Neural Correlates of Covert Face Processing: fMRI Evidence from a Prosopagnosic Patient
文献类型：期刊论文
| 作者 | Liu, Jiangang1; Wang, Meiyun2; Shi, Xiaohong2; Feng, Lu3; Li, Ling1 ; Thacker, Justine Marie5; Tian, Jie3,4; Shi, Dapeng2; Lee, Kang5
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| 刊名 | CEREBRAL CORTEX
 |
| 出版日期 | 2014-08-01 |
| 卷号 | 24期号:8页码:2081-2092 |
| 关键词 | fMRI face processing fusiform gyrus prosopagnosia covert recognition |
| 英文摘要 | Brains can perceive or recognize a face even though we are subjectively unaware of the existence of that face. However, the exact neural correlates of such covert face processing remain unknown. Here, we compared the fMRI activities between a prosopagnosic patient and normal controls when they saw famous and unfamiliar faces. When compared with objects, the patient showed greater activation to famous faces in the fusiform face area (FFA) though he could not overtly recognize those faces. In contrast, the controls showed greater activation to both famous and unfamiliar faces in the FFA. Compared with unfamiliar faces, famous faces activated the controls', but not the patient's lateral prefrontal cortex (LPFC) known to be involved in familiar face recognition. In contrast, the patient showed greater activation in the bilateral medial frontal gyrus (MeFG). Functional connectivity analyses revealed that the patient's right middle fusiform gyrus (FG) showed enhanced connectivity to the MeFG, whereas the controls' middle FG showed enhanced connectivity to the LPFC. These findings suggest that the FFA may be involved in both covert and overt face recognition. The patient's impairment in overt face recognition may be due to the absence of the coupling between the right FG and the LPFC. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Neurosciences |
| 研究领域[WOS] | Neurosciences & Neurology |
| 关键词[WOS] | DISTRIBUTED CORTICAL NETWORK ; FUSIFORM GYRUS ; RECOGNITION ; PERCEPTION ; BRAIN ; AREA ; MEMORY ; LOBE ; DISSOCIATION ; INFORMATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000340068500010 |
| 源URL | [http://ir.ia.ac.cn/handle/173211/3995]  |
| 专题 | 自动化研究所_中国科学院分子影像重点实验室 |
| 作者单位 | 1.Beijing Jiaotong Univ, Sch Comp & Informat Technol, Beijing 100044, Peoples R China 2.Henan Prov Peoples Hosp, Zhengzhou 450003, Peoples R China 3.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China 4.Xidian Univ, Sch Life Sci & Technol, Xian 710071, Peoples R China 5.Univ Toronto, Dr Eric Jackman Inst Child Study, Toronto, ON M5R 2X2, Canada |
| 推荐引用方式 GB/T 7714 | Liu, Jiangang,Wang, Meiyun,Shi, Xiaohong,et al. Neural Correlates of Covert Face Processing: fMRI Evidence from a Prosopagnosic Patient[J]. CEREBRAL CORTEX,2014,24(8):2081-2092. |
| APA | Liu, Jiangang.,Wang, Meiyun.,Shi, Xiaohong.,Feng, Lu.,Li, Ling.,...&Lee, Kang.(2014).Neural Correlates of Covert Face Processing: fMRI Evidence from a Prosopagnosic Patient.CEREBRAL CORTEX,24(8),2081-2092. |
| MLA | Liu, Jiangang,et al."Neural Correlates of Covert Face Processing: fMRI Evidence from a Prosopagnosic Patient".CEREBRAL CORTEX 24.8(2014):2081-2092. |
入库方式： OAI收割
来源：自动化研究所
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