Enhancement of visual biological motion recognition in early-deaf adults: Functional and behavioral correlates

被引：11

作者：

Simon, Marie ^{[1
]}

Lazzouni, Latifa ^{[1
]}

Campbell, Emma ^{[1
]}

Delcenserie, Audrey ^{[1
,2
]}

Muise-Hennessey, Alexandria ^{[3
]}

Newman, Aaron J. ^{[3
]}

Champoux, Francois ^{[2
,4
]}

Lepore, Franco ^{[1
]}

机构：

[1] Univ Montreal, Ctr Rech Neuropsychol & Cognit, Dept Psychol, Montreal, PQ, Canada

[2] Univ Montreal, Ecole Orthophonie & Audiol, Montreal, PQ, Canada

[3] Dalhousie Univ, Dept Psychol & Neurosci, NeuroCognit Imaging Lab, Halifax, NS, Canada

[4] Ctr Rech Inst Univ Geriatrie Montreal, Montreal, PQ, Canada

来源：

PLOS ONE | 2020年 / 15卷 / 08期

基金：

加拿大健康研究院;

关键词：

CROSS-MODAL PLASTICITY; SIGN-LANGUAGE; AUDITORY DEPRIVATION; HEARING; BRAIN; COMMUNICATION; INDIVIDUALS; PERCEPTION; ACTIVATION; CORTICES;

D O I：

10.1371/journal.pone.0236800

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Deafness leads to brain modifications that are generally associated with a cross-modal activity of the auditory cortex, particularly for visual stimulations. In the present study, we explore the cortical processing of biological motion that conveyed either non-communicative (pantomimes) or communicative (emblems) information, in early-deaf and hearing individuals, using fMRI analyses. Behaviorally, deaf individuals showed an advantage in detecting communicative gestures relative to hearing individuals. Deaf individuals also showed significantly greater activation in the superior temporal cortex (including the planum temporale and primary auditory cortex) than hearing individuals. The activation levels in this region were correlated with deaf individuals' response times. This study provides neural and behavioral evidence that cross-modal plasticity leads to functional advantages in the processing of biological motion following lifelong auditory deprivation.

引用

页数：17

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