Precuneus contributes to attentive control of finger movement
Luo, J; Niki, K; Ding, ZG; Luo, YJ; Yue-jia LUO
2004-05-01
发表期刊ACTA PHARMACOLOGICA SINICA
通讯作者邮箱luoyj@psych.ac.cn
ISSN1671-4083
文章类型Article
卷号25期号:5页码:637-643
摘要AIM: To examine whether precuneus subserves the attentive control of finger movement or whether it mediates the movement preparation and motor inhibition. METHODS: In the Preparation Stage, subjects were shown with a 5-number string in which each number stood for a key-pressing response, the number strings included a complex pattern (eg, 4-1-4-2-3), or a simple one (eg, 2-2-2-2-2), or a null one (ie, x-x-x-x-x). In the Execution Stage, five reaction signs were presented one by one and subjects were required to press the corresponding key to each sign sequentially (eg, in the 4-1-4-2-3 preparation example, subjects press key 4 to the first sign, press key 1 to the second sign, key 4 to the third sign and so on). For the null preparation pattern, five numbers, rather than the reaction signs, were shown at the same pace as in the other two conditions and subjects were to press the corresponding keys. RESULTS: Left medial frontal gyrus (BA 6) and precentral gyrus (BA 6) were involved in both of the Preparation Stage and the Execution Stage, whereas left precuneus (BA 7) was activated only in the Execution Stage. CONCLUSION: Precuneus mediates the attentive control of finger movement, but not the movement preparation or motor inhibition.; AIM: To examine whether precuneus subserves the attentive control of finger movement or whether it mediates the movement preparation and motor inhibition. METHODS: In the Preparation Stage, subjects were shown with a 5-number string in which each number stood for a key-pressing response, the number strings included a complex pattern (eg, 4-1-4-2-3), or a simple one (eg, 2-2-2-2-2), or a null one (ie, x-x-x-x-x). In the Execution. Stage, five reaction signs were presented one by one and subjects were required to press the corresponding key to each sign sequentially (eg, in the 4-1-4-2-3 preparation example, subjects press key 4 to the first sign, press key 1 to the second sign, key 4 to the third sign and so on). For the null preparation pattern, five numbers, rather than the reaction signs, were shown at the same pace as in the other two conditions and subjects were to press the corresponding keys. RESULTS: Left medial frontal gyrus (BA 6) and precentral gyrus (BA 6) were involved in both of the Preparation Stage and the Execution Stage, whereas left precuneus (BA 7) was activated only in the Execution Stage. CONCLUSION: Precuneus mediates the attentive control of finger movement, but not the movement preparation or motor inhibition.
关键词functional magnetic resonance imaging motor activity parietal lobe
学科领域认知神经科学
收录类别SCI
语种英语
资助项目National Natural Science Foundation Of China (30270464, 30325026), Chinese Academy of Sciences (KSCX2-SW-221), and by the Ministry of Science and Technology of China (2002CCA01000).
WOS记录号WOS:000221337100016
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/9907
专题中国科学院心理研究所回溯数据库(1956-2010)
通讯作者Yue-jia LUO
作者单位1.Chinese Acad Sci, Key Lab Mental Hlth, Beijing 100101, Peoples R China
2.AIST, Neurosci Res Inst, Tsukuba, Ibaraki 3058568, Japan
3.Hebei Med Univ, Dept Social Sci, Shijiazhuang 050017, Peoples R China
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GB/T 7714
Luo, J,Niki, K,Ding, ZG,et al. Precuneus contributes to attentive control of finger movement[J]. ACTA PHARMACOLOGICA SINICA,2004,25(5):637-643.
APA Luo, J,Niki, K,Ding, ZG,Luo, YJ,&Yue-jia LUO.(2004).Precuneus contributes to attentive control of finger movement.ACTA PHARMACOLOGICA SINICA,25(5),637-643.
MLA Luo, J,et al."Precuneus contributes to attentive control of finger movement".ACTA PHARMACOLOGICA SINICA 25.5(2004):637-643.
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