The role of alpha oscillations for illusory perception.
The role of alpha oscillations for illusory perception.
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DOI：
10.1016/j.bbr.2014.06.015
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发表时间：
2014-09-01
影响因子：
2.7
通讯作者：
Weisz, Nathan
中科院分区：
文献类型：
--
作者：
Lange, Joachim;Keil, Julian;Schnitzler, Alfons;van Dijk, Hanneke;Weisz, Nathan
我们回顾研究表明，阿尔法振荡错觉的重要作用。α振荡的功率和/或相位影响错觉。阿尔法振荡影响视觉，听觉和多感官错觉。在错觉感知之前和/或期间发现α振荡的调制。α振荡是一个突出的电生理信号测量范围广泛的物种和皮层和皮层下的网站。长期以来，阿尔法振荡一直被视为一种“空转”节奏，纯粹反映了不活跃的网站。尽管早期的证据来自神经生理学，但直到最近，认知神经科学才意识到阿尔法振荡可以极大地影响感知和行为。阿尔法对感知的积极作用的证据主要来自几个视觉，近阈值实验。在当前的综述中，我们通过总结研究来扩展这一观点，这些研究显示了阿尔法定义的大脑状态与错觉感知的关系，即感知报告不能通过不同的刺激或刺激特征“客观”验证的情况。这些研究表明，正在进行的或刺激前的α振荡实质上影响听觉，视觉或多感官错觉的感知。
We review studies showing a crucial role of alpha oscillations for illusory perception. Power and/or phase of alpha oscillations influence illusory perception. Alpha oscillations influence visual, auditory and multisensory illusions. Modulations of alpha oscillations are found before and/or during illusory perception. Alpha oscillations are a prominent electrophysiological signal measured across a wide range of species and cortical and subcortical sites. Alpha oscillations have been viewed for a long time as an “idling” rhythm, purely reflecting inactive sites. Despite earlier evidence from neurophysiology, awareness that alpha oscillations can substantially influence perception and behavior has grown only recently in cognitive neuroscience. Evidence for an active role of alpha for perception comes mainly from several visual, near-threshold experiments. In the current review, we extend this view by summarizing studies showing how alpha-defined brain states relate to illusory perception, i.e. cases of perceptual reports that are not “objectively” verifiable by distinct stimuli or stimulus features. These studies demonstrate that ongoing or prestimulus alpha oscillations substantially influence the perception of auditory, visual or multisensory illusions.
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