Perception and Integration of Sensory Information in the Early Stages of Psychosis

Inclusion Criteria

• •All groups:
• •Age between 18 and 30 years
• •Normal or corrected-to-normal visual acuity
• •Affiliated with or dependent on a social security health insurance plan
• •Provided informed consent and co-signed the study consent form with the investigator
• •Proficient in French
• •Control group (TEM) specific criteria:
• •No current psychiatric disorder (DSM-IV Axis I), except anxiety disorders
• •No lifetime history of (hypo)manic episodes or psychotic disorders
• •No first-degree family history of schizophrenia spectrum disorders
• •No regular use (more than one month continuously) in the past 6 months of the following medications: benzodiazepines, hypnotics, antidepressants, antipsychotics, mood stabilizers, or psychostimulants
• •Clinical High-Risk (CHR) group specific criteria:
• •Meet CHR criteria according to CAARMS: Attenuated positive symptoms (APS) below clinical threshold in intensity or frequency OR Brief Limited Intermittent Psychotic Symptoms (SPLI) OR Genetic Risk
• •First-Episode Psychosis (PEP) group specific criteria:
• •Meet PEP criteria according to CAARMS (psychosis threshold reached)