Increasing audiovisual speech integration in autism through enhanced attention to mouth

心理学 提示语 多传感器集成 听力学 任务(项目管理) 言语感知 认知心理学 感知 感觉系统 神经科学 医学 经济 管理
作者
Shuyuan Feng,Qiandong Wang,Yixiao Hu,Haoyang Lu,Tianbi Li,Song Ci,Jing Fang,Lihan Chen,Li Yi
出处
期刊:Developmental Science [Wiley]
卷期号:26 (4) 被引量:9
标识
DOI:10.1111/desc.13348
摘要

Abstract Autistic children (AC) show less audiovisual speech integration in the McGurk task, which correlates with their reduced mouth‐looking time. The present study examined whether AC's less audiovisual speech integration in the McGurk task could be increased by increasing their mouth‐looking time. We recruited 4‐ to 8‐year‐old AC and nonautistic children (NAC). In two experiments, we manipulated children's mouth‐looking time, measured their audiovisual speech integration by employing the McGurk effect paradigm, and tracked their eye movements. In Experiment 1, we blurred the eyes in McGurk stimuli and compared children's performances in blurred‐eyes and clear‐eyes conditions. In Experiment 2, we cued children's attention to either the mouth or eyes of McGurk stimuli or asked them to view the McGurk stimuli freely. We found that both blurring the speaker's eyes and cuing to the speaker's mouth increased mouth‐looking time and increased audiovisual speech integration in the McGurk task in AC. In addition, we found that blurring the speaker's eyes and cuing to the speaker's mouth also increased mouth‐looking time in NAC, but neither blurring the speaker's eyes nor cuing to the speaker's mouth increased their audiovisual speech integration in the McGurk task. Our findings suggest that audiovisual speech integration in the McGurk task in AC could be increased by increasing their attention to the mouth. Our findings contribute to a deeper understanding of relations between face attention and audiovisual speech integration, and provide insights for the development of professional supports to increase audiovisual speech integration in AC. Highlights The present study examined whether audiovisual speech integration in the McGurk task in AC could be increased by increasing their attention to the speaker's mouth. Blurring the speaker's eyes increased mouth‐looking time and audiovisual speech integration in the McGurk task in AC. Cuing to the speaker's mouth also increased mouth‐looking time and audiovisual speech integration in the McGurk task in AC. Audiovisual speech integration in the McGurk task in AC could be increased by increasing their attention to the speaker's mouth.
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