Department of Psychology, University of Minnesota Twin Cities, Minneapolis, Minnesota.
Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213.
Hum Brain Mapp. 2019 Jun 1;40(8):2422-2433. doi: 10.1002/hbm.24533. Epub 2019 Jan 31.
When ambiguous visual stimuli have multiple interpretations, human perception can alternate between them, producing perceptual multistability. There is a large variation between individuals in how long stable percepts endure, on average, between switches, but the underlying neural basis of this individual difference in perceptual dynamics remains obscure. Here, we show that in one widely studied multistable paradigm-binocular rivalry-perceptual stability in individuals is predicted by the frequency of their neural oscillations within the alpha range (7-13 Hz). Our results suggest revising models of rivalry to incorporate effects of neural oscillations on perceptual alternations, and raise the possibility that a common factor may influence dynamics in many neural processes.
当视觉刺激存在多种解释时，人类的感知可以在它们之间交替，从而产生知觉的多重稳定性。在稳定知觉的持续时间（平均在转换之间）方面，个体之间存在很大差异，但这种知觉动态个体差异的潜在神经基础仍然不清楚。在这里，我们表明，在一个广泛研究的多重稳定范式——双眼竞争中，个体的知觉稳定性可以通过其在α范围内（7-13 Hz）的神经振荡频率来预测。我们的研究结果表明，需要对竞争模型进行修正，以纳入神经振荡对感知交替的影响，并提出一个共同因素可能会影响许多神经过程动态的可能性。
