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AUDIOVISUAL SPEECH INTEGRATION IN THE SUPERIOR TEMPORAL REGION IS DYSFUNCTIONAL IN DYSLEXIA
ZHENG YE1,2; JASCHA RU¨ SSELER3; IVONNE GERTH4; THOMAS F. MU¨ NTE5,6
2017
发表期刊Neuroscience
通讯作者邮箱muente@neuro.uni-luebeck.de
卷号356期号:不详页码:1-10
摘要

Dyslexia is an impairment of reading and spelling that affects both children and adults even after many years of
schooling. Dyslexic readers have deficits in the integration of auditory and visual inputs but the neural mechanisms of the deficits are still unclear. This fMRI study examined the neural processing of auditorily presented German numbers 0–9 and videos of lip movements of a German native speaker voicing numbers 0–9 in unimodal (auditory or visual) and bimodal (always congruent) conditions in dyslexic readers and their matched fluent readers. We confirmed results of previous studies that the superior temporal gyrus/sulcus plays a critical role in audiovisual speech integration: fluent readers showed greater superior temporal activations for combined audiovisual stimuli than auditory-/visual-only stimuli. Importantly, such an enhancement effect was absent in dyslexic readers. Moreover, the auditory network (bilateral superior temporal regions plus medial PFC) was dynamically modulated during audiovisual integration in fluent, but not in dyslexic readers. These results suggest that superior temporal dysfunction may underly poor audiovisual speech integration in readers with dyslexia. _ 2017 IBRO. Published by Elsevier Ltd. All rights reserved.

关键词audiovisual integration superior temporal gyrus fMRI independent component analysis
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/25604
专题中国科学院心理健康重点实验室
作者单位1.CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, China
2.CAS Center for Excellence in Brain Science and Intelligence Technology, Shanghai, China
3.Dept. of Psychology, University of Bamberg, Germany
4.Sta¨dtische Kliniken Magdeburg, Germany
5.Dept. of Neurology, University of Lu¨beck, Germany
6.Institute of Psychology II, University of Lu¨beck, Germany
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GB/T 7714
ZHENG YE,JASCHA RU¨ SSELER,IVONNE GERTH,et al. AUDIOVISUAL SPEECH INTEGRATION IN THE SUPERIOR TEMPORAL REGION IS DYSFUNCTIONAL IN DYSLEXIA[J]. Neuroscience,2017,356(不详):1-10.
APA ZHENG YE,JASCHA RU¨ SSELER,IVONNE GERTH,&THOMAS F. MU¨ NTE.(2017).AUDIOVISUAL SPEECH INTEGRATION IN THE SUPERIOR TEMPORAL REGION IS DYSFUNCTIONAL IN DYSLEXIA.Neuroscience,356(不详),1-10.
MLA ZHENG YE,et al."AUDIOVISUAL SPEECH INTEGRATION IN THE SUPERIOR TEMPORAL REGION IS DYSFUNCTIONAL IN DYSLEXIA".Neuroscience 356.不详(2017):1-10.
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