Maps and streams in the auditory cortex: nonhuman primates illuminate human speech processing.

Maps and streams in the auditory cortex: nonhuman primates illuminate human speech processing.
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DOI:
10.1038/nn.2331
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发表时间:
2009-06
影响因子:
25
通讯作者:
Scott, Sophie K.
Scott, Sophie K.
中科院分区:
医学1区
文献类型:
--
作者:
Rauschecker, Josef P.;Scott, Sophie K.

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言语和语言被认为是人类独有的能力:动物有交流系统,但在递归结构和组合能力方面,它们无法与人类的语言技能相匹配。然而,在进化过程中,口语一定是从动物身上至少部分可用的神经机制中产生的。在本文中,我们将展示我们对语言的一个重要方面--言语感知的理解是如何从非人类灵长类动物研究的发现和理论中获益的。其中最主要的是生理学和解剖学研究,表明灵长类听觉皮层,跨物种,显示出层次结构,地形图和功能处理流的模式。我们将确定不同皮层区域在语音感知处理中的作用,并回顾人类的功能成像工作,这些工作与我们对大脑如何解码和监控语音的理解有关。一个新的模型将颞叶、额叶和顶叶的结构连接起来,将语音感知和产生联系起来。
Speech and language are considered uniquely human abilities: animals have communication systems, but they do not match human linguistic skills in terms of recursive structure and combinatorial power. Yet, in evolution, spoken language must have emerged from neural mechanisms at least partially available in animals. In this paper, we will demonstrate how our understanding of speech perception, one important facet of language, has profited from findings and theory in nonhuman primate studies. Chief among these are physiological and anatomical studies showing that primate auditory cortex, across species, shows patterns of hierarchical structure, topographic mapping and streams of functional processing. We will identify roles for different cortical areas in the perceptual processing of speech and review functional imaging work in humans that bears on our understanding of how the brain decodes and monitors speech. A new model connects structures in the temporal, frontal and parietal lobes linking speech perception and production.
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发表时间: 2003-06-05
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