Spatial coding and invariance in object-selective cortex

被引：46

作者：

Carlson, Thomas ^{[1
,2
,3
,4
]}

Hogendoorn, Hinze ^{[2
,3
,4
]}

Fonteijn, Hubert ^{[3
,4
]}

Verstraten, Frans A. J. ^{[3
,4
]}

机构：

[1] Univ Maryland, Dept Psychol, College Pk, MD 20740 USA

[2] Harvard Univ, Dept Psychol, Vis Sci Lab, Cambridge, MA 02138 USA

[3] Univ Utrecht, Helmholtz Inst, NL-3508 TC Utrecht, Netherlands

[4] Radboud Univ Nijmegen, FC Donders Ctr Cognit Neuroimaging, Nijmegen, Netherlands

来源：

CORTEX | 2011年 / 47卷 / 01期

关键词：

Object recognition; fMRI; Spatial coding; Object invariance; LATERAL OCCIPITAL COMPLEX; VISUAL AWARENESS; RECOGNITION; PATTERNS; AREAS; INFORMATION; PERCEPTION; LOCATION; CATEGORY; POSITION;

D O I：

10.1016/j.cortex.2009.08.015

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

The present study examined the coding of spatial position in object selective cortex. Using functional magnetic resonance imaging (fMRI) and pattern classification analysis, we find that three areas in object selective cortex, the lateral occipital cortex area (LO), the fusiform face area (FFA), and the parahippocampal place area (PPA), robustly code the spatial position of objects. The analysis further revealed several anisotropies (e.g., horizontal/vertical asymmetry) in the representation of visual space in these areas. Finally, we show that the representation of information in these areas permits object category information to be extracted across varying locations in the visual field; a finding that suggests a potential neural solution to accomplishing translation invariance. (C) 2009 Elsevier Srl. All rights reserved.

引用

页码：14 / 22

页数：9

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