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The Effect of Familial Sinistrality on the Relation between Schizophrenialike Thinking and Pseudoneglect
Ist Teil von
Brain and cognition, 2000-12, Vol.44 (3), p.564-576
Ort / Verlag
San Diego, CA: Elsevier Inc
Erscheinungsjahr
2000
Link zum Volltext
Quelle
Elsevier ScienceDirect Journals
Beschreibungen/Notizen
We have recently reported a correlation between schizophrenialike symptoms and the degree of pseudoneglect in healthy right-handers. We aimed to investigate the effect of familial sinistrality (FS) on this relation. Seventy-six healthy right-handers were divided into four groups on the basis of gender and FS. A computerized version of Corsi's task was used as the visuospatial task. Subjects filled in the Magical Ideation Scale (MI), which asked for delusionlike beliefs, and performed the Corsi's task using each hand. Performance of both hemispaces was separately evaluated. In all groups, performance of the left hemispace was better than that of the right hemispace and FS+ subjects performed better than FS− subjects. When the right hand was used, performance was correlated to MI scores only for FS− groups. Findings suggest that the correlation between right-sided neglect and proneness to schizotypy in normal right-handers is affected by FS.