreatment types (i.e., physical abuse, physical neglect, sexual abuse, emotional abuse, and emotional neglect) and past month marijuana, alcohol, and tobacco use among emerging adults, and tested whether impulsivity accounted for these associations. METHODS Participants were 500 emerging adults ranging in age between 18 and 25 years old (M = 18.96, SD = 1.22, 49.6% male) recruited from a large, public university in the Midwest United States. RESULTS Tests of indirect effects suggested that impulsivity accounted for associations between emotional abuse and past month marijuana, alcohol, and tobacco use. CONCLUSIONS Current findings provide support for impulsivity as a mechanism linking childhood emotional abuse to substance use among emerging adults, highlighting the need for targeted screening and intervention.
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Affiliation(s)
- Shaquanna Brown
- Clinical Child Psychology Program, University of Kansas, Lawrence, Kansas, USA; Consortium for Translational Research on Aggression and Drug Abuse (ConTRADA), University of Kansas, 2009 Dole Human Development Center, 1000 Sunnyside Avenue, Lawrence, KS 66045, USA.
| | - Paula J Fite
- Clinical Child Psychology Program, University of Kansas, Lawrence, Kansas, USA; Consortium for Translational Research on Aggression and Drug Abuse (ConTRADA), University of Kansas, 2009 Dole Human Development Center, 1000 Sunnyside Avenue, Lawrence, KS 66045, USA
| | - Marco Bortolato
- Consortium for Translational Research on Aggression and Drug Abuse (ConTRADA), University of Kansas, 2009 Dole Human Development Center, 1000 Sunnyside Avenue, Lawrence, KS 66045, USA; Department of Pharmacology and Toxicology, University of Utah, Salt Lake City, UT, USA
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9
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Sensitization-based risk for substance abuse in vulnerable individuals with ADHD: Review and re-examination of evidence. Neurosci Biobehav Rev 2022; 135:104575. [PMID: 35151770 PMCID: PMC9893468 DOI: 10.1016/j.neubiorev.2022.104575] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 02/04/2023]
Abstract
Evidence of sensitization following stimulants administration in humans is just emerging, which prevents reaching more definitive conclusions in favor or against a purported protective role of stimulant treatments for ADHD for the development of substance use disorders. Existing evidence from both animal and human research suggest that stimulants produce neurophysiological changes in the brain reward system, some of which could be persistent. This could be relevant in choosing optimal treatments for young patients with ADHD who have additional clinical risk factors for substance abuse (e.g. conduct disorder (CD) and/or familial addictions). Here we stipulate that, while the majority of youth with ADHD greatly benefit from treatments with stimulants, there might be a subpopulation of individuals whose neurobiological profiles may confer risk for heightened vulnerability to the effects of stimulants on the responsiveness of the brain reward system. We propose that focused human research is needed to elucidate the unknown effects of prolonged stimulant exposure on the neurophysiology of the brain reward system in young patients with ADHD.
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Sullivan RM, Maple KE, Wallace AL, Thomas AM, Lisdahl KM. Examining Inhibitory Affective Processing Within the Rostral Anterior Cingulate Cortex Among Abstinent Cannabis-Using Adolescents and Young Adults. Front Psychiatry 2022; 13:851118. [PMID: 35418882 PMCID: PMC8995473 DOI: 10.3389/fpsyt.2022.851118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 02/28/2022] [Indexed: 12/24/2022] Open
Abstract
Cannabis use has been associated with deficits in self-regulation, including inhibitory control. Cannabis users have previously exhibited both structural and functional deficits in the rostral anterior cingulate cortex (rACC), a region involved in self-regulation of emotional response and inhibitory control. The present study aimed to examine whether abstinent cannabis users demonstrated abnormal functional activation and connectivity of the bilateral rACC during an emotional inhibitory processing task, and whether gender moderated these relationships. Cannabis-using (N = 34) and non-using (N = 32) participants ages 16-25 underwent at least 2-weeks of monitored substance use abstinence (excluding tobacco) and fMRI scanning while completing a Go/No-go task using fearful and calm emotional faces as non-targets. Multiple linear regression and ANCOVA were used to determine if cannabis group status was related to rACC activation and context-dependent functional connectivity, and whether gender moderated these relationships. Results showed decreased bilateral rACC activation in cannabis users during fearful response inhibition, although groups did not show any context-dependent connectivity differences between the left or right rACC during calm or fearful inhibition. Gender findings revealed that cannabis-using females compared to males did show aberrant connectivity between the right rACC and right cerebellum. These results are consistent with literature demonstrating aberrant structural and functional rACC findings and suggest that chronic cannabis use may disrupt typical rACC development-even after abstinence-potentially conferring risk for later development of mood disorders. Marginal gender-specific connectivity findings bolster continued findings regarding female vulnerability to effects of cannabis on cognition and affect. Findings should be assessed in longitudinal studies to determine causality and timing effects.
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Affiliation(s)
| | | | | | | | - Krista M. Lisdahl
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, United States
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Ludyga S, Mücke M, Andrä C, Gerber M, Pühse U. Neurophysiological correlates of interference control and response inhibition processes in children and adolescents engaging in open- and closed-skill sports. JOURNAL OF SPORT AND HEALTH SCIENCE 2022; 11:224-233. [PMID: 33421617 PMCID: PMC9068557 DOI: 10.1016/j.jshs.2021.01.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/18/2020] [Accepted: 11/23/2020] [Indexed: 05/04/2023]
Abstract
BACKGROUND Accumulating evidence suggests that sports participation promotes the development of inhibitory control, but the influences of the sports category and inhibition type still remain unclear. The categorization of sports based on the open-skill (externally paced) and closed-skill (self-paced) continuum allows for the integration of the environment as a factor contributing to sports-related benefits for inhibitory control. METHODS Cross-sectional data from different studies were combined (n = 184) to examine the association between open- and closed-skill sports and cognitive control processes related to interference control and response inhibition. Participants (aged 9-14 years) filled in 7-day physical activity recall protocols and completed a Stroop Color-Word or a Go/NoGo task. The N200, N450, and P300 components of event-related potentials elicited by these tasks were recorded using electroencephalography. RESULTS Partial correlations supported the belief that time spent in open-skill sports was related to higher performance on inhibition trials. Additionally, path analyses revealed an association between this sports type and a greater negativity in the N200 and N450 amplitudes in both the full sample and group-level analyses. In contrast, no relation was found between sports type and P300 amplitude. CONCLUSION The findings suggest that only the engagement in open-skill sports is associated with more effective conflict monitoring and higher performance on tasks demanding inhibitory control.
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Affiliation(s)
- Sebastian Ludyga
- Department of Sport, Exercise and Health, University of Basel, Basel 4052, Switzerland.
| | - Manuel Mücke
- Department of Sport, Exercise and Health, University of Basel, Basel 4052, Switzerland
| | - Christian Andrä
- Department of School Sport, Leipzig University, Leipzig 04109, Germany
| | - Markus Gerber
- Department of Sport, Exercise and Health, University of Basel, Basel 4052, Switzerland
| | - Uwe Pühse
- Department of Sport, Exercise and Health, University of Basel, Basel 4052, Switzerland
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12
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Kirsch DE, Lippard ET. Early life stress and substance use disorders: The critical role of adolescent substance use. Pharmacol Biochem Behav 2022; 215:173360. [PMID: 35219756 PMCID: PMC8983562 DOI: 10.1016/j.pbb.2022.173360] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 12/06/2021] [Accepted: 02/20/2022] [Indexed: 12/12/2022]
Abstract
Early life stress (ELS) is a well-established risk factor for many psychiatric and medical disorders, including substance use disorders (SUDs). The relationship between ELS and SUDs is complex and there are likely multiple pathways from ELS to adverse substance use outcomes. The association between ELS and substance use emerges in adolescence. Adolescence is a critical period in development during which substance exposure markedly increases risk for SUDs. Therefore, this review focuses on the literature supporting the hypothesis that ELS increases risk for the development of SUDs through its influence on adolescent substance use. We discuss studies substantiating the role of ELS in adolescent substance use and explore how internalizing and externalizing psychopathology may be antecedents of substance use in adolescence. We examine clinical work suggesting ELS sculpts the Hypothalamic-Pituitary-Adrenal (HPA) Axis and developing brain-particularly subcortical brain regions that underlie stress response, mesocorticolimbic brain systems associated with reward sensitivity, and prefrontal regions that underlie executive control-in a way that increases risk for adolescent substance use and SUDs. We further explore how substance use during adolescence alters structure and function of these same systems, and how brain changes following ELS and adolescent substance use may independently, additively, or interactively contribute to risk for addiction. We conclude by discussing how the current literature can inform interventions aimed at reducing risk for SUDs in individuals with a history of ELS.
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13
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Cavicchioli M, Ogliari A, Movalli M, Maffei C. Persistent Deficits in Self-Regulation as a Mediator between Childhood Attention-Deficit/Hyperactivity Disorder Symptoms and Substance Use Disorders. Subst Use Misuse 2022; 57:1837-1853. [PMID: 36096483 DOI: 10.1080/10826084.2022.2120358] [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] [Indexed: 10/14/2022]
Abstract
The link between attention-deficit/hyperactivity disorder (ADHD) and substance use disorders (SUDs) has been largely demonstrated. Some scholars have hypothesized that self-regulation mechanisms might play a key role in explaining this association. Objective(s): The current study tested the hypothesis that retrospective childhood ADHD symptoms might lead to more severe SUDs and this association should be mediated by current self-ratings of behavioral disinhibition, inattention, and emotional dysregulation among 204 treatment-seeking adults (male: 67.3%; female: 32.7%) with a primary diagnosis of alcohol use disorder and other SUDs. Methods: The mediational model was estimated through self-report measures of childhood ADHD symptoms (independent variable; WURS), current self-regulation mechanisms (mediators)-behavioral disinhibition (BIS-11 motor subscale), difficulties with attention regulation (MAAS) and emotion regulation (DERS)-and severity of SUDs (dependent variable; SPQ alcohol, illicit and prescribed drugs). Results: The analysis showed that alterations in the self-regulation system fully mediated the association between the severity of childhood ADHD symptoms and SUDs in adulthood. Behavioral disinhibition and difficulties in attention regulation were the most representative alterations in self-regulation processes that explained this association. Conclusions: These findings suggest it is useful to implement several therapeutic approaches (e.g. behavioral, mindfulness-based, and pharmacological) to increase the self-regulation abilities of children and adolescents with ADHD in order to reduce the probability of SUD onset in adulthood. However, future longitudinal neuroimaging and neuropsychological studies are needed to further support the role of self-regulation mechanisms in explaining the prospective association between childhood ADHD symptoms and SUDs in adulthood.
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Affiliation(s)
- Marco Cavicchioli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Anna Ogliari
- Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy.,Child in Mind Lab, University "Vita-Salute San Raffaele", Milan, Italy
| | - Mariagrazia Movalli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Cesare Maffei
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
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14
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Longitudinal changes in network engagement during cognitive control in cocaine use disorder. Drug Alcohol Depend 2021; 229:109151. [PMID: 34753083 PMCID: PMC8671376 DOI: 10.1016/j.drugalcdep.2021.109151] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 10/15/2021] [Accepted: 10/15/2021] [Indexed: 11/21/2022]
Abstract
BACKGROUND Cocaine use disorder (CUD) is characterized by poor cognitive control and has limited empirically supported treatment options. Furthermore, an understanding of brain mechanisms underlying CUD is at a relatively early stage. Thus, this study aimed to investigate longitudinal alterations in functional neural networks associated with cognitive control in cocaine use disorder (CUD). METHODS Secondary analysis was performed on data from 44 individuals who participated in three randomized clinical trials for CUD and completed an fMRI Stroop task both at baseline and post-treatment. Independent component analysis (ICA) was performed to assess changes in functional network engagement and investigate associations with cocaine-use behaviors. Mixed linear models were performed to test for longitudinal effects on network engagement and relationships with baseline patterns of cocaine use (i.e., past-month frequency and lifetime years of use) and periods of abstinence/use between scans (i.e., percent negative urine toxicology and maximum days of contiguous abstinence). RESULTS Six functional networks were identified as being related to cognitive control and/or exhibiting changes in engagement following treatment. Results indicated that engagement of amygdala-striatal, middle frontal and right-frontoparietal networks were reduced over time in CUD. Less change in the amygdala-striatal network was associated with greater lifetime years of cocaine use. Additional analyses revealed that negative toxicology results and achievement of continuous abstinence were associated with greater engagement of the right-frontoparietal network. CONCLUSIONS Neural systems that underlie cognitive control may change over time in individuals with CUD. A longer history of cocaine-use may hinder changes in network activity, potentially impeding recovery.
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15
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Goddings AL, Roalf D, Lebel C, Tamnes CK. Development of white matter microstructure and executive functions during childhood and adolescence: a review of diffusion MRI studies. Dev Cogn Neurosci 2021; 51:101008. [PMID: 34492631 PMCID: PMC8424510 DOI: 10.1016/j.dcn.2021.101008] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 07/26/2021] [Accepted: 08/24/2021] [Indexed: 12/13/2022] Open
Abstract
Diffusion magnetic resonance imaging (dMRI) provides indirect measures of white matter microstructure that can be used to make inferences about structural connectivity within the brain. Over the last decade, a growing literature of cross-sectional and longitudinal studies have documented relationships between dMRI indices and cognitive development. In this review, we provide a brief overview of dMRI methods and how they can be used to study white matter and connectivity and review the extant literature examining the links between dMRI indices and executive functions during development. We explore the links between white matter microstructure and specific executive functions: inhibition, working memory and cognitive shifting, as well as performance on complex executive function tasks. Concordance in findings across studies are highlighted, and potential explanations for discrepancies between results, together with challenges with using dMRI in child and adolescent populations, are discussed. Finally, we explore future directions that are necessary to better understand the links between child and adolescent development of structural connectivity of the brain and executive functions.
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Affiliation(s)
- Anne-Lise Goddings
- UCL Great Ormond Street Institute of Child Health, University College London, UK.
| | - David Roalf
- Department of Psychiatry, University of Pennsylvania, USA; Lifespan Brain Institute, Children's Hospital of Philadelphia and the University of Pennsylvania, USA
| | - Catherine Lebel
- Department of Radiology, University of Calgary, Alberta, Canada
| | - Christian K Tamnes
- PROMENTA Research Center, Department of Psychology, University of Oslo, Norway; NORMENT, Institute of Clinical Medicine, University of Oslo, Norway; Department of Psychiatric Research, Diakonhjemmet Hospital, Oslo, Norway
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16
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Predicting Alcohol Dependence Symptoms by Young Adulthood: A Co-Twin Comparisons Study. Twin Res Hum Genet 2021; 24:204-216. [PMID: 34526173 DOI: 10.1017/thg.2021.36] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Co-twin comparisons address familial confounding by controlling for genetic and environmental influences that twin siblings share. We applied the co-twin comparison design to investigate associations of adolescent factors with alcohol dependence (AD) symptoms. Participants were 1286 individuals (581 complete twin pairs; 42% monozygotic; and 54% female) from the FinnTwin12 study. Predictors included adolescent academic achievement, substance use, externalizing problems, internalizing problems, executive functioning, peer environment, physical health, relationship with parents, alcohol expectancies, life events, and pubertal development. The outcome was lifetime AD clinical criterion count, as measured in young adulthood. We examined associations of each adolescent domain with AD symptoms in individual-level and co-twin comparison analyses. In individual-level analyses, adolescents with higher levels of substance use, teacher-reported externalizing problems at age 12, externalizing problems at age 14, self- and co-twin-reported internalizing problems, peer deviance, and perceived difficulty of life events reported more symptoms of AD in young adulthood (ps < .044). Conversely, individuals with higher academic achievement, social adjustment, self-rated health, and parent-child relationship quality met fewer AD clinical criteria (ps < .024). Associations between adolescent substance use, teacher-reported externalizing problems, co-twin-reported internalizing problems, peer deviance, self-rated health, and AD symptoms were of a similar magnitude in co-twin comparisons. We replicated many well-known adolescent correlates of later alcohol problems, including academic achievement, substance use, externalizing and internalizing problems, self-rated health, and features of the peer environment and parent-child relationship. Furthermore, we demonstrate the utility of co-twin comparisons for understanding pathways to AD. Effect sizes corresponding to the associations between adolescent substance use, teacher-reported externalizing problems, co-twin-reported internalizing problems, peer deviance, and self-rated health were not significantly attenuated (p value threshold = .05) after controlling for genetic and environmental influences that twin siblings share, highlighting these factors as candidates for further research.
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17
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Weigard AS, Brislin SJ, Cope LM, Hardee JE, Martz ME, Ly A, Zucker RA, Sripada C, Heitzeg MM. Evidence accumulation and associated error-related brain activity as computationally-informed prospective predictors of substance use in emerging adulthood. Psychopharmacology (Berl) 2021; 238:2629-2644. [PMID: 34173032 PMCID: PMC8452274 DOI: 10.1007/s00213-021-05885-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 05/27/2021] [Indexed: 01/05/2023]
Abstract
RATIONALE Substance use peaks during the developmental period known as emerging adulthood (ages 18-25), but not every individual who uses substances during this period engages in frequent or problematic use. Although individual differences in neurocognition appear to predict use severity, mechanistic neurocognitive risk factors with clear links to both behavior and neural circuitry have yet to be identified. Here, we aim to do so with an approach rooted in computational psychiatry, an emerging field in which formal models are used to identify candidate biobehavioral dimensions that confer risk for psychopathology. OBJECTIVES We test whether lower efficiency of evidence accumulation (EEA), a computationally characterized individual difference variable that drives performance on the go/no-go and other neurocognitive tasks, is a risk factor for substance use in emerging adults. METHODS AND RESULTS In an fMRI substudy within a sociobehavioral longitudinal study (n = 106), we find that lower EEA and reductions in a robust neural-level correlate of EEA (error-related activations in salience network structures) measured at ages 18-21 are both prospectively related to greater substance use during ages 22-26, even after adjusting for other well-known risk factors. Results from Bayesian model comparisons corroborated inferences from conventional hypothesis testing and provided evidence that both EEA and its neuroimaging correlates contain unique predictive information about substance use involvement. CONCLUSIONS These findings highlight EEA as a computationally characterized neurocognitive risk factor for substance use during a critical developmental period, with clear links to both neuroimaging measures and well-established formal theories of brain function.
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Affiliation(s)
- Alexander S Weigard
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA.
| | - Sarah J Brislin
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Lora M Cope
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Jillian E Hardee
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Meghan E Martz
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Alexander Ly
- Department of Psychological Methods, University of Amsterdam, Amsterdam, The Netherlands
- Machine Learning Group, Centrum Wiskunde & Informatica, Amsterdam, The Netherlands
| | - Robert A Zucker
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Chandra Sripada
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
| | - Mary M Heitzeg
- Department of Psychiatry, University of Michigan, Rachel Upjohn Building, 4250 Plymouth Road, Ann Arbor, MI, 48109, USA
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18
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Poulton A, Hester R. Transition to substance use disorders: impulsivity for reward and learning from reward. Soc Cogn Affect Neurosci 2021; 15:1182-1191. [PMID: 31848627 PMCID: PMC7657456 DOI: 10.1093/scan/nsz077] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/06/2019] [Accepted: 09/16/2019] [Indexed: 02/05/2023] Open
Abstract
Substance dependence constitutes a profound societal burden. Although large numbers of individuals use licit or illicit substances, few transition to dependence. The specific factors influencing this transition are not well understood. Substance-dependent individuals tend to be swayed by the immediate rewards of drug taking, but are often insensitive to delayed negative consequences of their behavior. Dependence is consequently associated with impulsivity for reward and atypical learning from feedback. Behavioral impulsivity is indexed using tasks measuring spontaneous decision-making and capacity to control impulses. While evidence indicates drug taking exacerbates behavioral impulsivity for reward, animal and human studies of drug naïve populations demonstrate it might precede any drug-related problems. Research suggests dependent individuals are also more likely to learn from rewarding (relative to punishing) feedback. This may partly explain why substance-dependent individuals fail to modify their behavior in response to negative outcomes. This enhanced learning from reward may constitute a further pre-existing risk factor for substance dependence. Although impulsivity for reward and preferential learning from rewarding feedback are both underpinned by a compromised dopaminergic system, few studies have examined the relationship between these two mechanisms. The interplay of these processes may help enrich understanding of why some individuals transition to substance dependence.
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Affiliation(s)
- Antoinette Poulton
- Melbourne School of Psychological Sciences, University of Melbourne, Parkville 3010, VIC, Australia
| | - Robert Hester
- Melbourne School of Psychological Sciences, University of Melbourne, Parkville 3010, VIC, Australia
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19
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Psychopathology and Neurocognition in the Era of the p-Factor: The Current Landscape and the Road Forward. PSYCHIATRY INTERNATIONAL 2021. [DOI: 10.3390/psychiatryint2030018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Neurocognitive abilities have frequently been claimed to be involved in the aetiology of psychopathology. Neurocognitive deficits have been reported across many disorders, and theoretical perspectives associate these deficits to the onset and maintenance of the symptomology. Recently, the heterogeneity of symptoms, and comorbidity of disorders, have motivated the development of structural models of psychopathology. Structural models indicate that factors such as internalising, externalising, thought disorder and the p-factor account for a wide variety of symptomology. It is unclear how neurocognitive abilities are best examined within these structures to advance our understanding of psychopathology. In this paper, we use Caspi et al.’s seminal writings as a framework to describe how neurocognitive abilities have been previously associated with categorical disorders and recently associated, and claimed to drive, the factors of psychopathology. We discuss the implications of the p-factor as a substantive construct or statistical artefact, and how this impacts the exploration of neurocognitive abilities and psychopathology. Further, we provide the case for alternative structural approaches, describe an innovative hypothesis of neurocognitive functioning, the multidimensional hypothesis, and explain how this may further our understanding of the heterogeneity of neurocognitive performance and psychopathology at the individual level. Finally, we provide a road forward for the future examination of neurocognitive abilities in psychopathology.
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20
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Wang Y, Qin Y, Li H, Yao D, Sun B, Gong J, Dai Y, Wen C, Zhang L, Zhang C, Luo C, Zhu T. Identifying Internet Addiction and Evaluating the Efficacy of Treatment Based on Functional Connectivity Density: A Machine Learning Study. Front Neurosci 2021; 15:665578. [PMID: 34220426 PMCID: PMC8247769 DOI: 10.3389/fnins.2021.665578] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/26/2021] [Indexed: 01/14/2023] Open
Abstract
Although mounting neuroimaging studies have greatly improved our understanding of the neurobiological mechanism underlying internet addiction (IA), the results based on traditional group-level comparisons are insufficient in guiding individual clinical practice directly. Specific neuroimaging biomarkers are urgently needed for IA diagnosis and the evaluation of therapy efficacy. Therefore, this study aimed to develop support vector machine (SVM) models to identify IA and assess the efficacy of cognitive behavior therapy (CBT) based on unbiased functional connectivity density (FCD). Resting-state fMRI data were acquired from 27 individuals with IA before and after 8-week CBT sessions and 30 demographically matched healthy controls (HCs). The discriminative FCDs were computed as the features of the support vector classification (SVC) model to identify individuals with IA from HCs, and the changes in these discriminative FCDs after treatment were further used as features of the support vector regression (SVR) model to evaluate the efficacy of CBT. Based on the informative FCDs, our SVC model successfully differentiated individuals with IA from HCs with an accuracy of 82.5% and an area under the curve (AUC) of 0.91. Our SVR model successfully evaluated the efficacy of CBT using the FCD change ratio with a correlation efficient of 0.59. The brain regions contributing to IA classification and CBT efficacy assessment were the left inferior frontal cortex (IFC), middle frontal cortex (MFC) and angular gyrus (AG), the right premotor cortex (PMC) and middle cingulate cortex (MCC), and the bilateral cerebellum, orbitofrontal cortex (OFC) and superior frontal cortex (SFC). These findings confirmed the FCDs of hyperactive impulsive habit system, hypoactive reflecting system and sensitive interoceptive reward awareness system as potential neuroimaging biomarkers for IA, which might provide objective indexes for the diagnosis and efficacy evaluation of IA.
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Affiliation(s)
- Yang Wang
- School of Rehabilitation and Health Preservation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yun Qin
- Key Laboratory for NeuroInformation of Ministry of Education, School of Life Sciences and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Hui Li
- School of Medicine, Chengdu University, Chengdu, China
| | - Dezhong Yao
- Key Laboratory for NeuroInformation of Ministry of Education, School of Life Sciences and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Bo Sun
- Key Laboratory for NeuroInformation of Ministry of Education, School of Life Sciences and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Jinnan Gong
- Key Laboratory for NeuroInformation of Ministry of Education, School of Life Sciences and Technology, University of Electronic Science and Technology of China, Chengdu, China
- School of Computer Science, Chengdu University of Information Technology, Chengdu, China
| | - Yu Dai
- Department of Chinese Medicine, Chengdu Eighth People’s Hospital, Chengdu, China
| | - Chao Wen
- Department of Rehabilitation, Zigong Fifth People’s Hospital, Zigong, China
| | - Lingrui Zhang
- Department of Medicine, Leshan Vocational and Technical College, Leshan, China
| | - Chenchen Zhang
- Department of Rehabilitation, TCM Hospital of Longquanyi District, Chengdu, China
| | - Cheng Luo
- Key Laboratory for NeuroInformation of Ministry of Education, School of Life Sciences and Technology, University of Electronic Science and Technology of China, Chengdu, China
- Research Unit of NeuroInformation, Chinese Academy of Medical Sciences, Chengdu, China
| | - Tianmin Zhu
- School of Rehabilitation and Health Preservation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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21
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Hildebrandt MK, Dieterich R, Endrass T. Neural correlates of inhibitory control in relation to the degree of substance use and substance-related problems - A systematic review and perspective. Neurosci Biobehav Rev 2021; 128:1-11. [PMID: 34097979 DOI: 10.1016/j.neubiorev.2021.06.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/11/2021] [Accepted: 06/02/2021] [Indexed: 12/28/2022]
Abstract
Inhibitory control deficits are associated with substance use disorders (SUDs) and considered a risk factor. Most studies compare SUD groups with unaffected individuals, although the degree of substance use might relate to inhibitory control deficits and explain group differences. This raises the question to which extent these deficits are specifically linked to substance-related problems. We review studies reporting associations of inhibition-related neural activation (stop signal and go/nogo task) with continuous measures of the degree of substance use and substance-related problems, and with substance-related problems controlling for the degree of substance use. Results suggest negative associations between inhibition-related neural activation and the degree of substance use, but are inconclusive on the association with substance-related problems. Nonetheless, two studies reported significant associations of inhibition-related neural activation with substance-related problems controlling for the degree of substance use. Despite numerous studies showing alterations in inhibition-related neural activation in SUDs, the role of the degree of substance use needs further investigation and studies using dimensional approaches are necessary to uncover specific links to substance-related problems.
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Affiliation(s)
- Malin K Hildebrandt
- Technische Universität Dresden, Faculty of Psychology, Institute for Clinical Psychology and Psychotherapy, Addiction Research, Germany.
| | - Raoul Dieterich
- Technische Universität Dresden, Faculty of Psychology, Institute for Clinical Psychology and Psychotherapy, Addiction Research, Germany.
| | - Tanja Endrass
- Technische Universität Dresden, Faculty of Psychology, Institute for Clinical Psychology and Psychotherapy, Addiction Research, Germany.
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22
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Subtypes of inhibitory and reward activation associated with substance use variation in adolescence: A latent profile analysis of brain imaging data. COGNITIVE AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2021; 21:1101-1114. [PMID: 33973159 DOI: 10.3758/s13415-021-00907-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/19/2021] [Indexed: 11/08/2022]
Abstract
The present study identified subgroups based on inhibitory and reward activation, two key neural functions involved in risk-taking behavior, and then tested the extent to which subgroup differences varied by age, sex, behavioral and familial risk, and substance use. Participants were 145 young adults (18-21 years old; 40.0% female) from the Michigan Longitudinal Study. Latent profile analysis (LPA) was used to establish subgroups using task-based brain activations. Demographic and substance use differences between subgroups were then examined in logistic regression analyses. Whole-brain task activations during a functional magnetic resonance imaging go/no-go task and monetary incentive delay task were used to identify beta weights as input for LPA modeling. A four-class model showed the best fit with the data. Subgroups were categorized as: (1) low inhibitory activation/moderate reward activation (39.7%), (2) moderate inhibitory activation/low reward activation (22.7%), (3) moderate inhibitory activation/high reward activation (25.2%), and (4) high inhibitory activation/high reward activation (12.4%). Compared with the other subgroups, Class 2 was older, less likely to have parental alcohol use disorder, and had less alcohol use. Class 4 was the youngest and had greater marijuana use. Classes 1 and 3 did not differ significantly from the other subgroups. These findings demonstrate that LPA applied to brain activations can be used to identify distinct neural profiles that may explain heterogeneity in substance use outcomes and may inform more targeted substance use prevention and intervention efforts.
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23
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Lees B, Garcia AM, Debenham J, Kirkland AE, Bryant BE, Mewton L, Squeglia LM. Promising vulnerability markers of substance use and misuse: A review of human neurobehavioral studies. Neuropharmacology 2021; 187:108500. [PMID: 33607147 PMCID: PMC8129990 DOI: 10.1016/j.neuropharm.2021.108500] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 01/11/2023]
Abstract
Substance use often begins, and noticeably escalates, during adolescence. Identifying predictive neurobehavioral vulnerability markers of substance use and related problems may improve targeted prevention and early intervention initiatives. This review synthesizes 44 longitudinal studies and explores the utility of developmental imbalance models and neurobehavioral addiction frameworks in predicting neural and cognitive patterns that are associated with prospective substance use initiation and escalation among young people. A total of 234 effect sizes were calculated and compared. Findings suggest that aberrant neural structure and function of regions implicated in reward processing, cognitive control, and impulsivity can predate substance use initiation, escalation, and disorder. Functional vulnerability markers of substance use include hyperactivation during reward feedback and risk evaluation in prefrontal and ventral striatal regions, fronto-parietal hypoactivation during working memory, distinctive neural patterns during successful (fronto-parietal hyperactivation) and failed response inhibition (frontal hypoactivation), and related cognitive deficits. Structurally, smaller fronto-parietal and amygdala volume and larger ventral striatal volume predicts prospective substance misuse. Taken together, the findings of this review suggest that neurobehavioral data can be useful in predicting future substance use behaviors. Notably, little to no research has empirically tested the underlying assumptions of widely used theoretical frameworks. To improve the reliability and utility of neurobehavioral data in predicting future substance use behaviors, recommendations for future research are provided. This article is part of the special issue on 'Vulnerabilities to Substance Abuse.'
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Affiliation(s)
- Briana Lees
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Australia.
| | - Alexis M Garcia
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, USA
| | - Jennifer Debenham
- The Matilda Centre for Research in Mental Health and Substance Use, University of Sydney, Australia
| | - Anna E Kirkland
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, USA
| | - Brittany E Bryant
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, USA
| | - Louise Mewton
- Centre for Healthy Brain Ageing, University of New South Wales, Australia
| | - Lindsay M Squeglia
- Medical University of South Carolina, Department of Psychiatry and Behavioral Sciences, USA
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Clinical and Functional Connectivity Outcomes of 5-Hz Repetitive Transcranial Magnetic Stimulation as an Add-on Treatment in Cocaine Use Disorder: A Double-Blind Randomized Controlled Trial. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2021; 6:745-757. [PMID: 33508499 DOI: 10.1016/j.bpsc.2021.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/04/2020] [Accepted: 01/14/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Cocaine use disorder (CUD) is a global condition lacking effective treatment. Repetitive transcranial magnetic stimulation (rTMS) may reduce craving and frequency of cocaine use, but little is known about its efficacy and neural effects. We sought to elucidate short- and long-term clinical benefits of 5-Hz rTMS as an add-on to standard treatment in patients with CUD and discern underlying functional connectivity effects using magnetic resonance imaging. METHODS A total of 44 patients with CUD were randomly assigned to complete the 2-week double-blind randomized controlled trial (acute phase) (sham [n = 20, 2 female] and active [n = 24, 4 female]), in which they received two daily sessions of rTMS on the left dorsolateral prefrontal cortex (PFC). Subsequently, 20 patients with CUD continued to an open-label maintenance phase for 6 months (two weekly sessions for up to 6 mo). RESULTS rTMS plus standard treatment for 2 weeks significantly reduced craving (baseline: 3.9 ± 3.6; 2 weeks: 1.5 ± 2.4, p = .013, d = 0.77) and impulsivity (baseline: 64.8 ± 16.8; 2 weeks: 53.1 ± 17.4, p = .011, d = 0.79) in the active group. We also found increased functional connectivity between the left dorsolateral PFC and ventromedial PFC and between the ventromedial PFC and right angular gyrus. Clinical and functional connectivity effects were maintained for 3 months, but they dissipated by 6 months. We did not observe reduction in positive results for cocaine in urine; however, self-reported frequency and grams consumed for 6 months were reduced. CONCLUSIONS With this randomized controlled trial, we show that 5-Hz rTMS has potential promise as an adjunctive treatment for CUD and merits further research.
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Abstract
Nearly 1 in 5 children in the United States lives in a household whose income is below the official federal poverty line, and more than 40% of children live in poor or near-poor households. Research on the effects of poverty on children's development has been a focus of study for many decades and is now increasing as we accumulate more evidence about the implications of poverty. The American Academy of Pediatrics recently added "Poverty and Child Health" to its Agenda for Children to recognize what has now been established as broad and enduring effects of poverty on child development. A recent addition to the field has been the application of neuroscience-based methods. Various techniques including neuroimaging, neuroendocrinology, cognitive psychophysiology, and epigenetics are beginning to document ways in which early experiences of living in poverty affect infant brain development. We discuss whether there are truly worthwhile reasons for adding neuroscience and related biological methods to study child poverty, and how might these perspectives help guide developmentally based and targeted interventions and policies for these children and their families.
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Boormans AJMG, Dieleman J, Kleinjan M, Otten R, Luijten M. Environmental Tobacco Smoke Exposure and Brain Functioning Associated with Smoking Cue-Reactivity and Inhibitory Control in Nonsmoking Adolescents. Eur Addict Res 2021; 27:341-350. [PMID: 33567443 PMCID: PMC8491477 DOI: 10.1159/000512891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 11/03/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Despite its well-established negative effects, environmental tobacco smoke (ETS) exposure remains highly prevalent worldwide. ETS exposure is associated with a wide range of physical and mental health-related problems among youth, including an increased likelihood to develop nicotine dependence. Up till now, neurocognitive effects of ETS exposure are largely unknown, while such effects could explain the role of ETS exposure in the development of nicotine dependence. Therefore, this preregistered study investigated the role of current ETS exposure in brain functioning associated with smoking cue-reactivity and inhibitory control. METHOD Concurrent with functional magnetic resonance imaging, nonsmoking adolescents aged 14-18 years (N = 51) performed a smoking cue-reactivity task, assessing brain functioning to smoking cues, and a Go/NoGo task measuring inhibitory control. ETS exposure was measured using a self-report questionnaire and biochemically verified. RESULTS No significant associations were observed between current ETS exposure and brain functioning associated with smoking cue-reactivity and inhibitory control. CONCLUSION These findings suggest that low-to-moderate levels of current ETS exposure are not associated with increased salience of smoking cues or deficits in inhibitory control in nonsmoking adolescents. Longitudinal research is needed to further clarify the exact effect of lifetime ETS exposure on brain functioning, as well as research focusing on the effects of higher levels of ETS exposure.
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Affiliation(s)
| | - Joyce Dieleman
- Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands,Department of Child and Adolescent Mental Health, Trimbos Institute, Utrecht, The Netherlands
| | - Marloes Kleinjan
- Department of Child and Adolescent Mental Health, Trimbos Institute, Utrecht, The Netherlands,Interdisciplinary Social Science, Utrecht University, Utrecht, The Netherlands
| | - Roy Otten
- Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands
| | - Maartje Luijten
- Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands,*Maartje Luijten, Behavioural Science Institute, Radboud University, PO Box 9104, Montessorilaan 3, NL–6500 HE Nijmegen (The Netherlands),
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Psederska E, Thomson ND, Bozgunov K, Nedelchev D, Vasilev G, Vassileva J. Effects of Psychopathy on Neurocognitive Domains of Impulsivity in Abstinent Opiate and Stimulant Users. Front Psychiatry 2021; 12:660810. [PMID: 34177649 PMCID: PMC8219927 DOI: 10.3389/fpsyt.2021.660810] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/03/2021] [Indexed: 01/01/2023] Open
Abstract
Background: Psychopathy and substance use disorders (SUDs) are both characterized by neurocognitive impairments reflecting higher levels of impulsivity such as reward-driven decision-making and deficient inhibitory control. Previous studies suggest that psychopathy may exacerbate decision-making deficits, but it may be unrelated to other neurocognitive impairments among substance dependent individuals (SDIs). The aim of the present study was to examine the role of psychopathy and its interpersonal-affective and impulsive-antisocial dimensions in moderating the relationships between dependence on different classes of drugs and neurocognitive domains of impulsivity. Method: We tested 693 participants (112 heroin mono-dependent individuals, 71 heroin polysubstance dependent individuals, 115 amphetamine mono-dependent individuals, 76 amphetamine polysubstance dependent individuals, and 319 non-substance dependent control individuals). Participants were administered the Psychopathy Checklist: Screening Version (PCL:SV) and seven neurocognitive tasks measuring impulsive choice/decision-making (Iowa Gambling Task; Cambridge Gambling Task; Kirby Delay Discounting Task; Balloon Analog Risk Task), and impulsive action/response inhibition (Go/No-Go Task, Immediate Memory Task, and Stop Signal Task). Results: A series of hierarchical multiple regressions revealed that the interpersonal-affective dimension of psychopathy moderated the association between decision-making, response inhibition and both amphetamine and heroin dependence, albeit differently. For amphetamine users, low levels of interpersonal-affective traits predicted poor decision-making on the Iowa Gambling Task and better response inhibition on the Stop Signal task. In contrast, in heroin users high interpersonal-affective psychopathy traits predicted lower risk taking on the Cambridge Gambling Task and better response inhibition on the Go/No-Go task. The impulsive-antisocial dimension of psychopathy predicted poor response inhibition in both amphetamine and heroin users. Conclusions: Our findings reveal that psychopathy and its dimensions had both common and unique effects on neurocognitive function in heroin and amphetamine dependent individuals. Our results suggest that the specific interactions between psychopathy dimensions and dependence on different classes of drugs may lead to either deficient or superior decision-making and response inhibition performance in SDIs, suggesting that psychopathy may paradoxically play a protective role for some neurocognitive functions in specific subtypes of substance users.
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Affiliation(s)
- Elena Psederska
- Bulgarian Addictions Institute, Sofia, Bulgaria.,Department of Cognitive Science and Psychology, New Bulgarian University, Sofia, Bulgaria
| | - Nicholas D Thomson
- Division of Acute Care Surgical Services, Department of Surgery, Virginia Commonwealth University Health, Richmond, VA, United States.,Department of Psychology, University of Durham, Durham, United Kingdom
| | | | | | | | - Jasmin Vassileva
- Institute for Drug and Alcohol Studies, Virginia Commonwealth University, Richmond, VA, United States.,Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, United States
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Melugin PR, Nolan SO, Siciliano CA. Bidirectional causality between addiction and cognitive deficits. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2020; 157:371-407. [PMID: 33648674 PMCID: PMC8566632 DOI: 10.1016/bs.irn.2020.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Cognitive deficits are highly comorbid with substance use disorders. Deficits span multiple cognitive domains, are associated with disease severity across substance classes, and persist long after cessation of substance use. Furthermore, recovery of cognitive function during protracted abstinence is highly predictive of treatment adherence, relapse, and overall substance use disorder prognosis, suggesting that addiction may be best characterized as a disease of executive dysfunction. While the association between cognitive deficits and substance use disorders is clear, determining causalities is made difficult by the complex interplay between these variables. Cognitive dysfunction present prior to first drug use can act as a risk factor for substance use initiation, likelihood of pathology, and disease trajectory. At the same time, substance use can directly cause cognitive impairments even in individuals without preexisting deficits. Thus, parsing preexisting risk factors from substance-induced adaptations, and how they may interact, poses significant challenges. Here, focusing on psychostimulants and alcohol, we review evidence from clinical literature implicating cognitive deficits as a risk factor for addiction, a consequence of substance use, and the role the prefrontal cortex plays in these phenomena. We then review corresponding preclinical literature, highlighting the high degree of congruency between animal and human studies, and emphasize the unique opportunity that animal models provide to test causality between cognitive phenotypes and substance use, and to investigate the underlying neurobiology at a cellular and molecular level. Together, we provide an accessible resource for assessing the validity and utility of forward- and reverse-translation between these clinical and preclinical literatures.
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Affiliation(s)
- Patrick R Melugin
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, United States
| | - Suzanne O Nolan
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, United States
| | - Cody A Siciliano
- Department of Pharmacology, Vanderbilt Brain Institute, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, United States.
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Hildebrandt MK, Jauk E, Lehmann K, Maliske L, Kanske P. Brain activation during social cognition predicts everyday perspective-taking: A combined fMRI and ecological momentary assessment study of the social brain. Neuroimage 2020; 227:117624. [PMID: 33346132 PMCID: PMC7611322 DOI: 10.1016/j.neuroimage.2020.117624] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 10/15/2020] [Accepted: 11/30/2020] [Indexed: 01/16/2023] Open
Abstract
Identifying distinct neural networks underlying social affect (empathy, compassion) and social cognition (Theory of Mind) has advanced our understanding of social interactions. However, little is known about the relation of activation in these networks to psychological experience in daily life. This study (N = 122) examined the ecological validity of neural activation patterns induced by a laboratory paradigm of social affect and cognition with respect to social interactions in everyday life. We used the EmpaToM task, a naturalistic video-based paradigm for the assessment of empathy, compassion, and Theory of Mind, and combined it with a subsequent 14-day ecological momentary assessment protocol on social interactions. Everyday social affect was predicted by social affect experienced during the EmpaToM task, but not by related neural activation in regions of interest from the social affect network. In contrast, everyday social cognition was predicted by neural activation differences in the medial prefrontal cortex – a region of interest from the social cognition network – but not by social cognition performance in the EmpaToM task. The relationship between medial prefrontal cortex activation and everyday social cognition was stronger for spontaneous rather than deliberate perspective taking during the EmpaToM task, pointing to a distinction between propensity and capacity in social cognition. Finally, this neural indicator of Theory of Mind explained variance in everyday social cognition to a similar extent as an established selfreport scale. Taken together, this study provides evidence for the ecological validity of lab-based social affect and cognition paradigms when considering relevant moderating factors.
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Affiliation(s)
- Malin K Hildebrandt
- Institute of Clinical Psychology and Psychotherapy, Department of Psychology, Technische Universität Dresden, Dresden, Germany.
| | - Emanuel Jauk
- Institute of Clinical Psychology and Psychotherapy, Department of Psychology, Technische Universität Dresden, Dresden, Germany; Department of Psychology, University of Graz, Graz, Austria
| | - Konrad Lehmann
- Institute of Clinical Psychology and Psychotherapy, Department of Psychology, Technische Universität Dresden, Dresden, Germany
| | - Lara Maliske
- Institute of Clinical Psychology and Psychotherapy, Department of Psychology, Technische Universität Dresden, Dresden, Germany
| | - Philipp Kanske
- Institute of Clinical Psychology and Psychotherapy, Department of Psychology, Technische Universität Dresden, Dresden, Germany; Max Planck Institute for Human Cognitive and Brain Sciences, Stephanstraße 1A, 04103 Leipzig, Germany
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Rapuano KM, Rosenberg MD, Maza MT, Dennis NJ, Dorji M, Greene AS, Horien C, Scheinost D, Todd Constable R, Casey BJ. Behavioral and brain signatures of substance use vulnerability in childhood. Dev Cogn Neurosci 2020; 46:100878. [PMID: 33181393 PMCID: PMC7662869 DOI: 10.1016/j.dcn.2020.100878] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 09/17/2020] [Accepted: 10/28/2020] [Indexed: 12/23/2022] Open
Abstract
The prevalence of risky behavior such as substance use increases during adolescence; however, the neurobiological precursors to adolescent substance use remain unclear. Predictive modeling may complement previous work observing associations with known risk factors or substance use outcomes by developing generalizable models that predict early susceptibility. The aims of the current study were to identify and characterize behavioral and brain models of vulnerability to future substance use. Principal components analysis (PCA) of behavioral risk factors were used together with connectome-based predictive modeling (CPM) during rest and task-based functional imaging to generate predictive models in a large cohort of nine- and ten-year-olds enrolled in the Adolescent Brain & Cognitive Development (ABCD) study (NDA release 2.0.1). Dimensionality reduction (n = 9,437) of behavioral measures associated with substance use identified two latent dimensions that explained the largest amount of variance: risk-seeking (PC1; e.g., curiosity to try substances) and familial factors (PC2; e.g., family history of substance use disorder). Using cross-validated regularized regression in a subset of data (Year 1 Fast Track data; n>1,500), functional connectivity during rest and task conditions (resting-state; monetary incentive delay task; stop signal task; emotional n-back task) significantly predicted individual differences in risk-seeking (PC1) in held-out participants (partial correlations between predicted and observed scores controlling for motion and number of frames [rp]: 0.07-0.21). By contrast, functional connectivity was a weak predictor of familial risk factors associated with substance use (PC2) (rp: 0.03-0.06). These results demonstrate a novel approach to understanding substance use vulnerability, which—together with mechanistic perspectives—may inform strategies aimed at early identification of risk for addiction.
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Affiliation(s)
- Kristina M Rapuano
- Department of Psychology, Yale University, New Haven, CT, United States.
| | - Monica D Rosenberg
- Department of Psychology, University of Chicago, Chicago, IL, United States
| | - Maria T Maza
- Department of Psychology, Yale University, New Haven, CT, United States
| | - Nicholas J Dennis
- Department of Psychology, Yale University, New Haven, CT, United States
| | - Mila Dorji
- Department of Psychology, Yale University, New Haven, CT, United States
| | - Abigail S Greene
- Interdepartmental Neuroscience Program, Yale School of Medicine, New Haven, United States
| | - Corey Horien
- Interdepartmental Neuroscience Program, Yale School of Medicine, New Haven, United States
| | - Dustin Scheinost
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, United States
| | - R Todd Constable
- Interdepartmental Neuroscience Program, Yale School of Medicine, New Haven, United States; Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, United States
| | - B J Casey
- Department of Psychology, Yale University, New Haven, CT, United States
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31
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The associations of comorbid substance use disorders and psychiatric conditions with adolescent brain structure and function: A review. J Neurol Sci 2020; 418:117099. [DOI: 10.1016/j.jns.2020.117099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 07/15/2020] [Accepted: 08/14/2020] [Indexed: 12/30/2022]
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Wallace AL, Maple KE, Barr AT, Lisdahl KM. BOLD responses to inhibition in cannabis-using adolescents and emerging adults after 2 weeks of monitored cannabis abstinence. Psychopharmacology (Berl) 2020; 237:3259-3268. [PMID: 32715317 PMCID: PMC7572837 DOI: 10.1007/s00213-020-05608-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 07/06/2020] [Indexed: 10/23/2022]
Abstract
RATIONALE Previous studies have suggested that chronic cannabis use has been associated with increased blood oxygen level-dependent (BOLD) response during a response inhibition task; however, these studies primarily included males. OBJECTIVES We investigated whether gender moderated the effects of cannabis use on BOLD response and behavioral performance during a Go-NoGo task in adolescents and young adults following 2 weeks of monitored abstinence. METHODS Participants included 77 16-26-year olds (MJ = 36, controls = 41). An emotion-based Go-NoGo task required participants to inhibit their response during a calm face. A whole-brain analysis looked at differences between cannabis group, gender, and their interaction. RESULTS Significant greater BOLD responses were observed in cannabis users compared with that in controls in the left frontal cortex, left cingulate cortex, and the left thalamus during correct response inhibitions; gender did not moderate these effects. CONCLUSION Supporting previous research, cannabis users showed greater BOLD responses in core areas associated with response inhibition during a Go-NoGo task, even after a minimum of 2 weeks of abstinence.
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Affiliation(s)
- Alexander L Wallace
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Kristin E Maple
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Alicia T Barr
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Krista M Lisdahl
- Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee, WI, USA.
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Ludyga S, Möhring W, Budde H, Hirt N, Pühse U, Gerber M. Neurocognitive processes mediate the relation between children's motor skills, cardiorespiratory fitness and response inhibition: Evidence from source imaging. Psychophysiology 2020; 58:e13716. [PMID: 33128487 DOI: 10.1111/psyp.13716] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/26/2020] [Accepted: 10/02/2020] [Indexed: 01/20/2023]
Abstract
Accumulating evidence suggests an association between outcomes of sports participation, such as motor skills and cardiorespiratory fitness, and aspects of inhibitory control in children. However, it remains unclear if motor skills and cardiorespiratory fitness are related to different source activity patterns and if neurophysiological indices of response inhibition mediate the relation of these constructs with behavioral performance. We examined the relative contributions of motor skills and cardiorespiratory fitness to response inhibition and a potential mediation by the neurocognitive processes indexed by the N200 and P300 components of event-related potentials. About 92 children aged 9-13 years completed the Movement ABC-2, the PWC170 and a Go/NoGo task. We employed electroencephalography (EEG) to record the N200 and P300 components elicited by the task, which are considered to reflect conflict monitoring and the allocation of attentional resources toward task-relevant stimuli, respectively. Path-anlayses revealed a moderate association between motor skills and behavioral performance on the Go/NoGo task. This association was fully mediated by the P300 amplitude in the NoGo condition. In contrast, cardiorespiratory fitness was not related to behavioral performance, but accounted for variance in N200. Source analyses supported an association between cardiorespiratory fitness and N200 source activity in prefrontal and primary motor cortex, whereas motor skills were related to P300 source activity in the posterior cingulate cortex. Our findings provide novel insights into the neural mechanisms underlying the relation between motor skills and response inhibition. Moreover, we found that the neural generators of the P300 and N200 varied as a function of children's cardiorespiratory fitness and motor skills.
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Affiliation(s)
- Sebastian Ludyga
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Wenke Möhring
- Department of Psychology, University of Basel, Basel, Switzerland
| | - Henning Budde
- Faculty of Human Sciences, Medical School Hamburg, Hamburg, Germany
| | - Nick Hirt
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Uwe Pühse
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
| | - Markus Gerber
- Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland
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Lannoy S, Mange J, Leconte P, Ritz L, Gierski F, Maurage P, Beaunieux H. Distinct psychological profiles among college students with substance use: A cluster analytic approach. Addict Behav 2020; 109:106477. [PMID: 32485549 DOI: 10.1016/j.addbeh.2020.106477] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 05/13/2020] [Accepted: 05/15/2020] [Indexed: 10/24/2022]
Abstract
Substance use in youth is a central public health concern, related to deleterious consequences at psychological, social, and cognitive/cerebral levels. Previous research has identified impulsivity and consumption motives as key factors in the emergence of excessive substance use among college students. However, most studies have focused on a specific substance and have considered this population as a unitary group, ignoring the potential heterogeneity in psychological profiles. We used a cluster analytic approach to explore the heterogeneity in a large sample (N = 2741) of substance users (i.e., tobacco, alcohol, cannabis, ecstasy, cocaine, heroin) on impulsivity and consumption motives. We identified four clusters: The first two clusters, associated with good self-esteem, low anxiety, and moderate substance use, were respectively characterized by low impulsivity and consumption motives (Cluster 1) and by high social and enhancement motives without marked impulsivity (Cluster 2). The two other clusters were conversely related to low self-esteem and high anxiety, and characterized by high consumption motives (particularly conformity) together with elevated urgency (Cluster 3) and by globally increased impulsivity and consumption motives (Cluster 4). These two clusters were also associated with higher substance use. These results highlight the existence of distinct psychological profiles of substance users and underline the need to develop targeted prevention and intervention programs (e.g., focusing on the specific impulsivity facets and consumption motives presented by each subgroup). Based on these findings, we also suggest extending the exploration of distinct profiles of substance users by targeting other psychological variables (e.g., self-esteem).
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Darcey VL, Serafine KM. Omega-3 Fatty Acids and Vulnerability to Addiction: Reviewing Preclinical and Clinical Evidence. Curr Pharm Des 2020; 26:2385-2401. [DOI: 10.2174/1381612826666200429094158] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Accepted: 04/06/2020] [Indexed: 01/05/2023]
Abstract
Omega-3 (N3) fatty acids are dietary nutrients that are essential for human health. Arguably, one of their most critical contributions to health is their involvement in the structure and function of the nervous system. N3 fatty acids accumulate in neuronal membranes through young adulthood, becoming particularly enriched in a brain region known to be the locus of cognitive control of behavior-the prefrontal cortex (PFC). The PFC undergoes a surge in development during adolescence, coinciding with a life stage when dietary quality and intake of N3 fatty acids tend to be suboptimal. Such low intake may impact neurodevelopment and normative development of cognitive functions suggested to be protective for the risk of subsequent substance and alcohol use disorders (UD). While multiple genetic and environmental factors contribute to risk for and resilience to substance and alcohol use disorders, mounting evidence suggests that dietary patterns early in life may also modulate cognitive and behavioral factors thought to elevate UD risk (e.g., impulsivity and reward sensitivity). This review aims to summarize the literature on dietary N3 fatty acids during childhood and adolescence and risk of executive/ cognitive or behavioral dysfunction, which may contribute to the risk of subsequent UD. We begin with a review of the effects of N3 fatty acids in the brain at the molecular to cellular levels–providing the biochemical mechanisms ostensibly supporting observed beneficial effects. We continue with a review of cognitive, behavioral and neurodevelopmental features thought to predict early substance and alcohol use in humans. This is followed by a review of the preclinical literature, largely demonstrating that dietary manipulation of N3 fatty acids contributes to behavioral changes that impact drug sensitivity. Finally, a review of the available evidence in human literature, suggesting an association between dietary N3 fatty and neurodevelopmental profiles associated with risk of adverse outcomes including UD. We conclude with a brief summary and call to action for additional research to extend the current understanding of the impact of dietary N3 fatty acids and the risk of drug and alcohol UD.
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Affiliation(s)
- Valerie L. Darcey
- Georgetown University, Interdisciplinary Program in Neuroscience, Washington DC, United States
| | - Katherine M. Serafine
- Department of Psychology, The University of Texas at El Paso, El Paso, TX 79968, United States
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Skóra MN, Pattij T, Beroun A, Kogias G, Mielenz D, de Vries T, Radwanska K, Müller CP. Personality driven alcohol and drug abuse: New mechanisms revealed. Neurosci Biobehav Rev 2020; 116:64-73. [PMID: 32565173 DOI: 10.1016/j.neubiorev.2020.06.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/15/2020] [Accepted: 06/16/2020] [Indexed: 12/15/2022]
Abstract
While the majority of the regular consumers of alcohol controls their consumption well over life span and even takes instrumentalization benefits from it, a minority, but yet high total number of users develops an alcohol addiction. It has long been known that particular personality types are more addiction prone than others. Here we review recent progress in the understanding of neurobiological pathways that determine personality and facilitate drug abuse. Novel approaches to characterize personality traits leading to addiction proneness in social settings in mice are discussed. A common genetic and neurobiological base for the behavioural traits of sensation seeking or a depressed phenotype and escalating alcohol consumption are reviewed. Furthermore, recent progress on how social and cognitive factors, including impulsivity and decision making, act at brain level to make an individual more vulnerable to alcohol abuse, are discussed. Altogether, this review provides an update on brain mechanisms underlying a broad spectrum of personality traits that make an individual more prone to alcohol and drug abuse and addiction.
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Affiliation(s)
- Maria Nalberczak Skóra
- Laboratory of Molecular Basis of Behavior, Nencki Institute, ul. L. Pasteura 3, Warsaw 02-093, Poland
| | - Tommy Pattij
- Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam University Medical Centers, Location VU University Medical Center, Amsterdam, the Netherlands
| | - Anna Beroun
- BRAINCITY, Nencki Institute, Warsaw 02-093, Poland
| | - Georgios Kogias
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany
| | - Dirk Mielenz
- Division of Molecular Immunology, Department of Internal Medicine III, Nikolaus-Fiebiger-Center, University Clinic, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
| | - Taco de Vries
- Department of Anatomy and Neurosciences, Amsterdam Neuroscience, Amsterdam University Medical Centers, Location VU University Medical Center, Amsterdam, the Netherlands; Department of Molecular and Cellular Neuroscience, CNCR, VU University, Amsterdam, The Netherlands
| | - Kasia Radwanska
- Laboratory of Molecular Basis of Behavior, Nencki Institute, ul. L. Pasteura 3, Warsaw 02-093, Poland
| | - Christian P Müller
- Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nürnberg, Schwabachanlage 6, 91054 Erlangen, Germany.
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Siciliano CA, Noamany H, Chang CJ, Brown AR, Chen X, Leible D, Lee JJ, Wang J, Vernon AN, Vander Weele CM, Kimchi EY, Heiman M, Tye KM. A cortical-brainstem circuit predicts and governs compulsive alcohol drinking. Science 2020; 366:1008-1012. [PMID: 31754002 DOI: 10.1126/science.aay1186] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 10/04/2019] [Indexed: 12/31/2022]
Abstract
What individual differences in neural activity predict the future escalation of alcohol drinking from casual to compulsive? The neurobiological mechanisms that gate the transition from moderate to compulsive drinking remain poorly understood. We longitudinally tracked the development of compulsive drinking across a binge-drinking experience in male mice. Binge drinking unmasked individual differences, revealing latent traits in alcohol consumption and compulsive drinking despite equal prior exposure to alcohol. Distinct neural activity signatures of cortical neurons projecting to the brainstem before binge drinking predicted the ultimate emergence of compulsivity. Mimicry of activity patterns that predicted drinking phenotypes was sufficient to bidirectionally modulate drinking. Our results provide a mechanistic explanation for individual variance in vulnerability to compulsive alcohol drinking.
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Affiliation(s)
- Cody A Siciliano
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. .,Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.,Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Habiba Noamany
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Chia-Jung Chang
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Alex R Brown
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Pharmacology, Vanderbilt University School of Medicine, Nashville, TN 37232, USA.,Vanderbilt Center for Addiction Research, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Xinhong Chen
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Daniel Leible
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jennifer J Lee
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Joyce Wang
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Amanda N Vernon
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Caitlin M Vander Weele
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Eyal Y Kimchi
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Myriam Heiman
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Kay M Tye
- The Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA. .,The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
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Su B, Li S, Yang L, Zheng M. Reduced response inhibition after exposure to drug-related cues in male heroin abstainers. Psychopharmacology (Berl) 2020; 237:1055-1062. [PMID: 31915860 DOI: 10.1007/s00213-019-05434-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/11/2019] [Indexed: 12/16/2022]
Abstract
RATIONALE Deficits in response inhibition associated with heroin use could last several months after abstinence in heroin users, and their response inhibition can also be interfered with task-irrelevant drug-related cues. However, it is unclear whether exposure to drug-related cues affects subsequent response inhibition in heroin users following abstinence. OBJECTIVES The present study aimed to investigate how drug-related cues with different durations between stimulus presentations, referred to as stimulus onset asynchronies (SOAs), affect subsequent response inhibition in heroin abstainers (HAs) with different length of abstinence. METHODS Sixty-seven male HAs performed a modified Go/NoGo task in which a motor response to frequent Go targets and no response to rare NoGo targets were required and a Go or NoGo target was displayed after either a heroin-related or a neutral picture presented for the 200 ms and 600 ms SOAs. RESULTS The HAs responded significantly faster to Go targets following the neutral pictures for the 600 ms SOA compared to other conditions. They also made more commission errors following heroin-related pictures compared to neutral pictures regardless of the SOAs. The shorter-term HAs made more commission errors compared to the longer-term HAs following the 200 ms SOA, and it was only a trend when the SOA was 600 ms. Additionally, negative correlations between the duration of current abstinence and commission errors were observed following cues with the 200 ms SOA. CONCLUSIONS Impaired response inhibition in HAs can be improved through protracted drug abstinence. However, that effect can be reduced by exposure to drug-related cues, which may increase the risk of relapse.
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Affiliation(s)
- Bobo Su
- Department of Psychology, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Shaomei Li
- Key Laboratory of Behavioral and Mental Health of Gansu Province, School of Psychology, Northwest Normal University, Lanzhou, 730070, People's Republic of China
| | - Ling Yang
- Key Laboratory of Behavioral and Mental Health of Gansu Province, School of Psychology, Northwest Normal University, Lanzhou, 730070, People's Republic of China.
| | - Meihong Zheng
- Department of Psychology, Tsinghua University, Beijing, 100084, People's Republic of China.
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Legrand A, Price M. Emotionally valenced stimuli impact response inhibition in those with substance use disorder and co-occurring anxiety and depression symptoms. J Affect Disord 2020; 266:639-645. [PMID: 32056940 PMCID: PMC7105387 DOI: 10.1016/j.jad.2020.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 01/23/2020] [Accepted: 02/01/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Substance use disorder (SUD) is associated with impaired response inhibition. Given the deficits in emotion regulation associated with SUD, it is unclear if this impairment is exacerbated by emotionally valenced stimuli. Co-occurring conditions may further exacerbate these impairments as many co-occurring conditions further impact emotion regulation. It was hypothesized that negative stimuli may further impact response inhibition for this population. METHODS The current study used the stop-signal task to examine response inhibition to negative, neutral and positive stimuli in a sample of those with a history of SUD and co-occurring depression and anxiety symptoms. RESULTS Response inhibition was poorer for negative stimuli relative to neutral stimuli. There was no difference between negative and positive stimuli. Depression severity moderated the difference between response inhibition for negative and neutral stimuli. At elevated depression, response inhibition was worse and there was no difference across emotional stimuli. At low depression, there was a significant difference between negative and neutral stimuli. This effect was not found for anxiety symptoms. LIMITATIONS Study participants presented with polysubstance use of varying duration and amount. It is unclear whether findings are attributed to specific substances, or substance use broadly. Additionally, happy, angry, and calm facial emotions were used to represent positive, negative, and neutral valences respectively. It is unclear whether these findings are generalizable to other emotional expressions. CONCLUSION Results suggested that emotionally valenced stimuli affected response inhibition among those with low symptom severity. At elevated symptom severity, response inhibition to all stimuli were impaired.
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Courtney AL, Casey BJ, Rapuano KM. A Neurobiological Model of Alcohol Marketing Effects on Underage Drinking. J Stud Alcohol Drugs Suppl 2020:68-80. [PMID: 32079563 PMCID: PMC7064001 DOI: 10.15288/jsads.2020.s19.68] [Citation(s) in RCA: 7] [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: 04/21/2018] [Accepted: 01/29/2019] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE Although an association between exposure to alcohol advertising and underage drinking is well documented, the underlying neurobiological contributions to this association remain largely unexplored. From an epidemiological perspective, identifying the neurobiological plausibility of this exposure-outcome association is a crucial step toward establishing marketing as a contributor to youth drinking and informing public policy interventions to decrease this influence. METHOD We conducted a critical review of the literature on neurobiological risk factors and adolescent brain development, social influences on drinking, and neural contributions to reward sensitization and risk taking. By drawing from these separate areas of research, we propose a unified, neurobiological model of alcohol marketing effects on underage drinking. RESULTS We discuss and extend the literature to suggest that responses in prefrontal-reward circuitry help establish alcohol advertisements as reward-predictive cues that may reinforce consumption upon exposure. We focus on adolescence as a sensitive window of development during which youth are particularly susceptible to social and reward cues, which are defining characteristics of many alcohol advertisements. As a result, alcohol marketing may promote positive associations early in life that motivate social drinking, and corresponding neurobiological changes may contribute to later patterns of alcohol abuse. CONCLUSIONS The neurobiological model proposed here, which considers neurodevelopmental risk factors, social influences, and reward sensitization to alcohol cues, suggests that exposure to alcohol marketing could plausibly influence underage drinking by sensitizing prefrontal-reward circuitry.
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Affiliation(s)
| | - B. J. Casey
- Department of Psychology, Yale University, New Haven, Connecticut
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Tomlinson RC, Burt SA, Waller R, Jonides J, Miller AL, Gearhardt AN, Peltier SJ, Klump KL, Lumeng JC, Hyde LW. Neighborhood poverty predicts altered neural and behavioral response inhibition. Neuroimage 2020; 209:116536. [PMID: 31935521 DOI: 10.1016/j.neuroimage.2020.116536] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 12/22/2019] [Accepted: 01/10/2020] [Indexed: 10/25/2022] Open
Abstract
Socioeconomic disadvantage during childhood is associated with a myriad of negative adult outcomes. One mechanism through which disadvantage undermines positive outcomes may be by disrupting the development of self-control. The goal of the present study was to examine pathways from three key indicators of socioeconomic disadvantage - low family income, low maternal education, and neighborhood poverty - to neural and behavioral measures of response inhibition. We utilized data from a representative cohort of 215 twins (ages 7-18 years, 70% male) oversampled for exposure to disadvantage, who participated in the Michigan Twins Neurogenetics Study (MTwiNS), a study within the Michigan State University Twin Registry (MSUTR). Our child-friendly Go/No-Go task activated the bilateral inferior frontal gyrus (IFG), and activation during this task predicted behavioral inhibition performance, extending prior work on adults to youth. Critically, we also found that neighborhood poverty, assessed via geocoding, but not family income or maternal education, was associated with IFG activation, a finding that we replicated in an independent sample of disadvantaged youth. Further, we found that neighborhood poverty predicted response inhibition performance via its effect on IFG activation. These results provide the first mechanistic evidence that disadvantaged contexts may undermine self-control via their effect on the brain. The broader neighborhood, beyond familial contexts, may be critically important for this association, suggesting that contexts beyond the home have profound effects on the developing brain and behaviors critical for future health, wealth, and wellbeing.
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Affiliation(s)
- Rachel C Tomlinson
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA
| | - S Alexandra Burt
- Department of Psychology, Michigan State University, 316 Physics Road #262, East Lansing, MI, 48824, USA
| | - Rebecca Waller
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA; Department of Psychiatry, University of Michigan, 1500 E Medical Center Drive, Ann Arbor, MI, 48109,, USA; Department of Psychology, University of Pennsylvania, 3720 Walnut St, Philadelphia, PA, 19104, USA
| | - John Jonides
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA
| | - Alison L Miller
- Department of Health Behavior and Health Education, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI, 48109, USA
| | - Ashley N Gearhardt
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA
| | - Scott J Peltier
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA; Biomedical Engineering, 2200 Bonisteel Blvd, University of Michigan, Ann Arbor, MO, 48109, USA; Functional MRI Laboratory, University of Michigan, 2360 Bonisteel Blvd, Ann Arbor, MI, 48109, USA
| | - Kelly L Klump
- Department of Psychology, Michigan State University, 316 Physics Road #262, East Lansing, MI, 48824, USA
| | - Julie C Lumeng
- Department of Pediatrics, University of Michigan, 300 North Ingalls Street, Ann Arbor, MI, 48109, USA
| | - Luke W Hyde
- Department of Psychology, University of Michigan, East Hall, 530 Church Street, Ann Arbor, MI, 48109, USA.
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42
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Courtney KE, Infante MA, Bordyug M, Simmons AN, Tapert SF. Prospective Associations between BOLD Markers of Response Inhibition and the Transition to Frequent Binge Drinking. Alcohol Clin Exp Res 2020; 44:463-469. [PMID: 31904873 DOI: 10.1111/acer.14261] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 12/04/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Altered brain activation during response inhibition has been linked to a greater risk for alcohol and other substance use behaviors in late adolescence. However, the ability of neural markers of response inhibition, acquired during adolescence, to temporally predict the transition from less frequent and lower quantity alcohol use to high-risk, frequent (≥ weekly) binge drinking behavior remains unclear. METHODS Adolescents (N = 29; 9 females) were selected from a larger ongoing longitudinal study to include those who transitioned to at least weekly binge drinking (≥5/4 alcoholic drinks for males/females per occasion) over a 15-year follow-up period. Prior to the onset of weekly binge drinking (mean age = 18.0), participants underwent a functional MRI including a go/no-go task. Whole-brain activation from the no-go correct rejection versus no-go false alarm contrast was used to predict time to transition to frequent binge drinking. RESULTS Less no-go correct rejection versus no-go false alarm activation in a cluster including the precentral gyri, insula, and inferior frontal gyri predicted a more rapid transition into frequent binge drinking (voxel-wise alpha < 0.001, cluster-wise alpha < 0.05, cluster threshold ≥ 18 voxels). CONCLUSIONS Results from this study are supported by literature suggesting that frontoinsular involvement is important for successful inhibition and cognitive control. Altered brain activation during response inhibition may thus represent neural antecedents of impulse regulation difficulties related to alcohol consumption. The magnitude of this activation provides temporal information that may be used to inform and optimize timing of interventions aimed at preventing the escalation and transition to problematic drinking for youth who have already begun to engage in drinking behaviors.
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Affiliation(s)
- Kelly E Courtney
- From the, Department of Psychiatry, (KEC, MAI, MB, ANS, SFT), University of California San Diego, San Diego, California
| | - Maria Alejandra Infante
- From the, Department of Psychiatry, (KEC, MAI, MB, ANS, SFT), University of California San Diego, San Diego, California
| | - Maria Bordyug
- From the, Department of Psychiatry, (KEC, MAI, MB, ANS, SFT), University of California San Diego, San Diego, California
| | - Alan N Simmons
- From the, Department of Psychiatry, (KEC, MAI, MB, ANS, SFT), University of California San Diego, San Diego, California.,Veterans Affairs San Diego Healthcare System, (ANS), La Jolla, California
| | - Susan F Tapert
- From the, Department of Psychiatry, (KEC, MAI, MB, ANS, SFT), University of California San Diego, San Diego, California
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43
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Blair RJ. Modeling the Comorbidity of Cannabis Abuse and Conduct Disorder/Conduct Problems from a Cognitive Neuroscience Perspective. J Dual Diagn 2020; 16:3-21. [PMID: 31608811 DOI: 10.1080/15504263.2019.1668099] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Objective: A cognitive neuroscience perspective seeks to understand behavior, in this case the comorbidity of cannabis abuse and conduct disorder/conduct problems, in terms of dysfunction in cognitive processes underpinned by neural processes. The goal of this review is to articulate a cognitive neuroscience account of this comorbidity. Methods: Literature on the following issues will be reviewed: (i) the longitudinal relationship between cannabis abuse and conduct disorder/conduct problems (CD/CP); (ii) the extent to which there are genetic and environmental (specifically maltreatment) factors that underpin this relationship; (iii) forms of neurocognitive function that are reported dysfunctional in CD/CP and also, when dysfunctional, appear to be risk factors for future cannabis abuse; and (iv) the extent to which cannabis abuse may further compromise these systems leading to increased future abuse and greater conduct problems. Results: CD/CP typically predate cannabis abuse. There appear to be shared genetic factors that contribute to the relationship between CD/CP and cannabis abuse. Moreover, trauma exposure increases risk for both cannabis abuse and CP/CD. One form of neurocognitive dysfunction, response disinhibition, that likely exacerbates the symptomatology of many individuals with CD also appears to increase the risk for cannabis abuse. The literature with respect to other forms of neurocognitive dysfunction remains inconclusive. Conclusions: Based on the literature, a causal model of the comorbidity of cannabis abuse and CD/CP is developed.
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Affiliation(s)
- R James Blair
- Center for Neurobehavioral Research, Boys Town National Research Hospital, Boys Town, NE, USA
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44
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Courtney KE, Li I, Tapert SF. The effect of alcohol use on neuroimaging correlates of cognitive and emotional processing in human adolescence. Neuropsychology 2019; 33:781-794. [PMID: 31448946 DOI: 10.1037/neu0000555] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
OBJECTIVE This article provides an overview of the scientific literature pertaining to the effects of alcohol on neural correlates of cognitive and emotional functioning, including reward processing and cue-reactivity, in adolescence and young adulthood. METHOD Peer-reviewed, original research articles that included a neuroimaging assessment of alcohol effects on subsequent cognitive or emotional processing in adolescent or young adult samples were searched (through November 2018) and summarized in the review. RESULTS Cross-sectional studies provided early evidence of alcohol-related differences in neural processing across a number of cognitive domains. Longitudinal studies have identified neural abnormalities that predate drinking within most domains of cognitive functioning, while a few neural alterations have been observed within the domains of visual working memory, inhibitory control, reward processing, and cue-reactivity that appear to be related to the neurotoxic effect of alcohol use during adolescence. In contrast, neural correlates of emotion functioning appear to be relatively stable to the effects of alcohol. CONCLUSIONS Larger prospective studies are greatly needed to disentangle premorbid factors from neural consequences associated with drinking, and to detect subsets of youth who may be particularly vulnerable to alcohol's effects on cognitive and emotional functioning. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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Abstract
Drug consumption is driven by a drug's pharmacological effects, which are experienced as rewarding, and is influenced by genetic, developmental, and psychosocial factors that mediate drug accessibility, norms, and social support systems or lack thereof. The reinforcing effects of drugs mostly depend on dopamine signaling in the nucleus accumbens, and chronic drug exposure triggers glutamatergic-mediated neuroadaptations in dopamine striato-thalamo-cortical (predominantly in prefrontal cortical regions including orbitofrontal cortex and anterior cingulate cortex) and limbic pathways (amygdala and hippocampus) that, in vulnerable individuals, can result in addiction. In parallel, changes in the extended amygdala result in negative emotional states that perpetuate drug taking as an attempt to temporarily alleviate them. Counterintuitively, in the addicted person, the actual drug consumption is associated with an attenuated dopamine increase in brain reward regions, which might contribute to drug-taking behavior to compensate for the difference between the magnitude of the expected reward triggered by the conditioning to drug cues and the actual experience of it. Combined, these effects result in an enhanced motivation to "seek the drug" (energized by dopamine increases triggered by drug cues) and an impaired prefrontal top-down self-regulation that favors compulsive drug-taking against the backdrop of negative emotionality and an enhanced interoceptive awareness of "drug hunger." Treatment interventions intended to reverse these neuroadaptations show promise as therapeutic approaches for addiction.
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Affiliation(s)
- Nora D Volkow
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Michael Michaelides
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
| | - Ruben Baler
- National Institute on Drug Abuse, National Institutes of Health, Bethesda, Maryland
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Is (poly-) substance use associated with impaired inhibitory control? A mega-analysis controlling for confounders. Neurosci Biobehav Rev 2019; 105:288-304. [DOI: 10.1016/j.neubiorev.2019.07.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 06/10/2019] [Accepted: 07/07/2019] [Indexed: 12/25/2022]
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Weafer J, Crane NA, Gorka SM, Phan KL, de Wit H. Neural correlates of inhibition and reward are negatively associated. Neuroimage 2019; 196:188-194. [PMID: 30974242 DOI: 10.1016/j.neuroimage.2019.04.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/26/2019] [Accepted: 04/04/2019] [Indexed: 01/16/2023] Open
Abstract
Individuals with impulsive and addictive disorders, including drug addiction, binge eating/obesity, and problem gambling, exhibit both impaired control over behavior and heightened sensitivity to reward. However, it is not known whether such deviation in inhibitory and reward circuitry among clinical populations is a cause or consequence of the disorders. Recent evidence suggests that these constructs may be related at the neural level, and together, increase risk for engaging in maladaptive behaviors. The current study examined the degree to which brain function during inhibition relates to brain function during receipt of reward in healthy young adults who have not yet developed problem behaviors. Participants completed the stop signal task to assess inhibitory control and the doors task to assess reactivity to monetary reward (win vs loss) during functional magnetic resonance imaging (fMRI). Brain activation during response inhibition was negatively correlated with brain activation during reward. Specifically, less brain activation in right prefrontal regions during inhibition, including the right inferior frontal gyrus, middle frontal gyrus, and supplementary motor area, was associated with greater brain activation in left ventral striatum during receipt of monetary reward. Moreover, these associations were stronger in binge drinkers compared to non-binge drinkers. These findings suggest that the systems are related even before the onset of impulsive or addictive disorders. As such, it is possible that the association between inhibitory and reward circuitry may be a prospective marker of risk.
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Affiliation(s)
- Jessica Weafer
- Department of Psychiatry and Behavioral Neuroscience, MC3077, University of Chicago, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA.
| | - Natania A Crane
- Department of Psychiatry, University of Illinois at Chicago, 1747 Roosevelt Road, Chicago, IL, 60608, USA.
| | - Stephanie M Gorka
- Department of Psychiatry, University of Illinois at Chicago, 1747 Roosevelt Road, Chicago, IL, 60608, USA.
| | - K Luan Phan
- Department of Psychiatry, University of Illinois at Chicago, 1747 Roosevelt Road, Chicago, IL, 60608, USA; Department of Psychology, University of Illinois at Chicago, 1007 W. Harrison Street, Chicago, IL, 60607, USA; Department of Anatomy & Cell Biology, University of Illinois at Chicago, 808 South Wood Street, Chicago, IL, 60612, USA; Mental Health Service Line, Jesse Brown Medical Center, 802 S. Seeley Avenue, Chicago, IL, 60612, USA.
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, MC3077, University of Chicago, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA.
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Drummen M, Dorenbos E, Vreugdenhil ACE, Raben A, Westerterp-Plantenga MS, Adam TC. Insulin resistance, weight, and behavioral variables as determinants of brain reactivity to food cues: a Prevention of Diabetes through Lifestyle Intervention and Population Studies in Europe and around the World - a PREVIEW study. Am J Clin Nutr 2019; 109:315-321. [PMID: 30590423 DOI: 10.1093/ajcn/nqy252] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 08/23/2018] [Indexed: 12/23/2022] Open
Abstract
Background Obesity and type 2 diabetes have been linked to alterations in food reward processing, which may be linked to insulin resistance. Objectives In this clinical study, we investigated the respective contribution of insulin resistance, anthropometric measurements, and behavioral factors to brain reward activation in response to visual stimuli. Design Food reward-related brain reward activation was assessed with functional magnetic resonance imaging in 39 overweight or obese individuals with impaired fasting glucose, impaired glucose tolerance, or both [22 women, 17 men; mean ± SD insulin sensitivity index (ISI): 2.7 ± 1.3; body mass index (BMI; kg/m2): 32.3 ± 3.7; body fat percentage: 40.5% ± 7.9%; fasting glucose: 6.3 ± 0.6 mmol/L]. Food and nonfood images were shown in a randomized block design. Brain activation (food compared with nonfood images) was correlated with anthropometric and behavioral variables. Behavioral variables included eating behavior [Three-Factor Eating Questionnaire (TFEQ)] and habitual physical activity (Baecke). Glucose and insulin concentrations, determined during an oral-glucose challenge, were used to assess the homeostatic model assessment for insulin resistance (HOMA-IR) and Matsuda ISI. Results Food compared with nonfood brain activation was positively associated with HOMA-IR in the nucleus accumbens, right and left insula, and right cingulate gyrus (P < 0.005, corrected for multiple comparisons). TFEQ factor 2 was positively related to food compared with nonfood brain activation in the supramarginal gyrus (P < 0.005, corrected for multiple comparisons). Habitual physical activity during leisure time was negatively associated with food compared with nonfood brain activation in multiple regions associated with the attention and reward network (P < 0.005, corrected for multiple comparisons). Conclusions Individuals with increased insulin resistance and emotional eating or disinhibition showed higher brain reactivity to food cues, which may imply changes in food preference and hyperphagia. Individuals with higher habitual physical activity showed less food reward-related brain activation.
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Affiliation(s)
- Mathijs Drummen
- Department of Nutrition and Movement Sciences.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Elke Dorenbos
- Center for Overweight Adolescent and Children's Health Care (COACH), Department of Pediatrics, Maastricht University Medical Center, Maastricht, Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Anita C E Vreugdenhil
- Center for Overweight Adolescent and Children's Health Care (COACH), Department of Pediatrics, Maastricht University Medical Center, Maastricht, Netherlands.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
| | - Anne Raben
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Copenhagen, Denmark
| | | | - Tanja C Adam
- Department of Nutrition and Movement Sciences.,NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, Netherlands
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Wilson J, Freeman TP, Mackie CJ. Effects of increasing cannabis potency on adolescent health. THE LANCET CHILD & ADOLESCENT HEALTH 2018; 3:121-128. [PMID: 30573419 DOI: 10.1016/s2352-4642(18)30342-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/17/2018] [Accepted: 10/25/2018] [Indexed: 01/03/2023]
Abstract
Cannabis is the most prevalent illicit drug used by adolescents worldwide. Over the past 40 years, changes in cannabis potency through rising concentrations of Δ-9-tetrahydrocannabiol (THC), decreases in cannabidiol, or both, have occurred. Epidemiological and experimental evidence demonstrates that cannabis with high THC concentrations and negligible cannabidiol concentrations is associated with an increased risk of psychotic outcomes, an effect on spatial working memory and prose recall, and increased reports of the severity of cannabis dependence. However, many studies have failed to address cannabis use in adolescence, the peak age at which individuals typically try cannabis and probably the most vulnerable age to experience its harmful effects. In this Review, we highlight the influence that changing cannabis products have on adolescent health and the implications they carry for policy and prevention measures as legal cannabis markets continue to emerge worldwide.
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Affiliation(s)
- Jack Wilson
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Tom P Freeman
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; Department of Psychology, University of Bath, Bath, UK
| | - Clare J Mackie
- Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Beckenham, UK.
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Hardee JE, Cope LM, Martz ME, Heitzeg MM. Review of Neurobiological Influences on Externalizing and Internalizing Pathways to Alcohol Use Disorder. Curr Behav Neurosci Rep 2018; 5:249-262. [PMID: 31768306 DOI: 10.1007/s40473-018-0166-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Purpose of review Two developmental courses through which alcohol use disorder (AUD) may emerge include externalizing and internalizing pathways. We review recent neuroimaging studies of potential neural risk factors for AUD and link findings to potential behavioral risk factors for AUD. Recent findings There is evidence that early-emerging weakness in prefrontal functioning and later-emerging differences in reward-system functioning contribute to an externalizing risk pathway. Stress may be an important contributor in the internalizing pathway through a blunting of reward-related activation, which may act alone or in combination with heightened emotion-related reactivity. Summary This review highlights areas for future work, including investigation of the relative balance between prefrontal and subcortical circuitry, attention to stages of AUD, and consideration of environmental factors such as stress and sleep. Particularly important is longitudinal work to understand the temporal ordering of associations among brain maturation, behavioral risk, and alcohol use.
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Affiliation(s)
- Jillian E Hardee
- University of Michigan, Department of Psychiatry and Addiction Center, 4250 Plymouth Road, Ann Arbor, MI
| | - Lora M Cope
- University of Michigan, Department of Psychiatry and Addiction Center, 4250 Plymouth Road, Ann Arbor, MI
| | - Meghan E Martz
- University of Michigan, Department of Psychiatry and Addiction Center, 4250 Plymouth Road, Ann Arbor, MI
| | - Mary M Heitzeg
- University of Michigan, Department of Psychiatry and Addiction Center, 4250 Plymouth Road, Ann Arbor, MI
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