Reworking the language network.

Reworking the language network.
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DOI:
10.1016/j.tics.2013.12.006
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发表时间:
2014-03
影响因子:
19.9
通讯作者:
Thompson-Schill, Sharon L.
Thompson-Schill, Sharon L.
中科院分区:
心理学1区
文献类型:
--
作者:
Fedorenko, Evelina;Thompson-Schill, Sharon L.

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先前对功能特化的研究集中在特定大脑区域的反应模式上。鉴于对区域协变的日益重视,我们提议从大脑“网络”(由某些心理过程共同激活的区域集合)的角度重新构建这些问题。尽管语言网络的研究面临诸多挑战,但网络方法可能有助于理解语言的认知架构。我们提出,一个语言网络可能包括一个功能特化的“核心”(在语言处理过程中相互共同激活的大脑区域),以及一个通用领域的“边缘”(一组大脑区域,有时可能与语言核心区域共同激活,但在其他时候根据任务需求与其他特化系统共同激活)。像这样围绕网络特性展开讨论可能是一种更有成效的方式,有助于推进我们对语言神经生物学的理解。
Prior investigations of functional specialization have focused on the response profiles of particular brain regions. Given the growing emphasis on regional covariation, we propose to reframe these questions in terms of brain “networks” (collections of regions jointly engaged by some mental process). In spite of the challenges that investigations of the language network face, a network approach may prove useful in understanding the cognitive architecture of language. We propose that a language network plausibly includes a functionally specialized “core” (brain regions that coactivate with each other during language processing), and a domain-general “periphery” (a set of brain regions that may coactivate with the language core regions sometimes, but with other specialized systems at other times, depending on task demands). Framing the debate around network properties such as this may prove to be a more fruitful way to advance our understanding of the neurobiology of language.
DOI: 10.1177/1745691612469021
发表时间: 2013-01
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