An ERP study for the degrees of the difficulty in visual search
Ma Yanyun; Wang Yan; Luo Yuejia; Y. J. Luo
2007
发表期刊PROGRESS IN NATURAL SCIENCE
ISSN1002-0071
文章类型Article
卷号17期号:5-6页码:47-52
摘要The present study mainly probed the relationships between ERP components and the degrees of difficulty in visual search. Three experimental and one controlled conditions were randomly selected. Results showed that the P1, N1, and P2 amplitudes and latencies had no significant differences among the three experimental and one controlled conditions, and the ERP waveforms of low perceptual load of visual search were different from that of high perceptual load. These results might indicate that the latencies and amplitudes of initial P1, N1 and P2 in high and low perceptual load conditions were almost the same. The ERP waveforms of parallel search were very different from that of serial search, and the ERP waveforms of serial search were very similar. The P3 amplitudes increased as the degrees of the difficulty in visual search decreased.; The present study mainly probed the relationships between ERP components and the degrees of difficulty in visual search. Three experimental and one controlled conditions were randomly selected. Results showed that the P1, N1, and P2 amplitudes and latencies had no significant differences among the three experimental and one controlled conditions, and the ERP waveforms of low perceptual load of visual search were different from that of high perceptual load. These results might indicate that the latencies and amplitudes of initial P1, N1 and P2 in high and low perceptual load conditions were almost the same. The ERP waveforms of parallel search were very different from that of serial search, and the ERP waveforms of serial search were very similar. The P3 amplitudes increased as the degrees of the difficulty in visual search decreased.
关键词event-related potentials (ERP) visual search parallel search serial search
学科领域认知神经科学
收录类别ISTP ; SCI ; SSCI
语种英语
WOS记录号WOS:000250510000009
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/5171
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.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
2.China Natl Inst Educ Res, Beijing 100088, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
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Ma Yanyun,Wang Yan,Luo Yuejia,et al. An ERP study for the degrees of the difficulty in visual search[J]. PROGRESS IN NATURAL SCIENCE,2007,17(5-6):47-52.
APA Ma Yanyun,Wang Yan,Luo Yuejia,&Y. J. Luo.(2007).An ERP study for the degrees of the difficulty in visual search.PROGRESS IN NATURAL SCIENCE,17(5-6),47-52.
MLA Ma Yanyun,et al."An ERP study for the degrees of the difficulty in visual search".PROGRESS IN NATURAL SCIENCE 17.5-6(2007):47-52.
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