The response of face-selective cortex with single face parts and part combinations.

The response of face-selective cortex with single face parts and part combinations.
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DOI:
10.1016/j.neuropsychologia.2012.06.016
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发表时间:
2012-08
期刊:
影响因子:
2.6
通讯作者:
James TW
James TW
中科院分区:
心理学3区
文献类型:
--
作者:
Arcurio LR;Gold JM;James TW

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物体识别研究的一个关键问题是视觉系统如何分析物体的各个部分并将其组合成一个感知整体。然而,之前的大多数研究都研究了物体部分的变化如何影响整体的识别,而不是部分本身的识别。对于人脸识别的研究尤其如此,尤其是与神经基质相关的问题。在这里,我们研究了 BOLD fMRI 大脑激活模式,其中面部内部部分(特征)单独呈现或以不同组合呈现。在枕面部区域(OFA)发现对单一特征的偏好超过组合,以及对两只眼睛组合刺激的偏好超过其他组合刺激类型。梭形面部区域(FFA)和外侧枕叶皮层(LO)在单一特征和组合刺激类型之间没有表现出偏好。结果与越来越多的观点一致,即 OFA 代表了早期基于特征的分析所涉及的流程。
A critical issue in object recognition research is how the parts of an object are analyzed by the visual system and combined into a perceptual whole. However, most of the previous research has examined how changes to object parts influence recognition of the whole, rather than recognition of the parts themselves. This is particularly true of the research on face recognition, and especially with questions related to the neural substrates. Here, we investigated patterns of BOLD fMRI brain activation with internal face parts (features) presented singly and in different combinations. A preference for single features over combinations was found in the occipital face area (OFA) as well as a preference for the two-eyes combination stimulus over other combination stimulus types. The fusiform face area (FFA) and lateral occipital cortex (LO) showed no preferences among the single feature and combination stimulus types. The results are consistent with a growing view that the OFA represents processes involved in early, feature-based analysis.
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发表时间: 1986-01-01
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