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Laterality. 2009 May;14(3):246-55. doi: 10.1080/13576500802362869. Epub 2008 Nov 15.

Handedness and depression: evidence from a large population survey.

Author information

1
School of Economics, University College Dublin, Belfield, Dublin 4, Ireland. Kevin.denny@ucd.ie

Abstract

There is a considerable body of research arguing for an association between psychotic disorders and atypical brain lateralisation--where non-right-handedness is usually taken as a marker for the latter. By contrast, there has been less attention given to a possible link between handedness and affective disorders (particularly major depression) and, unlike the case of psychosis, there is no a priori reason for such a link. There are very few studies of the relationship between depression and handedness in normal populations. This paper uses a new large population survey from 12 European countries to measure the association between handedness and depression. It is found that, using three different measures, left-handers are significantly more likely to have depressive symptoms than right-handers. For example left-handers are about 5% more likely to have reported having ever experienced symptoms of depression compared to about 27% of the total sample.

PMID:
19012075
DOI:
10.1080/13576500802362869
[Indexed for MEDLINE]

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