Background: Self-disorders, or anomalous disturbances in the basic sense of self, have been described in psychosis-risk states and may contribute to social cognitive impairment and functioning. This study examined self-disorder severity and associations with social cognition and functioning across individuals at clinical high risk for psychosis (CHR-P), autism spectrum disorder (ASD), and...
OBJECTIVE: Cannabis use has been examined as a predictor of psychosis in clinical high-risk (CHR) samples, but little is known about the impact of other substances on this relationship. METHOD: Substance use was assessed in a large sample of CHR participants (N = 370, mean age = 18.3) enrolled in the multisite North American Prodrome Longitudinal Study Phase 1 project. Three hundred and...
Abstract Objective Tobacco and cannabis are the most used substances among individuals at clinical high risk for psychosis (CHR-P), but it remains controversial whether substance use drives symptom exacerbation and psychosis transition, or vice versa. We investigated longitudinal dose-response relationships of tobacco and cannabis use with clinical presentation in a CHR-P population. Methods...