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The ventral visual pathway: An expanded neural framework for the processing of object quality

机译:腹侧视觉通路:用于处理物体质量的扩展神经框架

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摘要

Since the original characterization of the ventral visual pathway, our knowledge of its neuroanatomy, functional properties, and extrinsic targets has grown considerably. Here we synthesize this recent evidence and propose that the ventral pathway is best understood as a recurrent occipitotemporal network containing neural representations of object quality both utilized and constrained by at least six distinct cortical and subcortical systems. Each system serves its own specialized behavioral, cognitive, or affective function, collectively providing the raison d'être for the ventral visual pathway. This expanded framework contrasts with the depiction of the ventral visual pathway as a largely serial staged hierarchy culminating in singular object representations and more parsimoniously incorporates attentional, contextual, and feedback effects.
机译:自从腹侧视觉通路的最初特征以来,我们对其神经解剖学,功能特性和外在靶点的了解就大大增加了。在这里,我们综合了这一最新证据,并提出,最好将腹侧通路理解为循环枕颞网络,该网络包含对象质量的神经表示,并至少由六个不同的皮质和皮质下系统利用和约束。每个系统都有自己专门的行为,认知或情感功能,共同为腹侧视觉通路提供存在的理由。这种扩展的框架与腹侧视觉通路的描述形成了鲜明的对比,腹侧视觉通路是一个主要由一系列连续阶段构成的层次结构,最终以单个对象表示形式达到顶峰,并且更加简约地融合了注意力,上下文和反馈效果。

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