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Comparison of functional magnetic resonance imaging in cerebral activation between normal Uygur and Mandarin
Yan-Ling Xi1, Qing Tian2, Tuerhong Tuerxun3
1Department of Rehabilitation Medicine, The First Affiliation Hospital of Xinjiang Medical University Urumqi 830054, China.
Purpose:
This study utilized blood oxygenation level-dependent functional magnetic resonance imaging (BOLD-fMRI) technology to study the activated cerebral regions in normal participants whose native language was Uyghur or Chinese.
Methods:
We collected the fMRI data from 15 Uyghur-speaking volunteers and 15 Mandarin-speaking volunteers when executing the semantic identification task and compared the results of two groups.
Results:
Statistically significant difference of brain activation was found primarily in the left anterior cingulate gyrus (BA23) and the midline precuneus (P<0.05). When performing the semantic identification task, the Uyghur group exhibited significant activation in these two regions, whereas the Chinese group demonstrated relatively weak activation in these areas.
Conclusion:
The cerebral regions activated by Uyghur and Chinese semantic identification are not identical, the dominant hemisphere for both languages is the left cerebral hemisphere. The left anterior cingulate gyrus might have a language function in Uyghur semantic processing.
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