Early audiovisual integration in target processing under continuous noise: Behavioral and EEG evidence

IF 2 3区心理学 Q3 BEHAVIORAL SCIENCES

Neuropsychologia Pub Date : 2025-03-18 DOI:10.1016/j.neuropsychologia.2025.109128

Junjie Wang , Mingkun Guo , Jie Zhang , Yanru Bai , Guangjian Ni

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引用次数: 0

Abstract

Multisensory integration is interconnected across various information reception. The stage and mechanism of brain response to audiovisual integration have not been fully understood. In this study, we designed audiovisual and unisensory experiments to investigate task performance and electrophysiological characteristics associated with audiovisual integration in a continuous background interference environment using materials collected from the underwater environment. Behavioral results showed that the reaction time (RT) was shorter, and the accuracy was higher in the audiovisual experiment. The cumulative distribution function (CDF) results of RT indicated that audiovisual integration supported the co-activation model. Event-related potential (ERP) results revealed shorter latency of the P1 and N1 components in the audiovisual experiment. Microstate analysis indicated that the parietal-occipital area may play a key role in audiovisual integration. Moreover, event-related spectral perturbation (ERSP) results demonstrated the critical role of low-frequency oscillation in audiovisual integration at the early stage. Our findings support the view that the beneficial effect of audiovisual integration is predominantly upon the early stage of neural information processing, including task-independent information.

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连续噪声下目标加工的早期视听整合：行为和脑电图证据。

多感觉统合是通过各种信息接收相互联系的。大脑对视听整合反应的阶段和机制尚不完全清楚。在这项研究中，我们设计了视听和异感实验，利用从水下环境收集的材料，研究在连续背景干扰环境下与视听整合相关的任务表现和电生理特征。行为学结果表明，在视听实验中，反应时间（RT）较短，准确度较高。RT的累积分布函数（CDF）结果表明，视听整合支持共激活模型。事件相关电位（ERP）结果显示，在视听实验中P1和N1成分的潜伏期较短。微观状态分析表明，顶枕区可能在视听整合中起关键作用。此外，事件相关谱摄动（event- correlation spectral perturbation， ERSP）结果表明低频振荡在早期的视听整合过程中起着至关重要的作用。我们的研究结果支持了这样一种观点，即视听整合的有利影响主要发生在神经信息处理的早期阶段，包括任务无关信息。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Neuropsychologia 医学-行为科学

CiteScore

5.10

自引率

3.80%

发文量

228

审稿时长

4 months

期刊介绍： Neuropsychologia is an international interdisciplinary journal devoted to experimental and theoretical contributions that advance understanding of human cognition and behavior from a neuroscience perspective. The journal will consider for publication studies that link brain function with cognitive processes, including attention and awareness, action and motor control, executive functions and cognitive control, memory, language, and emotion and social cognition.