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Functional brain laterality for sequential movements: Impact of transient practice
Zhu, YH; Dong, ZW; Weng, XC; Chen, YZ; WENG Xuchu
2005-02-01
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
SubtypeArticle
Volume50Issue:3Pages:235-239
AbstractThe impact of learning on brain functional laterality has not been systematically investigated. We employed an event-related functional magnetic resonance imaging combined with a delayed sequential movement task to investigate brain activation pattern and laterality during a transient practice in 12 subjects. Both hemispheres, involving motor areas and posterior parietal cortex, were engaged during motor preparation and execution, with larger activation volume in the left hemisphere than in the right. Activation volume in these regions significantly decreased after a transient practice, with more reduction in the right hemisphere resulting increase in left lateralization. The theoretical implications of these findings are discussed in relation to the physiological significance of brain functional laterality.; The impact of learning on brain functional laterality has not been systematically investigated. We employed an event-related functional magnetic resonance imaging combined with a delayed sequential movement task to investigate brain activation pattern and laterality during a transient practice in 12 subjects. Both hemispheres, involving motor areas and posterior parietal cortex, were engaged during motor preparation and execution, with larger activation volume in the left hemisphere than in the right. Activation volume in these regions significantly decreased after a transient practice, with more reduction in the right hemisphere resulting increase in left lateralization. The theoretical implications of these findings are discussed in relation to the physiological significance of brain functional laterality.
Keywordbrain laterality learning sequential movement functional magnetic resonance imaging (fMRI)
Subject Area生理心理学/生物心理学
Indexed BySCI
Language英语
WOS IDWOS:000228412100008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/5425
Collection中国科学院心理研究所回溯数据库(1956-2010)
Corresponding AuthorWENG Xuchu
Affiliation1.Zhejiang Univ, Sch Med, Hangzhou 310006, Peoples R China
2.Hebei Normal Univ, Dept Psychol, Sch Educ, Shijiazhuang 050091, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China
4.Second Mil Med Univ, Inst Neurosci, Shanghai 200433, Peoples R China
Recommended Citation
GB/T 7714
Zhu, YH,Dong, ZW,Weng, XC,et al. Functional brain laterality for sequential movements: Impact of transient practice[J]. CHINESE SCIENCE BULLETIN,2005,50(3):235-239.
APA Zhu, YH,Dong, ZW,Weng, XC,Chen, YZ,&WENG Xuchu.(2005).Functional brain laterality for sequential movements: Impact of transient practice.CHINESE SCIENCE BULLETIN,50(3),235-239.
MLA Zhu, YH,et al."Functional brain laterality for sequential movements: Impact of transient practice".CHINESE SCIENCE BULLETIN 50.3(2005):235-239.
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