增强自闭症儿童的音调歧视与意想不到的双语
Charlotte Dumont1, Marie Belenger1, Inge-Marie Eigsti2
1ACTE, LaDisco and ULB Neuroscience Institute, Université libre de Bruxelles, Brussels, Belgium.
概括
一些自闭症儿童通过屏幕曝光而不是社交互动来发展出意想不到的双语 (UB). 这些孩子表现出增强的音调歧视,通过听觉线索帮助语言获取.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 语言学的语言学.
背景情况:
- 自闭症谱系障碍 (ASD) 的特点是社会沟通差异.
- 一些自闭症儿童表现出意想不到的双语 (UB) 通过非社会手段获得,如屏幕曝光.
- 在一些自闭症个体中,人们注意到增强的听觉处理,特别是音调感知.
研究的目的:
- 研究自闭症儿童意外双语 (UB) 的现象.
- 为了测试自闭症儿童与UB拥有优越的音调歧视能力的假设.
- 探索声学暗示感知在自闭症非社会语言学习中的作用.
主要方法:
- 进行了音调区分任务,以评估听觉感知.
- 参与者包括有 (n=12) 和没有 (n=34) UB的自闭症儿童和非自闭症儿童 (n=45).
- 有3%,2%或1%的音调差异的音调以两种替代的强制选择格式呈现.
主要成果:
- 具有意外双语 (UB) 的自闭症组在所有难度级别中表现出明显优于机会的音调歧视.
- 自闭症UB儿童在音调歧视方面表现优于自闭症非UB儿童和非自闭症儿童.
- 在自闭症的UB组中,即使在最微妙的音调差异 (1%) 中,表现也更好.
结论:
- 这项研究提供了证据,证明了自闭症儿童与意想不到的双语 (UB) 的增强音调歧视.
- 优越的音调感知可以通过非社会,基于屏幕的学习,促进自闭症患者的语言学习.
- 听觉暗示灵敏度,结合重复输入,可能是自闭症中UB的关键机制.
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