Deafness and visual enumeration
Identifieur interne : 000B50 ( Ncbi/Checkpoint ); précédent : 000B49; suivant : 000B51Deafness and visual enumeration
Auteurs : Peter C. Hauser ; Matthew W. G. Dye ; Mrim Boutla ; C. Shawn Green ; Daphne BavelierSource :
- Brain research [ 0006-8993 ] ; 2007.
Abstract
Previous studies have demonstrated that early deafness causes enhancements in peripheral visual attention. Here, we ask if this cross-modal plasticity of visual attention is accompanied by an increase in the number of objects that can be grasped at once. In a first experiment using an enumeration task, Deaf adult native signers and hearing non-signers performed comparably, suggesting that deafness does not enhance the number of objects one can attend to simultaneously. In a second experiment using the Multiple Object Task, Deaf adult native signers and hearing non-signers also performed comparably when required to monitor several, distinct, moving targets among moving distractors. The results of these experiments suggest that deafness does not significantly alter the ability to allocate attention to several objects at once. Thus, early deafness does not enhance all facets of visual attention, but rather its effects are quite specific.
SECTION: Cognitive and Behavioral Neuroscience
Url:
DOI: 10.1016/j.brainres.2007.03.065
PubMed: 17467671
PubMed Central: 1934506
Affiliations:
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