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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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Published in:Brain and cognition 2003-11, Vol.53 (2), p.283-286
Main Authors: Livesay, Kay, Burgess, Curt
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Language:English
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description 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.
doi_str_mv 10.1016/S0278-2626(03)00127-1
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subjects Brain - physiology
Functional Laterality - physiology
Humans
Reaction Time
Semantics
Visual Fields - physiology
Visual Perception - physiology
title Mediated priming in the cerebral hemispheres
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