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A real-world size organization of object responses in occipitotemporal cortex.

Abstract：

:While there are selective regions of occipitotemporal cortex that respond to faces, letters, and bodies, the large-scale neural organization of most object categories remains unknown. Here, we find that object representations can be differentiated along the ventral temporal cortex by their real-world size. In a functional neuroimaging experiment, observers were shown pictures of big and small real-world objects (e.g., table, bathtub; paperclip, cup), presented at the same retinal size. We observed a consistent medial-to-lateral organization of big and small object preferences in the ventral temporal cortex, mirrored along the lateral surface. Regions in the lateral-occipital, inferotemporal, and parahippocampal cortices showed strong peaks of differential real-world size selectivity and maintained these preferences over changes in retinal size and in mental imagery. These data demonstrate that the real-world size of objects can provide insight into the spatial topography of object representation.

journal_name

Neuron

journal_title

Neuron

authors

Konkle T,Oliva A

doi

10.1016/j.neuron.2012.04.036

subject

Has Abstract

pub_date

2012-06-21 00:00:00

pages

1114-24

issue

6

eissn

0896-6273

issn

1097-4199

pii

S0896-6273(12)00441-2

journal_volume

74

pub_type

杂志文章

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