Brain dynamic mechanisms on the visual attention scale with Chinese characters cues

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	Brain dynamic mechanisms on the visual attention scale with Chinese characters cues
	Gao, WB; Wei, JG ; Peng, XH ; Wei, X; Luo, YJ; Y. J. Luo
摘要	The temporal dynamics in brain evoked by the scale of visual attention with the cues of Chinese characters were studied by recording event-related potentials (ERPs). With the fixed orientation of visual attention, 14 healthy young participants performed a search task in which the search array was preceded by Chinese characters cues, [GRAPHICS] (large, medium, small). 128 channels scalp ERPs were recorded to study the role of visual attention scale played in the visual spatial attention. The results showed that there was no significant difference in the ERP components evoked by the three Chinese characters cues except the inferoposterior N2 latency. The targets evoked P2, N2 amplitudes and latency have significant differences with the different cues of large, middle and small, while P1 and N1 components had no significant difference. The results suggested that the processing of scale of visual attention was mainly concerned with P2, N2 components, while the P1, N1 components were mainly related with the processing of visual orientation information.; The temporal dynamics in brain evoked by the scale of visual attention with the cues of Chinese characters were studied by recording event-related potentials (ERPs). With the fixed orientation of visual attention, 14 healthy young participants performed a search task in which the search array was preceded by Chinese characters cues,
关键词	event-related potential visual spatial attention scale cues of Chinese characters
学科领域	认知神经科学
	2002-10-01
语种	英语
发表期刊	CHINESE SCIENCE BULLETIN
ISSN	1001-6538
卷号	47 期号:19 页码:1644-1649
期刊论文类型	Article
收录类别	SCI ; SSCI
WOS记录号	WOS:000178124400014
引用统计	被引频次：4[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/311026/5231
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	Y. J. Luo
作者单位	1.Chinese Acad Sci, Inst Psychol, Lab Mental Hlth, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Lab Visual Informat Proc, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Gao, WB,Wei, JG,Peng, XH,et al. Brain dynamic mechanisms on the visual attention scale with Chinese characters cues[J]. CHINESE SCIENCE BULLETIN,2002,47(19):1644-1649.
APA	Gao, WB,Wei, JG,Peng, XH,Wei, X,Luo, YJ,&Y. J. Luo.(2002).Brain dynamic mechanisms on the visual attention scale with Chinese characters cues.CHINESE SCIENCE BULLETIN,47(19),1644-1649.
MLA	Gao, WB,et al."Brain dynamic mechanisms on the visual attention scale with Chinese characters cues".CHINESE SCIENCE BULLETIN 47.19(2002):1644-1649.

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