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alpha 和 theta 波段活动的相互作用使我们能够管理目标导向行为的感知-动作表现。

Interplay between alpha and theta band activity enables management of perception-action representations for goal-directed behavior.

机构信息

Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine of the TU Dresden, Dresden, Germany.

University Neuropsychology Center, Faculty of Medicine, Dresden, Germany.

出版信息

Commun Biol. 2023 May 6;6(1):494. doi: 10.1038/s42003-023-04878-z.

Abstract

Goal-directed behavior requires integrated mental representations of perceptions and actions. The neurophysiological underpinnings of these processes, however, are not yet understood. It is particularly undetermined, which oscillatory activities in which brain regions are involved in the management of perception-action representations. We examine this question with a focus on response inhibition processes and show that the dynamics of perception-action representations reflected in theta band activity (TBA) are particularly evident in the supplementary motor area and the occipito-temporal cortex. Mental representations coded in alpha band activity (ABA) during perception-action integration are associated with the occipito-temporal cortex. Crucially, perception-action representations are exchanged between theta and alpha frequency bands. The results imply that ABA functions as dynamic top-down control over binding, retrieval and reconfiguration processes during response inhibition, which in turn are reflected by TBA. Our study thus highlights how the interplay of oscillatory activity enables the management of perception-action representations for goal-directed behavior.

摘要

目标导向行为需要对感知和行为进行综合的心理表征。然而,这些过程的神经生理学基础尚不清楚。特别不确定的是,在管理感知-动作表征时,哪些脑区的振荡活动参与其中。我们通过关注反应抑制过程来研究这个问题,并表明反映在 theta 波段活动 (TBA) 中的感知-动作表征的动力学在补充运动区和枕颞皮层中尤为明显。在感知-动作整合过程中编码的心理表征与枕颞皮层相关。至关重要的是,感知-动作表征在 theta 和 alpha 频段之间交换。研究结果表明,ABA 作为动态自上而下的控制,用于在反应抑制期间进行绑定、检索和重新配置过程,而 TBA 则反映了这一点。因此,我们的研究强调了振荡活动的相互作用如何为目标导向行为管理感知-动作表征。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7e79/10164171/03aeb137cecc/42003_2023_4878_Fig1_HTML.jpg

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