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Alternative TitleNeural mechanisms for visual bistable perception
徐辉1,2; 白云仙1,2; 秦超逸1,2; 王亮1,2,3
First Author徐辉


Other Abstract

When faced with various kinds of ambiguous stimuli in this complex world, human brain can involuntarily alternate switching between exclusively subjective percepts towards specific objects, each of which makes meaningful cognitive interpretation. Bistable perception is a very common phenomenon in our daily life and plays an important role in human perception, which also provides a unique way to study human consciousness quantitatively. In this review we first systematically summarize recent studies of bistable perception in vision (including structure from motion, ambiguous figures, apparent quartet dots motion and binocular rivalry), including the definition of these bistable phenomena, approaches that researchers have used to study bistable perception and the conclusions that have been drawn. Then we give a discussion on one of the most important questions about perception stability, like what the influence factors are, to what extent these factors affect the bistable stability and how these factors exert such influences. Furthermore we summarize several theoretical models concerning the explanation of bistable phenomenon and point out several directions for future research, which could help provide a novel perspective of visual bistable perception. In recent years, as new techniques are becoming prevalent such as fMRI and electrophysiology, the neural mechanisms of visual bistable perception based on structure from motion, ambiguous figure, quartet dots and binocular rivalry have been widely studied. By combining behavioral experiment with neural measurements, we have largely promoted the understanding of neural mechanisms underlying bistable perception. Some studies of visual bistable perception also focus on perception stability. There are two methods to present the bistable stimuli: interval and continuous. Perception stability here refers to dominant perception of longer duration under interval presentation and subjective perception switches with certain regularity. However, these studies have been limited to behavioral experiments, which need to combine electrophysiological and fMRI techniques to explore which brain areas are involved in perception stability, and how the stability of perception works in parallel under the interval presentation. Visual bistable perception provides a unique way to understand how the brain generates alternative awareness under the constant stimulus. However, the underlying mechanism is still unclear. Recently many studies have proposed several theoretical models to explain neural mechanisms of visual bistable perception, including neuronal excitability-inhibition model, bottom-up and top-down circuit processing model. In contrast to others, more and more experimental data support top-down processing model that emphasizes on how high-level brain areas such as frontal and parietal cortex feedback information to the lower-level brain regions to modulate the switching between bistable perceptions. Though increasing studies are focusing on frontal-parietal network, a recent study claims that the activity of frontal-parietal network is associated with action response to perception switching. Hence the underlying mechanism is still unclear. Do different bistable stimuli share a common neural mechanism? Can one key area or a functional network be sufficient to causally trigger perception switching? Do different experimental paradigms entail commonalities and specificities? How can experiment data be used to test the current models? To answer all these questions and fully unveil neural mechanisms of visual bistable perception, there’s still a lot of work to be done.

Keyword视觉双稳态知觉 运动产生的结构 知觉稳定性 自上而下加工模型
Subject Area生理心理学/生物心理学
Source Publication科学通报
Indexed ByCSCD ; 中文核心期刊要目总览
Citation statistics
Document Type期刊论文
Corresponding Author王亮
First Author AffilicationKey Laboratory of Mental Health, CAS
Corresponding Author AffilicationKey Laboratory of Mental Health, CAS
Recommended Citation
GB/T 7714
徐辉,白云仙,秦超逸,等. 视觉双稳态知觉的神经机制[J]. 科学通报,2016,61(32):3464-3475.
APA 徐辉,白云仙,秦超逸,&王亮.(2016).视觉双稳态知觉的神经机制.科学通报,61(32),3464-3475.
MLA 徐辉,et al."视觉双稳态知觉的神经机制".科学通报 61.32(2016):3464-3475.
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