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Audio-visual speech perception in adult readers with dyslexia: an fMRI study
Ruesseler, Jascha1; Ye, Zheng2; Gerth, Ivonne3; Szycik, Gregor R.4; Muente, Thomas F.5,6; Thomas F. Münte
2018-04-01
发表期刊BRAIN IMAGING AND BEHAVIOR
通讯作者邮箱thomas.muente@neuro.uni-luebeck.de
ISSN1931-7557
文章类型Article
卷号12期号:2页码:357-368
产权排序2
摘要

Developmental dyslexia is a specific deficit in reading and spelling that often persists into adulthood. In the present study, we used slow event-related fMRI and independent component analysis to identify brain networks involved in perception of audio-visual speech in a group of adult readers with dyslexia (RD) and a group of fluent readers (FR). Participants saw a video of a female speaker saying a disyllabic word. In the congruent condition, audio and video input were identical whereas in the incongruent condition, the two inputs differed. Participants had to respond to occasionally occurring animal names. The independent components analysis (ICA) identified several components that were differently modulated in FR and RD. Two of these components including fusiform gyrus and occipital gyrus showed less activation in RD compared to FR possibly indicating a deficit to extract face information that is needed to integrate auditory and visual information in natural speech perception. A further component centered on the superior temporal sulcus (STS) also exhibited less activation in RD compared to FR. This finding is corroborated in the univariate analysis that shows less activation in STS for RD compared to FR. These findings suggest a general impairment in recruitment of audiovisual processing areas in dyslexia during the perception of natural speech.

关键词Developmental dyslexia Audio-visual processing Event-related fMRI Independent component analysis
DOI10.1007/s11682-017-9694-y
收录类别SCI
语种英语
项目资助者BMBF grants(01GJ1303A ; 01AB074401)
WOS研究方向Neurosciences & Neurology
WOS类目Neuroimaging
WOS记录号WOS:000429029000006
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]INDEPENDENT COMPONENT ANALYSIS ; AUDITORY-VISUAL SPEECH ; DEVELOPMENTAL DYSLEXIA ; MULTISENSORY INTEGRATION ; READING-DISABILITY ; SEEING VOICES ; HEARING LIPS ; NEURAL BASIS ; SCHIZOPHRENIA ; BRAIN
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/26086
专题健康与遗传心理学研究室
通讯作者Thomas F. Münte
作者单位1.Otto Friedrich Univ Bamberg, Dept Psychol, Bamberg, Germany
2.Chinese Acad Sci, Inst Psychol, Beijing, Peoples R China
3.Klinikum Magdeburg, Neurol, Magdeburg, Germany
4.Hannover Med Sch, Dept Psychiat, Hannover, Germany
5.Univ Lubeck, Dept Neurol, Ratzeburger Allee 160, D-23562 Lubeck, Germany
6.Univ Lubeck, Inst Psychol 2, Lubeck, Germany
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Ruesseler, Jascha,Ye, Zheng,Gerth, Ivonne,et al. Audio-visual speech perception in adult readers with dyslexia: an fMRI study[J]. BRAIN IMAGING AND BEHAVIOR,2018,12(2):357-368.
APA Ruesseler, Jascha,Ye, Zheng,Gerth, Ivonne,Szycik, Gregor R.,Muente, Thomas F.,&Thomas F. Münte.(2018).Audio-visual speech perception in adult readers with dyslexia: an fMRI study.BRAIN IMAGING AND BEHAVIOR,12(2),357-368.
MLA Ruesseler, Jascha,et al."Audio-visual speech perception in adult readers with dyslexia: an fMRI study".BRAIN IMAGING AND BEHAVIOR 12.2(2018):357-368.
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