Samuel R Chamberlain

2 papers in the library · 5 citations · publishing 2019-2024

Papers

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Distinct alterations in probabilistic reversal learning across at-risk mental state, first episode psychosis and persistent schizophrenia.

Scientific Reports July 30, 2024 J. D. Griffin, K. M. J. Diederen, J. Haarsma et al. 5 citations

We used a probabilistic reversal learning task to examine prediction error-driven belief updating in three clinical groups with psychosis or psychosis-like symptoms. Study 1 compared people with at-risk mental state and first episode psychosis (FEP) to matched controls. Study 2 compared people diagnosed with treatment-resistant schizophrenia (TRS) to matched controls. The design replicated our...

DOI: 10.1038/s41598-024-68004-7 Full text Psychosis Schizophrenia Decision-making Cognitive behavior +1

Hallucinogen Use is Associated with Mental Health and Addictive Problems and Impulsivity in University Students.

Addictive Behaviors Reports October 18, 2019 Jon E Grant, Katherine Lust, Samuel R Chamberlain

Background: This study examined the prevalence of hallucinogen use in a large sample of university students and its associations with mental health issues. Methods: 9,449 students received a 156-item anonymous online survey, which assessed the use of hallucinogens (ever or past year), alcohol and drug use, mental health issues, and impulsive and compulsive traits. Group differences were...

DOI: 10.1016/j.abrep.2019.100228 Full text Addiction Drugs Hallucinogens Impulsivity +1