Threatening life events in the onset of schizophrenia, schizophreniform psychosis and hypomania.

In a study of cases of recent onset of schizophrenia, schizophreniform psychosis and hypomania (DSM-III criteria), threatening life events were significantly related to the onset of schizophreniform psychosis but not schizophrenia. The results also suggest that threatening events may precipitate hypomanic episodes.