The Staged Treatment in Early Psychosis Study

INCLUSION CRITERIA * Age 12 -25 years (inclusive) at entry. * Ability to speak adequate English (for assessment purposes). * Ability to provide informed consent. * Meeting one or more Ultra High Risk for psychosis groups as defined below: Group 1: Vulnerability Group Family history of psychosis in first degree relative OR Schizotypal Personality Disorder (as defined by Diagnostic and Statistical Manual of Mental Disorders (DSM) IV in identified patient AND Drop in Functioning: Recency: Change in functioning occurred within last year Impact: Social and Occupational Functioning Assessment Scale (SOFAS) score at least 30% below previous level of functioning and sustained for at least one month. OR Sustained low functioning: Recency: For the past 12 months or longer Impact: SOFAS score of 50 or less. Group 2: Attenuated Psychotic Symptoms Group 2a) Subthreshold intensity: Intensity: Global Rating Scale Score of 3-5 on Unusual Thought Content subscale, 3-5 on Non-Bizarre Ideas subscale, 3-4 on Perceptual Abnormalities subscale and/or 4-5 on Disorganised Speech subscales of the Comprehensive Assessment of At Risk Mental States (CAARMS). Frequency: Frequency Scale Score of 3-6 on Unusual Thought Content, Non-Bizarre Ideas, Perceptual Abnormalities and/or Disorganised Speech subscales of the CAARMS Duration: symptoms present for at least one week Recency: symptoms present in past year 2b) Subthreshold frequency: Intensity: Global Rating Scale Score of 6 on Unusual Tho…