期刊
HUMAN BRAIN MAPPING
卷 27, 期 10, 页码 828-835出版社
WILEY
DOI: 10.1002/hbm.20224
关键词
language; sex; hand preference; handedness; connectivity; DTI; diffusion MRI; tractography; fibertracking; Broca; Wernicke; brain asymmetry; accurate fasciculus; corpus callosum
In right-handed subjects, language processing relies predominantly on left hemisphere networks, more so in men than in women, and in right- versus left-handers. Using DT-MRI tractography, we have shown that right-handed men are massively interconnected between the left-hemisphere language areas, whereas the homologous in the right hemisphere are sparse; interhemispheric connections between the language areas and their contralateral homologues are relatively strong. Women and left-handed men have equally strong intrahemispheric connections in both hemispheres, but women have a higher density of interhemispheric connections.
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