NDLI: An fMRI study of Chinese sign language in functional cortex of prelingual deaf signers

Content Provider	IEEE Xplore Digital Library
Author	Qiang Li Shuang Xia
Copyright Year	2009
Description	Author affiliation: Engineering College for the Deaf, Tianjin University of Technoloy, China (Qiang Li) \|\| First Central Hospital of Tianjin Medical University, Tianjin Medical University, China (Shuang Xia)
Abstract	Using functional magnetic resonance imaging (fMRI), to observe the changes of cerebral functional cortex in prelingual deaf singers for Chinese sign language(CSL). Results : During observing and imitating CSL, the activated areas in all groups include bilateral middle frontal gyrus, middle temporal gyrus, superior parietal lobule, cuneate lobe, fusiform gyrus and lingual gurus. The activation of bilateral inferior frontal gyrus were found in group I, III and IV, but no activation in group II. The activation of bilateral superior temporal gyrus and inferior parietal lobule were found in group I and III, but no activation in others. The volumes of bilateral inferior frontal gyrus in group I were greater than those in group III and IV. The volumes of bilateral superior temporal gyrus in group I were greater than those in group III. Conclusion:The cortex in PDS had occurred reorganization, after losing their auditory and learning the CSL. The activation of linguistic cortex can be found during oberserving and imitating CSL in PDS. The secondary auditory cortex and association area turn to take part in processing visual language when no auditory afference, whereas the primary auditory cortex do not participate the reorganization. Additionally, the visual cortex of PDS is more sensitive than that of normal heaing individuals.
Starting Page	1
Ending Page	4
File Size	4517738
Page Count	4
File Format	PDF
ISBN	9781424446902
DOI	10.1109/FBIE.2009.5405875
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-13
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	prelingual deafness Deafness Handicapped aids Natural languages Educational institutions sign language fMRI Magnetic resonance imaging Auditory system Aging High level synthesis reorganization Biomedical engineering Biomedical imaging
Content Type	Text
Resource Type	Article

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