通过社会大脑的"眼睛"进行听觉二极交互:后部STS交互区域有多视觉?
Julia Landsiedel1, Kami Koldewyn1
1Department of Psychology, School of Human and Behavioural Sciences, Bangor University, Bangor, United Kingdom.
Imaging neuroscience (Cambridge, Mass.)
|September 18, 2023
概括
后上神 (pSTS) 处理来自视觉和声音的社会线索. 这项研究发现正确的PSTS对听觉社交互动,处理演讲者数量和对话连贯性作出反应.
科学领域:
- 神经科学是一个神经科学.
- 听觉感知是一种听觉感知.
- 社会认知是指社会认知.
背景情况:
- 社交互动通过视觉和听觉道传递重要的线索.
- 后部上时 (pSTS) 已知用于处理视觉社交互动.
- 听觉社会互动感知的神经基础在很大程度上仍未被探索.
研究的目的:
- 使用功能磁共振成像 (fMRI) 调查大脑对听觉社交互动的反应.
- 为了确定大脑区域,特别是在时间区域,参与处理听觉社会线索.
- 探索pSTS和其他时间区域在感知听觉社会相互作用中的作用.
主要方法:
- fMRI用于扫描参与者听到以已知和未知语言的对话和叙述.
- 实验涉及单语和双语参与者,以评估语言理解效应.
- 单变量和多变量分析应用于局部感兴趣区域 (ROI),包括pSTS和时间语音区域 (TVA).
主要成果:
- 右后上突 (pSTS) 显示出对听觉社会相互作用的异模式反应.
- 这个区域区分了交互式和非交互式听觉刺激,并编码了演讲者数量和连贯性.
- 双边时语音区域 (TVA) 呈现出较少的特异性反应,而前部STS (aSTS) 则对听觉相互作用表现出敏感性,这可能表明模式特定的处理.
结论:
- 正确的PSTS是社会互动感知的异模式枢纽,整合了视觉和听觉领域的信息.
- 前侧STS (aSTS) 可能专门处理听觉社交互动.
- 需要进一步的研究来阐明TVA和aSTS的确切作用,并使用非语义线索探索pSTS选择性.
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