Basel Early Detection of Psychosis Study - Früherkennung von Psychosen (FEPSY). Neuropsychological and neurophysiological findings in individuals suspected to be at risk for schizophrenia: preliminary results from the Basel early detection of psychosis study - Früherkennung von Psychosen (FEPSY). - Gschwandtner,U.; Aston,J.; Borgwardt,S. (Acta Psychiatr Scand, 2003)