刺激史的快速更新揭示了自闭症患者脸部内部表现的弱点
Marissa Hartston1, Tal Lulav-Bash1,2, Yael Goldstein-Marcusohn1
1Department of Special Education, Faculty of Education, University of Haifa, Haifa, Israel.
概括
自闭症患者表现出不典型的面部感知,更多地依赖于最近的刺激而不是整体经验. 这可能解释了自闭症谱系障碍中自己种族面临的专业化减少.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 发展科学 发展科学
背景情况:
- 非典型的面部感知在自闭症谱系障碍 (ASD) 中很常见,影响社会互动.
- 在ASD中提炼面部表现的感知基础和经验的作用仍在争论中.
研究的目的:
- 调查短期和长期刺激史如何影响自闭症和非自闭症个体的面部处理.
- 探索基于经验的感知学习在自闭症中的面部识别中的作用.
主要方法:
- 一个涉及变形面孔的连续歧视任务被用来评估相同的不同判断.
- 这项研究测量了回归到平均值,以量化面部表示中使用刺激统计的使用情况.
- 自闭症和非自闭症个体的面部处理在不同的刺激史条件下进行了比较.
主要成果:
- 自闭症个体的面部表达与非自闭症个体不同,对自己和其他种族的面部的刺激统计数据同样具有偏见.
- 自闭症患者表现出较弱的平均面部内部模型,更多地依赖于最近的刺激.
- 这表明在自闭症中构建内部面部表示的机制有所不同.
结论:
- 自闭症患者表现出不同的面部处理策略,不太依赖累积的统计信息.
- 基于经验的面部表现的细化在自闭症中有所不同,这可能解释了自己种族面部专业化的减少.
- 研究结果提供了关于自闭症谱系障碍中非典型面部感知机制的见解.
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