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Precuneus contributes to attentive control of finger movement
Luo, J; Niki, K; Ding, ZG; Luo, YJ; Yue-jia LUO
2004-05-01
Source PublicationACTA PHARMACOLOGICA SINICA
Correspondent Emailluoyj@psych.ac.cn
ISSN1671-4083
SubtypeArticle
Volume25Issue:5Pages:637-643
AbstractAIM: 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.
Keywordfunctional magnetic resonance imaging motor activity parietal lobe
Subject Area认知神经科学
Indexed BySCI
Language英语
Funding ProjectNational 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 IDWOS:000221337100016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/9907
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorYue-jia LUO
Affiliation1.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
Recommended Citation
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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