Mediated priming in the cerebral hemispheres

The present experiment investigates hemispheric differences in mediated priming. Theories of lexical representation have argued for an asymmetrical coding between the right and left hemispheres ( Beeman, 1998), claiming that the right hemisphere is more diffusely represented compared to the left hem...

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Bibliographic Details
Published in:Brain and cognition 2003-11, Vol.53 (2), p.283-286
Main Authors: Livesay, Kay, Burgess, Curt
Format: Article
Language:English
Subjects:
Brain - physiology
Functional Laterality - physiology
Humans
Reaction Time
Semantics
Visual Fields - physiology
Visual Perception - physiology
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Summary:The present experiment investigates hemispheric differences in mediated priming. Theories of lexical representation have argued for an asymmetrical coding between the right and left hemispheres ( Beeman, 1998), claiming that the right hemisphere is more diffusely represented compared to the left hemisphere. Thus, the right hemisphere activates a larger semantic field compared to the left hemisphere. Mediated (two-step) priming is an ideal task to examine this representational claim, because of the distant nature of the prime-target pairs. Results showed no difference in the magnitude of priming (both mediated and direct) between the right and left hemispheres. These results suggest that the lexical representation of the two hemispheres is equivalent, not asymmetrical as Beeman suggests.
ISSN:0278-2626
1090-2147
DOI:10.1016/S0278-2626(03)00127-1