The task dependent interaction of the deactivation regions
Zhang Ye1,2; Feng ShiGang1,2; Feng HongBo1,2; Dong Feng1,2; Tang YiYuan1,2,3
2008-05-01
发表期刊CHINESE SCIENCE BULLETIN
ISSN1001-6538
文章类型Article
卷号53期号:10页码:1527-1532
摘要Although deactivation has been found frequently in former functional brain imaging researches, only recently has it become a focus of systematic study because of its not well understood physiological mechanism. However, most of the researches concentrated on the brain areas that would present deactivation, and, to our knowledge, the deactivation connectivity between these brain areas during the cognitive tasks has rarely been reported in literature. In this work, using the functional connectivity method WICA (within-condition interregional covariance analysis), we analyzed the deactivations in two different cognitive tasks-symbol orientation and number comparison. The results revealed deactivations in the posterior cingulate, precuneus, anterior cingulate and prefrontal cortex in both tasks. However, the interaction between the deactivated regions shows many differences. Our result further indicates that the potential implication of special deactivation connectivity may be related to the different task or attention resource. Further research is needed to clarify the exact reason.
关键词deactivation fMRI WICA
收录类别SCI
语种英语
WOS记录号WOS:000255985900011
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13541
专题中国科学院心理研究所回溯数据库(1956-2010)
作者单位1.Dalian Univ Technol, Inst Neuroinformat, Dalian 116024, Peoples R China
2.Dalian Univ Technol, Lab Body & Mind, Dalian 116024, Peoples R China
3.Chinese Acad Sci, Key Lab Mental Hlth, Beijing 100101, Peoples R China
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Zhang Ye,Feng ShiGang,Feng HongBo,et al. The task dependent interaction of the deactivation regions[J]. CHINESE SCIENCE BULLETIN,2008,53(10):1527-1532.
APA Zhang Ye,Feng ShiGang,Feng HongBo,Dong Feng,&Tang YiYuan.(2008).The task dependent interaction of the deactivation regions.CHINESE SCIENCE BULLETIN,53(10),1527-1532.
MLA Zhang Ye,et al."The task dependent interaction of the deactivation regions".CHINESE SCIENCE BULLETIN 53.10(2008):1527-1532.
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