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首页> 外文期刊>Neuron >Anatomical Connections of the Functionally Defined 'Face Patches'' in the Macaque Monkey
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Anatomical Connections of the Functionally Defined 'Face Patches'' in the Macaque Monkey

机译：猕猴中功能定义的“面部贴片”的解剖学连接

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The neural circuits underlying face recognition provide a model for understanding visual object representation, social cognition, and hierarchical information processing. A fundamental piece of information lacking to date is the detailed anatomical connections of the face patches. Here, we injected retrograde tracers into four different face patches (PL, ML, AL, AM) to characterize their anatomical connectivity. We found that the patches are strongly and specifically connected to each other, and individual patches receive inputs from extrastriate cortex, the medial temporal lobe, and three subcortical structures (the pulvinar, claustrum, and amygdala). Inputs from prefrontal cortex were surprisingly weak. Patches were densely interconnected to one another in both feedforward and feedback directions, inconsistent with a serial hierarchy. These results provide the first direct anatomical evidence that the face patches constitute a highly specialized system and suggest that subcortical regions may play a vital role in routing face-related information to subsequent processing stages.
机译：面部识别基础的神经回路提供了一个模型，用于理解视觉对象表示，社交认知和分层信息处理。迄今为止缺乏的基本信息是面部贴片的详细解剖学连接。在这里，我们将逆行示踪剂注入到四个不同的面部补丁（PL，ML，AL，AM）中，以表征其解剖学连通性。我们发现，斑块彼此之间牢固且特定地相连，并且各个斑块都接受了来自皮质外皮层，颞中叶和三个皮质下结构（胸膜，锁骨和杏仁核）的输入。前额叶皮层的输入令人惊讶地薄弱。补丁在前馈和反馈方向上彼此密集地互连，这与串行层次结构不一致。这些结果提供了第一个直接的解剖学证据，表明人脸补丁构成了高度专业化的系统，并表明皮层下区域可能在将人脸相关信息路由到后续处理阶段中起着至关重要的作用。

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