Laterality of cross-modal spatial processing.
Identifieur interne : 009B07 ( Main/Exploration ); précédent : 009B06; suivant : 009B08Laterality of cross-modal spatial processing.
Auteurs : J O Adams ; P D DudaSource :
- Cortex; a journal devoted to the study of the nervous system and behavior [ 0010-9452 ] ; 1986.
English descriptors
- KwdEn :
- MESH :
- physiology : Dominance, Cerebral, Space Perception, Stereognosis.
- Adult, Female, Humans, Male, Psychophysics, Sex Characteristics, Visual Fields.
Abstract
This study examined the laterality of spatial-form perception in normal adults using a cross-modal matching paradigm involving visual and tactile processing. Randomly generated eight-point and 12-point Vanderplas and Garvin (1959) patterns were used as the stimuli. In a visual-to-tactile task, a lateralized visual pattern was followed immediately by a haptic task requiring subjects to discriminate which of two simultaneously felt shapes matched the visual pattern. In a tactile-to-visual task, subjects decided which of two simultaneously felt shapes matched a lateralized visual pattern presented after haptic manipulation. There were no main effects for laterality or for sex differences. Matching accuracy was better in the visual-to-tactile task and for less complex stimuli. A visual field by feeling hand interaction showed best recognition accuracy when visual-feeling hand combinations on the same side of the body were used in the two matching tasks. These data reflect a stimulus-response compatibility explanation of spatial-form perception that is consistent with a behavioral and not a cerebral asymmetry model.
PubMed: 3816239
Affiliations:
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Le document en format XML
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