Perceptual rivalry with vibrotactile stimuli.
Perceptual rivalry with vibrotactile stimuli.
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DOI：
10.3758/s13414-021-02278-1
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发表时间：
2021-08
期刊：
影响因子：
--
通讯作者：
Rankin J
中科院分区：
文献类型：
--
作者：
Darki F;Rankin J
在知觉竞争中，模糊的感觉信息导致对固定刺激的知觉解释的动态变化。当参与者受到支持两种或两种以上不同解释的感觉刺激时，就会出现这种现象；这会导致可能的知觉解释之间的自发交替。知觉竞争已经被广泛地研究在不同的感觉形式上，包括视觉、听觉，以及在有限的范围内，在触觉领域。不同模糊的视觉和听觉范式的知觉竞争的共同特征是转换时间的随机性及其对输入强度操纵的依赖(Levelt的命题)。目前尚不清楚知觉竞争的总体特征是否会被触觉刺激所保留。这项研究旨在介绍一种能够产生知觉竞争的简单触觉刺激，并探索其他形式的知觉竞争的一般特征是否延伸到触觉领域。我们的结果证实了Levelt命题II扩展到触觉双稳态，并且不规则知觉变化的随机特征与非触觉通道一致。对后续知觉阶段之间的相关性分析显示，滞后1(如视觉双稳)显著正相关，滞后2负相关(与视觉双稳相反)。网上版载有补充材料，可在10.3758/s13414-021-02278-1查阅。
In perceptual rivalry, ambiguous sensory information leads to dynamic changes in the perceptual interpretation of fixed stimuli. This phenomenon occurs when participants receive sensory stimuli that support two or more distinct interpretations; this results in spontaneous alternations between possible perceptual interpretations. Perceptual rivalry has been widely studied across different sensory modalities including vision, audition, and to a limited extent, in the tactile domain. Common features of perceptual rivalry across various ambiguous visual and auditory paradigms characterize the randomness of switching times and their dependence on input strength manipulations (Levelt’s propositions). It is still unclear whether the general characteristics of perceptual rivalry are preserved with tactile stimuli. This study aims to introduce a simple tactile stimulus capable of generating perceptual rivalry and explores whether general features of perceptual rivalry from other modalities extend to the tactile domain. Our results confirm that Levelt’s proposition II extends to tactile bistability, and that the stochastic characteristics of irregular perceptual alternations agree with non-tactile modalities. An analysis of correlations between subsequent perceptual phases reveals a significant positive correlation at lag 1 (as found in visual bistability), and a negative correlation for lag 2 (in contrast with visual bistability). The online version contains supplementary material available at 10.3758/s13414-021-02278-1.
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