Medial axis shape coding in macaque inferotemporal cortex.
Medial axis shape coding in macaque inferotemporal cortex.
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DOI：
10.1016/j.neuron.2012.04.029
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发表时间：
2012-06-21
期刊：
影响因子：
16.2
通讯作者：
Connor CE
中科院分区：
文献类型：
--
作者：
Hung CC;Carlson ET;Connor CE
The basic, still unanswered question about visual object representation is this: what specific information is encoded by neural signals? Theorists have long predicted that neurons would encode medial axis or skeletal object shape, yet recent studies reveal instead neural coding of boundary or surface shape. Here, we addressed this theoretical/experimental disconnect, using adaptive shape sampling to demonstrate for the first time explicit coding of medial axis shape in high-level object cortex (macaque monkey inferotemporal cortex or IT). Our metric shape analyses revealed a coding continuum, along which most neurons represent a configuration of both medial axis and surface components. Thus IT response functions embody a rich basis set for simultaneously representing skeletal and external shape of complex objects. This would be especially useful for representing biological shapes, which are often characterized by both complex, articulated skeletal structure and specific surface features.
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DOI：
10.1126/science.1194908
发表时间：
2010-11-05
期刊：
Science (New York, N.Y.)
影响因子：
--
作者：
Freiwald WA;Tsao DY
通讯作者：
Tsao DY
影响因子：
25
作者：
Freiwald, Winrich A.;Tsao, Doris Y.;Livingstone, Margaret S.
通讯作者：
Livingstone, Margaret S.
影响因子：
64.8
作者：
HE, ZJJ;NAKAYAMA, K
通讯作者：
NAKAYAMA, K
影响因子：
3.7
作者：
Felleman, Daniel J.;Van Essen, David C.
通讯作者：
Van Essen, David C.
影响因子：
56.9
作者：
Janssen, P;Vogels, R;Orban, CA
通讯作者：
Orban, CA