视听演示对视觉定位错误的影响:一种还是多种多感官机制?

IF 1.8 4区 心理学 Q3 BIOPHYSICS
Cristina Jordão Nazaré, Armando Mónica Oliveira
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引用次数: 0

摘要

本研究探讨了声音的时间和空间特性在多大程度上调节了空间定位任务中的视觉运动处理。受试者被要求找出移动的视觉目标意外消失的位置。在不同的任务中,伴随声音的起始时间、偏移时间和/或相对于视觉运动的位置在受试者内部都有不同。声音的开始对定位误差没有影响。结果表明,声音偏移会调节视觉偏移位置的感知,无论是在时间上还是在空间上。这种调节与声音的时间或位置的吸引力并不一致,但在时间差异的情况下,明显的双峰增强。在穿插的纯视觉试验中,也发现了视听演示的情境效应的有利迹象。短时间的声音引导偏移不同步与视听偏移同步具有同等的益处,这表明在这些条件下,受时间窗口限制的早期机制参与其中。然而,我们初步假设,整个研究结果及其与以往研究的比较需要其他机制的贡献,包括听觉-视觉关联的学习-检测和内源性注意的跨感官传播。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of Audiovisual Presentations on Visual Localization Errors: One or Several Multisensory Mechanisms?

The present study examines the extent to which temporal and spatial properties of sound modulate visual motion processing in spatial localization tasks. Participants were asked to locate the place at which a moving visual target unexpectedly vanished. Across different tasks, accompanying sounds were factorially varied within subjects as to their onset and offset times and/or positions relative to visual motion. Sound onset had no effect on the localization error. Sound offset was shown to modulate the perceived visual offset location, both for temporal and spatial disparities. This modulation did not conform to attraction toward the timing or location of the sounds but, demonstrably in the case of temporal disparities, to bimodal enhancement instead. Favorable indications to a contextual effect of audiovisual presentations on interspersed visual-only trials were also found. The short sound-leading offset asynchrony had equivalent benefits to audiovisual offset synchrony, suggestive of the involvement of early-level mechanisms, constrained by a temporal window, at these conditions. Yet, we tentatively hypothesize that the whole of the results and how they compare with previous studies requires the contribution of additional mechanisms, including learning-detection of auditory-visual associations and cross-sensory spread of endogenous attention.

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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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