Temporal Alignment but not Complexity of Audiovisual Stimuli Influences Crossmodal Duration Percepts.

IF 1.8 4区 心理学 Q3 BIOPHYSICS Multisensory Research Pub Date : 2021-10-08 DOI:10.1163/22134808-bja10062
Alexandra N Scurry, Daniela M Lemus, Fang Jiang
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Abstract

Reliable duration perception is an integral aspect of daily life that impacts everyday perception, motor coordination, and subjective passage of time. The Scalar Expectancy Theory (SET) is a common model that explains how an internal pacemaker, gated by an external stimulus-driven switch, accumulates pulses during sensory events and compares these accumulated pulses to a reference memory duration for subsequent duration estimation. Second-order mechanisms, such as multisensory integration (MSI) and attention, can influence this model and affect duration perception. For instance, diverting attention away from temporal features could delay the switch closure or temporarily open the accumulator, altering pulse accumulation and distorting duration perception. In crossmodal duration perception, auditory signals of unequal duration can induce perceptual compression and expansion of durations of visual stimuli, presumably via auditory influence on the visual clock. The current project aimed to investigate the role of temporal (stimulus alignment) and nontemporal (stimulus complexity) features on crossmodal, specifically auditory over visual, duration perception. While temporal alignment revealed a larger impact on the strength of crossmodal duration percepts compared to stimulus complexity, both features showcase auditory dominance in processing visual duration.

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视听刺激的时间一致性而非复杂性会影响跨模态时长感知
可靠的时长感知是日常生活中不可或缺的一个方面,它影响着日常感知、运动协调和主观时间流逝。标量期望理论(SET)是一种常见的模型,它解释了内部起搏器如何在外部刺激驱动的开关作用下,在感觉事件发生时积累脉冲,并将这些积累的脉冲与参考记忆持续时间进行比较,以进行后续的持续时间估计。多感觉统合(MSI)和注意力等二阶机制会影响这一模型并影响持续时间感知。例如,将注意力从时间特征上转移开可能会延迟开关闭合或暂时打开累积器,从而改变脉冲累积并扭曲持续时间感知。在跨模态时长感知中,时长不等的听觉信号可能通过听觉对视觉时钟的影响,引起视觉刺激时长的压缩和扩展。本项目旨在研究时间特征(刺激对齐)和非时间特征(刺激复杂性)对跨模态时长感知的作用,特别是听觉对视觉时长感知的作用。虽然与刺激复杂性相比,时间排列对跨模态时长感知强度的影响更大,但这两种特征都显示了听觉在处理视觉时长时的优势。
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来源期刊
Multisensory Research
Multisensory Research BIOPHYSICS-PSYCHOLOGY
CiteScore
3.50
自引率
12.50%
发文量
15
期刊介绍: Multisensory Research is an interdisciplinary archival journal covering all aspects of multisensory processing including the control of action, cognition and attention. Research using any approach to increase our understanding of multisensory perceptual, behavioural, neural and computational mechanisms is encouraged. Empirical, neurophysiological, psychophysical, brain imaging, clinical, developmental, mathematical and computational analyses are welcome. Research will also be considered covering multisensory applications such as sensory substitution, crossmodal methods for delivering sensory information or multisensory approaches to robotics and engineering. Short communications and technical notes that draw attention to new developments will be included, as will reviews and commentaries on current issues. Special issues dealing with specific topics will be announced from time to time. Multisensory Research is a continuation of Seeing and Perceiving, and of Spatial Vision.
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