Article
Do schizotypal symptoms mediate the relationship between genetic risk for schizophrenia and impaired neuropsychological performance in co-twins of schizophrenic patients?
Biological psychiatry - 1 Dec 2003
Johnson Jennifer K, Tuulio-Henriksson Annamari, Pirkola Tiia, Huttunen Matti O, Lönnqvist Jouko, Kaprio Jaakko, Cannon Tyrone D
Abstract excerpt
BACKGROUND: Neurocognitive deficits and symptoms of schizotypal personality disorder are both elevated in the first-degree relatives of schizophrenic patients, but their relationship to each other and their potential common genetic source remain unclear. METHODS: Fifty unaffected co-twins of schizophrenic patients and 123 control twins were assessed with a neuropsychological battery and structured clinical...
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