Functional compartmentalization and viewpoint generalization within the macaque face-processing system.

Functional compartmentalization and viewpoint generalization within the macaque face-processing system.
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DOI:
10.1126/science.1194908
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发表时间:
2010-11-05
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Tsao DY
Tsao DY
中科院分区:
其他
文献类型:
--
作者:
Freiwald WA;Tsao DY

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灵长类动物可以识别一系列观看条件的面孔。因此,应该存在个人身份的表示形式,因为意外图像转换(如视图方向)​​不变。我们针对了最近发现的猕猴面部处理网络,该网络由六个相互连接的面部选择区域组成,并从两个中间斑块(ML,中间侧向和MF,Mided Feldus)和两个前斑(AL,前侧侧面侧面)记录。和Am,前内侧)。我们发现,面部贴片的解剖位置与独特的功能身份相关联:面部贴片在质量上在跨方向上表示身份的方式有差异。 ML和MF中的神经元特定于视图; AL中的神经元在视图上以镜像为镜面,从而达到了部分视图。和AM的神经元,最前方的脸部几乎达到了全部视图。
Primates can recognize faces across a range of viewing conditions. Representations of individual identity should thus exist that are invariant to accidental image transformations like view direction. We targeted the recently discovered face-processing network of the macaque monkey that consists of six interconnected face-selective regions and recorded from the two middle patches (ML, middle lateral, and MF, middle fundus) and two anterior patches (AL, anterior lateral, and AM, anterior medial). We found that the anatomical position of a face patch was associated with a unique functional identity: Face patches differed qualitatively in how they represented identity across head orientations. Neurons in ML and MF were view-specific; neurons in AL were tuned to identity mirror-symetrically across views, thus achieving partial view invariance; and neurons in AM, the most anterior face patch, achieved almost full view invariance.
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