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Age-related differences in the brain areas outside the classical language areas among adults using category decision task

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Author(s)
조용원이상도장혁원
Alternative Author(s)
Cho, Yong WonYi, Sang DoChang, Hyuk Won
Publication Year
2012
Abstract
Older adults perform much like younger adults on language. This similar level of performance, however, may come about through different underlying brain processes. In the present study, we evaluated age-related differences in the brain areas outside the typical language areas among adults using a category decision task. Our results showed that similar activation patterns were found in classical language processing areas across the three age groups although regional lateralization indices in Broca's and Wernicke's areas decreased with age. The greatest differences, however, among the three groups were found primarily in the brain areas not associated with core language functioning including the hippocampus, middle frontal gyrus, ventromedial frontal cortex, medial superior parietal cortex and posterior cingulate cortex. Therefore, the non-classical language areas may exhibit an age-related difference between three age groups while the subjects show a similar activation pattern in the core, primary language processing during a semantic decision task.
Department
Dept. of Neurology (신경과학)
Dept. of Radiology (영상의학)
Publisher
School of Medicine
Citation
Brain & Language, Vol.120(3) : 372-380, 2012
Type
Article
ISSN
0093-934X
DOI
10.1016/j.bandl.2011.12.013
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/35255
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