期刊
NEUROIMAGE
卷 20, 期 1, 页码 202-215出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S1053-8119(03)00199-X
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资金
- NICHD NIH HHS [R01 HD038578-05, R01-HD38578-01] Funding Source: Medline
The localization of brain areas related to cognitive functions has yet to be thoroughly explored in children. We therefore set out to apply volumetric, voxel-based, and structural connectivity analyses to magnetic resonance images from a large sample of healthy children. We could confirm a strong correlation of whole-brain gray matter volume and the individual intelligence quotient; however, this correlation only developed with age in our sample, in that it was not present in the younger children. With the application of an optimized protocol for voxel-based morphometry, the anterior cingulate was shown to be directly correlated with a measure of human intelligence. Furthermore, an analysis of structural connectivity identified gray matter volume in several distinct brain areas to be related to cognitive functions. The implications of our findings for normal development, pathological processes, and our understanding of cognition are discussed and related to previous findings. (C) 2003 Elsevier Science (USA). All rights reserved.
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