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Adaptive influence of long term high altitude residence on spatial working memory: An fMRI study
Yan, Xiaodan2,3,4; Zhang, Jiaxing1,2; Gong, Qiyong5; Weng, Xuchu2; Zhang, JX (reprint author), Xiamen Univ, Dept Physiol, Coll Med, Xiamen, Peoples R China.
2011-10-01
发表期刊BRAIN AND COGNITION
ISSN0278-2626
文章类型Article
卷号77期号:1页码:53-59
产权排序1
摘要With an increasing population living at a high altitude (HA), the impact of HA residence on human cognitive function has raised concerns. We recruited two groups of college students with one group born and grew up at HA until early adulthood and the control group born and grew up at near sea level (SL); the two groups were matched at age, gender ratio, educational level, the ancestral lines, and peripheral physiology (especially the hemoglobin concentration). A 2-back spatial working memory task was performed by each subject in the scanner while fMRI data were acquired. Compared to the SL control group, the HA group showed equal response accuracy, with more variance in reaction time and a larger average value. fMRI data indicated that both groups showed common activation patterns in the neural pathway typically associated with working memory. The HA group had greater activation at the left pyramis, the left superior temporal gyrus and less activation at the left middle occipital gyrus. Significant correlations were found within each group between the reaction times and BOLD signal change amplitudes at the frontal cortex and the precentral cortex. (C) 2011 Elsevier Inc. All rights reserved.
关键词Spatial working memory n-Back fMRI Compensation
学科领域Cognitive Psychology,environmental Psychology
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收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000294378000008
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被引频次:25[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/311026/10864
专题中国科学院心理健康重点实验室
通讯作者Zhang, JX (reprint author), Xiamen Univ, Dept Physiol, Coll Med, Xiamen, Peoples R China.
作者单位1.Xiamen Univ, Dept Physiol, Coll Med, Xiamen, Peoples R China
2.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China
3.Rensselaer Polytech Inst, Dept Cognit Sci, Troy, NY USA
4.NYU, Ctr Biomed Imaging, New York, NY USA
5.Sichuan Univ, W China Hosp, Huaxi Magnet Resonance Res Ctr, Chengdu 610064, Peoples R China
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Yan, Xiaodan,Zhang, Jiaxing,Gong, Qiyong,et al. Adaptive influence of long term high altitude residence on spatial working memory: An fMRI study[J]. BRAIN AND COGNITION,2011,77(1):53-59.
APA Yan, Xiaodan,Zhang, Jiaxing,Gong, Qiyong,Weng, Xuchu,&Zhang, JX .(2011).Adaptive influence of long term high altitude residence on spatial working memory: An fMRI study.BRAIN AND COGNITION,77(1),53-59.
MLA Yan, Xiaodan,et al."Adaptive influence of long term high altitude residence on spatial working memory: An fMRI study".BRAIN AND COGNITION 77.1(2011):53-59.
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