Event-related potentials during preattentional processing of color stimuli
Liu, Tongran1,2; Shi, Jiannong1
2008-08-06
发表期刊NEUROREPORT
ISSN0959-4965
文章类型Article
卷号19期号:12页码:1221-1225
摘要To investigate whether visual mismatch negativity (VMMN) could be evoked in the preattentional condition, we designed an oddball task with different red color stimuli in visual modality. Electroencephalograms were recorded and VMMN and N2-P3 complex waveforms were analyzed. The results indicated that VMMN generated at occipital region with 110-180 ms peak latency, and N2b and P3a were just following VMMN with 170-300 and 400-450ms latencies, respectively. VMMN, N2b, and P3a components were all affected by the amount of deviations between the standard stimuli and deviant stimuli. This study further proved that VMMN existed under hard detection condition in color-related visual modality, and this design distinguished early sensory processing and late sensory processing successfully as well.; To investigate whether visual mismatch negativity (VMMN) could be evoked in the preattentional condition, we designed an oddball task with different red color stimuli in visual modality. Electroencephalograms were recorded and VMMN and N2-P3 complex waveforms were analyzed. The results indicated that VMMN generated at occipital region with 110-180 ms peak latency, and N2b and P3a were just following VMMN with 170-300 and 400-450ms latencies, respectively. VMMN, N2b, and P3a components were all affected by the amount of deviations between the standard stimuli and deviant stimuli. This study further proved that VMMN existed under hard detection condition in color-related visual modality, and this design distinguished early sensory processing and late sensory processing successfully as well.
关键词event-related potentials mismatch negativity preattentional processing vision
学科领域认知神经科学
收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000258022900011
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被引频次:9[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/311026/5393
专题中国科学院心理研究所回溯数据库(1956-2010)
作者单位1.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
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Liu, Tongran,Shi, Jiannong. Event-related potentials during preattentional processing of color stimuli[J]. NEUROREPORT,2008,19(12):1221-1225.
APA Liu, Tongran,&Shi, Jiannong.(2008).Event-related potentials during preattentional processing of color stimuli.NEUROREPORT,19(12),1221-1225.
MLA Liu, Tongran,et al."Event-related potentials during preattentional processing of color stimuli".NEUROREPORT 19.12(2008):1221-1225.
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