An early detection programme reduces the duration of untreated first episode psychosis.

Patients: The study catchment area had 665 000 inhabitants. 874 people with psychosis like symptoms were assessed. 284 people met inclusion criteria: DSM-IV diagnosis of psychotic disorder; actively psychotic (Positive and Negative Syndrome Scale score (PANSS) >4 on positive subscale items 1, 3, 5, or 6 or general subscale item 9); no adequate previous medication for psychosis (.3.5 haloperidol equivalents for .12 weeks or until resolution of symptoms); no related neurological or endocrine disorders; age 18–65 years, and IQ score .70.