Correlates of psychosis proneness in relatives of schizophrenic patients.

1 January 1995

journal article
Published by American Psychological Association (APA) in Journal of Abnormal Psychology

Vol. 104 (2) , 390-394
https://doi.org/10.1037//0021-843x.104.2.390

Abstract

The Magical Ideation Scale (MIS), Perceptual Aberration Scale (PABS), Social Anhedonia Scale (SAS), and Physical Anhedonia Scale (PAS) were administered to 98 relatives of schizophrenic patients along with a measure of personality disorders (the Personality Diagnostic Questionnaire--Revised). Hierarchical regression analysis indicated that the schizotypal and borderline personality disorder (PD) scales explained significant variance in both the MIS and PABS; the avoidant PD scale also explained significant variance in the PABS. The schizoid, paranoid, and avoidant PD scales explained significant variance in the SAS. Sibling intraclass correlations indicated a significant heritability of 0.62 for the PABS.

Keywords

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