在患有自闭症谱系障碍的儿童中,对压力相互作用的声学 - 过程和生理反应
Daniel Bone1, Julia Mertens2, Emily Zane2
1Signal Analysis and Interpretation Laboratory (SAIL), USC, Los Angeles, CA, USA.
概括
与神经类型的同龄人相比,患有自闭症谱系障碍 (ASD) 的青少年对社会压力表现出不同的语言和生理反应. 声学测量有效地区分了群体,并捕捉了ASD中压力诱导的声音变化.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 语音科学 语言科学
背景情况:
- 社会焦虑在自闭症谱系障碍 (ASD) 中很常见,其特点是社会沟通障碍.
- 了解自闭症患者的社会压力表现对于有针对性的干预至关重要.
- 以前的研究表明,在自闭症患者中,社会焦虑的患病率更高.
研究的目的:
- 调查ASD青少年与神经类型发育 (TD) 同龄人之间的多式社会应激反应.
- 在不同的社会压力水平下分析客观的语言行为和生理 (心率) 差异.
- 确定有效区分ASD和TD组的声学措施.
主要方法:
- 在三个引发压力的任务 (低压,中压,高压) 中,客观地测量语音行为和平均心率.
- 与ASD和TD同龄人之间的青少年之间的生理和声乐数据的比较.
- 对声学特征的分析,包括跨压力级别的前音变化和声乐变化.
主要成果:
- 在应对任务诱导的压力时,观察到语言行为和心率的显著差异.
- 声学测量在区分ASD和TD诊断组方面被证明是有效的.
- 患有自闭症的个体表现出更高的前性变异性,与之前的研究结果一致.
- 低社会压力和高社会压力之间的声调变化对于识别自闭症特征特别有信息.
结论:
- 社会压力对ASD青少年与TD个体相比,对言语和生理有不同的影响.
- 在社会压力期间声乐变化的声学分析是理解ASD的一个有希望的工具.
- 研究结果表明,在ASD中,声乐生产和社会压力因素之间存在显著的相互作用.
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