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学科主题: 临床医学
题名:
Visual completion processing in human face perception.
作者: 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
发表日期: 2007
卷: 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
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/63619
Appears in Collections:北京大学第一临床医学院_神经内科_期刊论文

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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

Recommended Citation:
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.
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