Dynamic interactions between neural systems underlying different components of verbal working memory

被引：15
|
作者：
Gruber, O.
Mueller, T.
Falkai, Peter
机构：
[1] Univ Saarland, Dept Psychiat, D-6650 Homburg, Germany
[2] Max Planck Inst Human Cognit & Brain Sci, Leipzig, Germany
[3] Univ Ulm, Dept Neurol, D-7900 Ulm, Germany
[4] Univ Gottingen, Dept Psychiat, D-3400 Gottingen, Germany
来源：
JOURNAL OF NEURAL TRANSMISSION | 2007年 / 114卷 / 08期
关键词：
neuroimaging; fMRI; phonological storage; effective connectivity; schizophrenia;
D O I：
10.1007/s00702-007-0634-7
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
Brain functions are determined not only by processing in single brain areas but also by dynamic interactions within and between distributed neural networks. We investigated functional connectivity between two brain systems underlying complementary components of verbal working memory. The use of the articulatory rehearsal ("inner speech") mechanism enhanced neural activity in ventral premotor cortex and Broca's area. These activations showed a negative functional coupling with anatomically connected brain regions subserving the non-articulatory maintenance of phonological information, i.e. the "inner ear".
引用
收藏
页码：1047 / 1050
页数：4
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