Consistent Etiology of Severe, Frequent Psychotic Experiences and Milder, Less Frequent Manifestations

Zavos, Helena M. S.; Freeman, Daniel; Haworth, Claire M. A.; McGuire, Philip; Plomin, Robert; Cardno, Alastair G.; Ronald, Angelica

doi:10.1001/jamapsychiatry.2014.994

Consistent Etiology of Severe, Frequent Psychotic Experiences and Milder, Less Frequent Manifestations

Context The onset of psychosis is usually preceded by psychotic experiences, but little is known about their causes. The present study investigated the degree of genetic and environmental influences on specific psychotic experiences, assessed dimensionally, in adolescence in the community and in …