IR@PKUHSC  > 北京大学第一临床医学院  > 神经内科
学科主题临床医学
Visual completion processing in human face perception.
Chu, Xiang-Li2; Wang, Yin-Hua2; Wang, Yu-Ping1
关键词event-related potential face perception negativity n1 visual completion
刊名CLINICAL EEG AND NEUROSCIENCE
2007
38期:1页:49-54
收录类别SCI ; SSCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Clinical Neurology ; Neurosciences ; Neuroimaging
研究领域[WOS]Neurosciences & Neurology
关键词[WOS]HUMAN EXTRASTRIATE CORTEX ; BRAIN POTENTIALS ; OBJECT-COMPLETION ; RECOGNITION ; AREAS ; INVERSION ; CONTOURS
英文摘要

Subjects discriminated whether two sequentially presented human face pictures (S1 and S2) were identical while event-related potentials were recorded to explore the neural basis of visual completion for occluded objects. Four kinds of stimulus trials were employed: S2 and S1 were identical (match-complete); S2 and S1 were identical, but S2 was partially occluded (match-incomplete); S2 was a different face from S1 (mismatch-complete); S2 was different from S1, and was partially occluded (mismatchincomplete). Incomplete faces enhanced the amplitude of N1 compared with complete faces. The peak latency of N2 elicited by incomplete faces was delayed about 20 ms compared with complete faces. The enhancement of N1 is related to visual completion processing that requires additional time.

语种英语
WOS记录号WOS:000253443700007
引用统计
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/63619
专题北京大学第一临床医学院_神经内科
作者单位1.Peking Univ, First Hosp, Dept Neurol, Beijing, Peoples R China
2.Capital Univ Med Sci, Xuanwu Hosp, Dept Neurol, Beijing 100053, Peoples R China
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GB/T 7714
Chu, Xiang-Li,Wang, Yin-Hua,Wang, Yu-Ping. Visual completion processing in human face perception.[J]. CLINICAL EEG AND NEUROSCIENCE,2007,38(1):49-54.
APA Chu, Xiang-Li,Wang, Yin-Hua,&Wang, Yu-Ping.(2007).Visual completion processing in human face perception..CLINICAL EEG AND NEUROSCIENCE,38(1),49-54.
MLA Chu, Xiang-Li,et al."Visual completion processing in human face perception.".CLINICAL EEG AND NEUROSCIENCE 38.1(2007):49-54.
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