Image generation and handedness: is the hemi-imagery method valid for studying the hemisphere imagery generation process?
The validity of the proposal by Shuren et al. (Neuropsychologia, 1996, 34, 491-492) that there is some relation between handedness and hemi-imagers was investigated by means of the hemi-imagery test. Two-hundred and two subjects were asked to image one-half of an object and to report which half (left or right) they saw. The analyses, based on criteria identical to those of Shuren et al., did not replicate their findings that subjects were more likely to image the right half of objects than the left, and that right handers are right hemi-imagers. Rather, our subjects were more inclined to image the left half than the right, and no relation between handedness score and right hemi-imagers was found. It is suggested that the reading habits of the different cultures of the groups of subjects may account for this discrepancy.
Hatta
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Department of Information and Behavior, School of Informatics and Sciences, Nagoya University, Japan.
Kawakami
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A
D000293:Adolescent; D000328:Adult; D003466:Cultural Characteristics; D004292:Dominance, Cerebral / Q000502:physiology; D005260:Female; D007839:Functional Laterality / Q000502:physiology*; D006801:Humans; D007092:Imagination / Q000502:physiology*; D008297:Male; D011932:Reading