Article
Factor structure and familiality of first-rank symptoms in sibling pairs with schizophrenia and schizoaffective disorder.
The British journal of psychiatry : the journal of mental science - 1 Jul 2000
Loftus J, Delisi L E, Crow T J
Abstract excerpt
BACKGROUND: Since their introduction as diagnostic criteria by Schneider in 1937, nuclear symptoms have played a key role in concepts of schizophrenia, but their relationship to each other and to genetic predisposition has been unclear. AIMS: To ascertain the factor structure and familiality of nuclear symptoms. METHODS: Nuclear (Schneiderian) symptoms were extracted from case notes and interviews in a study of...
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