Handedness and schizotypy in non-psychotic relatives of patients with schizophrenia.

ABSTRACT: Existing studies have found the relationship between handedness and schizotypy to be inconsistent, and had limited generalisability since only highly homogeneous groups have been investigated. This study aimed to examine the relation between handedness and the four schizotypal factors identified from a previous confirmatory factor analysis in a population of high familial loading for schizophrenia. Study participants consisted of non-psychotic first-degree relatives (850 parents and 334 siblings) of sib-pairs who were co-affected with schizophrenia. All participants were interviewed with the Diagnostic Interview for Genetic Studies, which contains a section of the modified Structured Interview for Schizotypy, and the Annett handedness questionnaire. Both categorical and continuous indicato

SUBMITTER: Tsuang HC 

PROVIDER: S-EPMC3175314 | biostudies-literature | 2011 Nov

REPOSITORIES: biostudies-literature