认知神经科学中的特定过程联盟 (PSAs)。
Process-Specific Alliances (PSAs) in Cognitive Neuroscience.
机构信息
Center for Cognitive Neuroscience, Duke University, Durham, NC, USA; Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
Center for Cognitive Neuroscience, Duke University, Durham, NC, USA; Department of Psychology and Neuroscience, Duke University, Durham, NC, USA.
出版信息
Trends Cogn Sci. 2018 Nov;22(11):996-1010. doi: 10.1016/j.tics.2018.08.005. Epub 2018 Sep 14.
Abstract
Most cognitive neuroscience theories have focused on the functions of individual brain regions, but cognitive abilities depend also on functional interactions among multiple regions. Many recent studies on these interactions have examined large-scale, resting-state networks, but these networks are difficult to link to theories about specific cognitive processes. Cognitive theories are easier to link to the mini-networks we call process specific alliances (PSAs). A PSA is a small team of brain regions that rapidly assemble to mediate a cognitive process in response to task demands but quickly disassemble when the process is no longer needed. We compare PSAs to resting-state networks and to other connectivity-based, task-related networks, and we characterize the advantages and disadvantages of each type of network.
摘要
大多数认知神经科学理论都集中在单个脑区的功能上，但认知能力也取决于多个脑区之间的功能相互作用。最近许多关于这些相互作用的研究都检查了大规模的静息状态网络，但这些网络很难与关于特定认知过程的理论联系起来。认知理论更容易与我们称之为特定过程联盟 (PSA) 的小型网络联系起来。PSA 是一个由大脑区域组成的小组，它们会迅速组装起来，以响应任务需求来调节认知过程，但在不再需要该过程时会迅速解散。我们将 PSA 与静息状态网络以及其他基于连接性的任务相关网络进行比较，并描述每种类型网络的优缺点。
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