Aberrant neural correlates of multisensory processing of audiovisual social cues related to social anxiety: An electrophysiological study

心理学 社交焦虑 电生理学 多传感器集成 意识的神经相关物 社会神经科学 社交暗示 焦虑 社会交往 发展心理学 感知 认知心理学 社会认知 神经科学 认知 精神科
作者
Shuzhen Gan,Weijun Li
出处
期刊:Frontiers in Psychiatry [Frontiers Media]
卷期号:14 被引量:1
标识
DOI:10.3389/fpsyt.2023.1020812
摘要

Background Social anxiety disorder (SAD) is characterized by abnormal fear to social cues. Although unisensory processing to social stimuli associated with social anxiety (SA) has been well described, how multisensory processing relates to SA is still open to clarification. Using electroencephalography (EEG) measurement, we investigated the neural correlates of multisensory processing and related temporal dynamics in social anxiety disorder (SAD). Methods Twenty-five SAD participants and 23 healthy control (HC) participants were presented with angry and neutral faces, voices and their combinations with congruent emotions and they completed an emotional categorization task. Results We found that face-voice combinations facilitated auditory processing in multiple stages indicated by the acceleration of auditory N1 latency, attenuation of auditory N1 and P250 amplitudes, and decrease of theta power. In addition, bimodal inputs elicited cross-modal integrative activity which is indicated by the enhancement of visual P1, N170, and P3/LPP amplitudes and superadditive response of P1 and P3/LPP. More importantly, excessively greater integrative activity (at P3/LPP amplitude) was found in SAD participants, and this abnormal integrative activity in both early and late temporal stages was related to the larger interpretation bias of miscategorizing neutral face-voice combinations as angry. Conclusion The study revealed that neural correlates of multisensory processing was aberrant in SAD and it was related to the interpretation bias to multimodal social cues in multiple processing stages. Our findings suggest that deficit in multisensory processing might be an important factor in the psychopathology of SA.
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