Scales for Rating Psychotic and Psychotic-like Experiences as Continua

Scales for rating psychotic and psychotic-like experiences as continua.

Although psychotic symptoms are usually viewed as dichotomous events, both patients and nonpatients often report isolated psychotic experiences as well as psychotic-like experiences, the latter being attenuated versions of psychotic experiences. College students, previously identified as probably at high risk for psychosis, were interviewed using a modified Schedule for Affecting Disorders and ...

French version validation of the psychotic symptom rating scales (PSYRATS) for outpatients with persistent psychotic symptoms

BACKGROUND Most scales that assess the presence and severity of psychotic symptoms often measure a broad range of experiences and behaviours, something that restricts the detailed measurement of specific symptoms such as delusions or hallucinations. The Psychotic Symptom Rating Scales (PSYRATS) is a clinical assessment tool that focuses on the detailed measurement of these core symptoms. The go...

Predicting Psychotic-Like Experiences during Sensory Deprivation

AIMS This study aimed to establish the contribution of hallucination proneness, anxiety, suggestibility, and fantasy proneness to psychotic-like experiences (PLEs) reported during brief sensory deprivation. METHOD Twenty-four high and 22 low hallucination-prone participants reported on PLEs occurring during brief sensory deprivation and at baseline. State/trait anxiety, suggestibility, and fa...

Psychotic-like Experiences in Nonclinical Adolescents

Cannabis, COMT and psychotic experiences.

BACKGROUND A putative interaction between cannabis and variation at rs4680 within the catechol-methyl-transferase (COMT) gene on psychosis has been reported, but not adequately replicated. AIMS To examine whether the relative risk of developing psychosis following use of cannabis is dependent upon variation within COMT. METHOD A longitudinal study of 2630 individuals from the Avon Longitudi...