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Detecting faces in pure noise images: a functional MRI study on top-down perception
Zhang, Hongchuan3,5; Liu, Jiangang6; Huber, David E.4; Rieth, Cory A.4; Tian, Jie7; Lee, Kang2
2008-01-22
发表期刊NEUROREPORT
卷号19期号:2页码:229-233
文章类型Article
摘要To assess the nature of top-down perceptual processes without contamination from bottom-up input, this functional MRI study investigated face detection in pure noise images. Greater activation was revealed for face versus nonface responses in the fusiform face area, but not in the occipital face area. Across participants, positive correlations were found for the degree of greater face-detection activation between the fusiform face area and bilateral inferior frontal gyri, suggesting a top-down pathway generating perceptual expectations. In contrast, the medial frontal, parietal, supplementary motor, parahippocampal, and striatal areas produced negative correlations between degrees of greater face-detection activation and behavioral responses, suggesting a possible role for these areas in selecting and executing appropriate responses that are based on the top-down expectations.
关键词Face Processing Functional Mri (Ffa) The Fusiform Face Area (Ofa) The Occipital Face Area Top-down Perception
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]REVERSE CORRELATION ; FRONTAL-CORTEX ; REPRESENTATIONS ; RECOGNITION ; BRAIN ; AREAS ; RESPONSES ; SYSTEM
收录类别SCI
语种英语
WOS研究方向Neurosciences & Neurology
WOS类目Neurosciences
WOS记录号WOS:000252645000019
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被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9579
专题09年以前成果
通讯作者Lee, Kang
作者单位1.Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China
2.Univ Toronto, Inst Child Study, Toronto, ON M5R 2X2, Canada
3.Univ Calif San Diego, Ctr Human Dev, La Jolla, CA 92093 USA
4.Univ Calif San Diego, Dept Psychol, La Jolla, CA 92093 USA
5.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
6.Jiao Tong Univ, Sch Comp & Informat Technol, Beijing, Peoples R China
7.Xidian Univ, Life Sci Res Ctr, Xian, Peoples R China
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GB/T 7714
Zhang, Hongchuan,Liu, Jiangang,Huber, David E.,et al. Detecting faces in pure noise images: a functional MRI study on top-down perception[J]. NEUROREPORT,2008,19(2):229-233.
APA Zhang, Hongchuan,Liu, Jiangang,Huber, David E.,Rieth, Cory A.,Tian, Jie,&Lee, Kang.(2008).Detecting faces in pure noise images: a functional MRI study on top-down perception.NEUROREPORT,19(2),229-233.
MLA Zhang, Hongchuan,et al."Detecting faces in pure noise images: a functional MRI study on top-down perception".NEUROREPORT 19.2(2008):229-233.
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