Handedness and schizotypy in a Japanese sample: an association masked by cultural effects on hand usage

Gregory, Alice M.; Claridge, Gordon; Clark, Ken and Taylor, Paul D.. 2003. Handedness and schizotypy in a Japanese sample: an association masked by cultural effects on hand usage. Schizophrenia Research, 65, pp. 139-145. ISSN 0920-9964 [Article]

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Abstract or Description

Previous research has shown a robust association between schizotypy and mixed/ambiguous-handedness, but little is known about the universality of this relationship outside Western cultures. The present paper examines this issue in a sample of 413 Japanese students administered (in Japan) the Annett handedness questionnaire and a schizotypy scale (STA). Conventional analyses of current hand preference, using several indices derived from the Annett scale, mostly failed to replicate previous findings. However, there was a significant tendency for greater use of either hand in highly schizotypal males. Furthermore, a significant association between schizotypy and non-right-handedness was found—again only in males—after correcting for the effects of early switching of hand usage, presumed to be due to cultural pressure against left-handedness in Japanese society. These results were found to be highly convergent with findings previously reported for clinical schizophrenia.

Item Type:

Article

Identification Number (DOI):

https://doi.org/10.1016/S0920-9964(03)00055-0

Keywords:

Japan; Handedness; Schizotypy

Related URLs:

Departments, Centres and Research Units:

Psychology

Dates:

DateEvent
2003Published

Item ID:

50

Date Deposited:

11 Aug 2008 12:32

Last Modified:

30 Jun 2017 15:19

Peer Reviewed:

Yes, this version has been peer-reviewed.

URI:

http://research.gold.ac.uk/id/eprint/50

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