James MacKillop

Psychology · Social Sciences

44h-index9.8kcitations143works1.32yr avg
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Research Topics

Behavioral Health and Interventions(44), Substance Abuse Treatment and Outcomes(26), Decision-Making and Behavioral Economics(25), Genetic Associations and Epidemiology(23), Mental Health Research Topics(21)

Publications136 total

Strong Public Disapproval of Proposed Reductions in Psychologist Competency Standards in Ontario: Findings from 1,141 General Community Adults in an Observational Cohort Study
2025Open Access
Genome-wide association study of delay discounting identifies 11 loci and reveals transdiagnostic associations across mental and physical health
Molecular Psychiatry·2025· 1 citedOpen Access
Shared Symptoms, Circuits, and Potential Solutions — Progress of Precision Lesioning for Obsessive-Compulsive Disorder as Rationale for Applications to Addiction
Current Addiction Reports·2025
Acute Effects of Cannabis on Alcohol Craving and Consumption: A Randomized Controlled Crossover Trial
American Journal of Psychiatry·2025· 5 citedOpen Access
The nosology of addiction as a medical condition: a concise history and review of contemporary perspectives
Neuropsychopharmacology·2025Open Access
Using latent profile analysis to characterize heterogeneity in an outpatient concurrent disorders programme: A quality improvement study.
Canadian Journal of Behavioural Science/Revue canadienne des sciences du comportement·2025
A behavioural and neurobiological assessment of effort-based decision-making in cannabis use disorder: An initial/preliminary investigation
Cognitive Affective & Behavioral Neuroscience·2025· 1 cited
Evaluating Impulsivity as a Mechanism of Behaviour Change for 12-step Engagement during Alcohol Use Disorder Recovery
2025Open Access
Deep learning using structural MRI massively improves prediction accuracy of body mass index
2025Open Access
Tobacco use and impulsivity in people with mental illness: A systematic review
American Journal on Addictions·2025· 2 cited
Deep Brain Stimulation for Substance Use Disorder: Case Report of Fentanyl Use Disorder and Review of the Literature
Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques·2025· 1 citedOpen Access
Potential Risks from Cannabis- Infused Beverages: A Critical Review
Cannabis·2024· 3 citedOpen Access
Longitudinal characterization of impulsivity phenotypes boosts signal for genomic correlates and heritability
Molecular Psychiatry·2024· 5 cited
Dried Cannabis Use, Tobacco Smoking, and COVID-19 Infection: Findings from a Longitudinal Observational Cohort Study
Cannabis·2024Open Access
Computerized clinical decision support to improve stroke prevention therapy in primary care management of atrial fibrillation: a cluster randomized trial
American Heart Journal·2024· 4 citedOpen Access
Time for a Weed-Free January? How cannabis users could benefit from a ‘dry’ month
2024
Polygenic contributions to performance on the Balloon Analogue Risk Task
Molecular Psychiatry·2023· 4 citedOpen Access
CADM2 is implicated in impulsive personality and numerous other traits by genome- and phenome-wide association studies in humans and mice
Translational Psychiatry·2023· 77 citedOpen Access
Leveraging related health phenotypes for polygenic prediction of impulsive choice, impulsive action, and impulsive personality traits in 1534 European ancestry community adults
Genes Brain & Behavior·2023· 13 citedOpen Access
Predictors of perceived symptom change with acute cannabis use for mental health conditions in a naturalistic sample: A machine learning approach
Comprehensive Psychiatry·2023· 3 citedOpen Access
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Frequent Co-authors

Abraham A. Palmer(11), Michael Amlung(8), Sandra Sanchez‐Roige(8), Harriet de Wit(8), Lara A. Ray(7), Monika M. Stojek(7), Pierre Fontanillas(6), Cara M. Murphy(6), Lauren R. Few(5), Joshua C. Gray(5), Lawrence H. Sweet(4), Sarah L. Elson(4), Abdel Abdellaoui(3), Michel G. Nivard(3), Adam Auton(3), Dorret I. Boomsma(3), David A. Hinds(3), Daniëlle Posthuma(3), Assaf Oshri(3), Warren K. Bickel(3)