Two areas for familiar face recognition in the primate brain.

Two areas for familiar face recognition in the primate brain.
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DOI:
10.1126/science.aan1139
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发表时间:
2017-08-11
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Freiwald WA
Freiwald WA
中科院分区:
其他
文献类型:
--
作者:
Landi SM;Freiwald WA

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熟悉改变人脸识别:熟悉的面孔比不熟悉的面孔识别更准确,当不熟悉的面孔识别失败时,在困难的观看条件下识别。这种根本差异的神经基础仍不清楚。使用全脑功能磁共振成像,我们发现,与陌生面孔相比,熟悉的面孔更多地参与到猕猴面孔处理网络中。熟悉的面孔还招募了两个迄今未知的面孔区域,它们位于虹膜周围皮质和颞极内解剖学上保守的位置。这两个区域,但不是核心的人脸处理网络,对从模糊中出现的熟悉面孔做出反应,具有特征的非线性激增,类似于熟悉面孔识别的突发性。相比之下,对陌生面孔和物体的反应保持线性。因此,两个颞叶区域将核心的人脸处理网络扩展为熟悉的人脸识别系统。
Familiarity alters face recognition: Familiar faces are recognized more accurately than unfamiliar ones, and under difficult viewing conditions when unfamiliar face recognition fails. The neural basis for this fundamental difference remains unknown. Using whole-brain functional magnetic resonance imaging, we found that personally familiar faces engage the macaque face-processing network more than unfamiliar faces. Familiar faces also recruited two hitherto unknown face areas at anatomically conserved locations within the perirhinal cortex and the temporal pole. These two areas, but not the core face-processing network, responded to familiar faces emerging from a blur with a characteristic nonlinear surge, akin to the abruptness of familiar face-recognition. In contrast, responses to unfamiliar faces and objects remained linear. Thus two temporal lobe areas extend the core face-processing network into a familiar face recognition system.
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