| Schizotypy and handedness in Japanese participants, revisited. | |
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MedLine Citation:
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PMID: 18720208 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Although previous studies have suggested a relationship between mixed-handedness and schizotypic symptoms, possibly indicating a predisposition to schizophrenia, the participants involved were exclusively from Western cultures. Only two reports have examined the relationship between handedness and schizotypy in Asian cultures, and both of these studies failed to show a significant association between mixed-handedness and schizotypy, possibly due to cultural pressures against left-handedness. In the present study we examined the relationship between handedness and schizotypy among Japanese participants (N=231, study 1; N=274, study 2). In order to avoid cultural biases, we used a modified handedness scale in addition to the traditional scale developed in Western cultures. As a result, we show for the first time that mixed-handed Japanese participants have the strongest schizotypal traits, particularly positive schizotypic traits (p<.05). These results suggest that positive schizotypal traits may be universally associated with mixed-handedness or atypical cerebral lateralisation, even in non-Western cultures. |
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Authors:
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Tomohisa Asai; Yoshihiko Tanno |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2008-08-19 |
Journal Detail:
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Title: Laterality Volume: 14 ISSN: 1464-0678 ISO Abbreviation: Laterality Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2009-01-06 Completed Date: 2009-04-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9609064 Medline TA: Laterality Country: England |
Other Details:
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Languages: eng Pagination: 86-94 Citation Subset: IM |
Affiliation:
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Department of Cognitive and Behavioral Science, Graduate School of Arts and Sciences, The University of Tokyo, Japan. as@beck.c.u-tokyo.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Cross-Cultural Comparison* Female Functional Laterality* Humans Individuality Japan Male Neurologic Examination Psychiatric Status Rating Scales Schizotypal Personality Disorder / ethnology*, psychology Social Values Young Adult |
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