Prior conscious experience modulates the impact of audiovisual temporal correspondence on unconscious visual processing

IF 2.1 3区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL Consciousness and Cognition Pub Date : 2024-05-22 DOI:10.1016/j.concog.2024.103709
Hyun-Woong Kim , Minsun Park , Yune Sang Lee , Chai-Youn Kim
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Abstract

Conscious visual experiences are enriched by concurrent auditory information, implying audiovisual interactions. In the present study, we investigated how prior conscious experience of auditory and visual information influences the subsequent audiovisual temporal integration under the surface of awareness. We used continuous flash suppression (CFS) to render perceptually invisible a ball-shaped object constantly moving and bouncing inside a square frame window. To examine whether audiovisual temporal correspondence facilitates the ball stimulus to enter awareness, the visual motion was accompanied by click sounds temporally congruent or incongruent with the bounces of the ball. In Experiment 1, where no prior experience of the audiovisual events was given, we found no significant impact of audiovisual correspondence on visual detection time. However, when the temporally congruent or incongruent bounce-sound relations were consciously experienced prior to CFS in Experiment 2, congruent sounds yielded faster detection time compared to incongruent sounds during CFS. In addition, in Experiment 3, explicit processing of the incongruent bounce-sound relation prior to CFS slowed down detection time when the ball bounces became later congruent with sounds during CFS. These findings suggest that audiovisual temporal integration may take place outside of visual awareness though its potency is modulated by previous conscious experiences of the audiovisual events. The results are discussed in light of the framework of multisensory causal inference.

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先前的有意识经验会调节视听时间对应对无意识视觉处理的影响
同时出现的听觉信息丰富了有意识的视觉体验,这意味着视听的相互作用。在本研究中,我们探讨了先前有意识的听觉和视觉信息体验如何影响随后意识表面下的视听时空整合。我们使用连续闪光抑制(CFS)使一个在方形框架窗口内不断移动和弹跳的球形物体在知觉上不可见。为了研究视听时间对应是否有助于球刺激进入意识,我们在视觉运动的同时发出了与球弹跳时间一致或不一致的咔嗒声。在实验 1 中,我们发现视听对应对视觉检测时间没有显著影响。然而,在实验 2 中,如果在 CFS 之前有意识地体验了时间上一致或不一致的弹跳-声音关系,那么在 CFS 期间,与不一致的声音相比,一致的声音产生的检测时间更快。此外,在实验 3 中,当球的弹跳与 CFS 期间的声音变得一致时,CFS 之前对不一致的弹跳-声音关系的明确处理会减慢检测时间。这些研究结果表明,视听时间整合可能发生在视觉意识之外,但其效力会受到之前对视听事件的意识体验的调节。我们将根据多感官因果推理框架对这些结果进行讨论。
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来源期刊
Consciousness and Cognition
Consciousness and Cognition PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.30
自引率
8.30%
发文量
123
期刊介绍: Consciousness and Cognition: An International Journal provides a forum for a natural-science approach to the issues of consciousness, voluntary control, and self. The journal features empirical research (in the form of regular articles and short reports) and theoretical articles. Integrative theoretical and critical literature reviews, and tutorial reviews are also published. The journal aims to be both scientifically rigorous and open to novel contributions.
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