A locus in human extrastriate cortex for visual shape analysis

被引:154
作者
Kanwisher, N [1 ]
Woods, RP [1 ]
Iacoboni, M [1 ]
Mazziotta, JC [1 ]
机构
[1] UNIV CALIF LOS ANGELES, LOS ANGELES, CA USA
关键词
D O I
10.1162/jocn.1997.9.1.133
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Positron emission tomography (PET) was used to locate an area in human extrastriate cortex that subserves a specific component process of visual object recognition. Regional blood flow increased in a bilateral extrastriate area on the inferolateral surface of the brain near the border between the occipital and temporal lobes (and a smaller area in the right fusiform gyrus) when subjects viewed line drawings of 3-dimensional objects compared to viewing scrambled drawings with no clear shape interpretation. Responses were seen for both novel and familiar objects, implicating this area in the bottom-up (i.e., memory-independent) analysis of visual shape.
引用
收藏
页码:133 / 142
页数:10
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