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The neurodevelopmental basis of human action sound processing in typically developing children, children with autism spectrum disorders, and toddlers at risk for autism

机译：人类行为声音处理的神经发育基础，通常发育中的儿童，自闭症谱系障碍儿童和有自闭症风险的幼儿

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摘要

The work presented in the current thesis explored the nature, time-course, and neurodevelopmental trajectory of the brain mechanisms underlying the perceptual processing of auditory social versus non-social stimuli in typically developing young children, toddlers and young children with autism spectrum disorders, and toddlers who are at risk of developing autism. This was completed through the use of a novel auditory-auditory repetition suppression event-related potentials (ERP) paradigm, which included sounds produced by human actions and non-human/environmental sounds. Standardised behavioural measures were also used for the matching of the groups on language ability, the behavioural characterisation of children on the autism spectrum, and the investigation of the relationship between brain activity and cognitive and social communication skills. The results revealed developmental changes in auditory social processing across two typically developing age groups, as well as atypicalities in both social and non-social processing mechanisms in children with autism spectrum disorders and toddlers at high-risk of developing autism. Together, these findings make a notable contribution to our understanding of the mechanisms underlying typical and atypical development of auditory social information processing.
机译：本论文中的工作探讨了典型发育中的幼儿，自闭症谱系障碍儿童的听觉社交与非社交刺激的知觉处理基础的大脑机制的性质，时程和神经发育轨迹，以及有自闭症风险的幼儿。这是通过使用新颖的听觉-听觉重复抑制事件相关电位（ERP）范例完成的，其中包括人类动作产生的声音和非人类/环境声音。标准化的行为措施还用于语言能力的匹配，自闭症谱系中儿童的行为特征以及脑活动与认知和社交能力之间关系的调查。结果显示自闭症谱系障碍儿童和处于发展中自闭症高危学步儿童的两个典型发展年龄段的听觉社交处理发展变化，以及社交和非社交处理机制的非典型性。这些发现共同为我们对听觉社会信息处理的典型和非典型发展的潜在机制的理解做出了显着贡献。

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  • 作者

    Stefanidou Chrysi;

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  • 年度 2014
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  • 原文格式 PDF
  • 正文语种 English
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