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在自然环境中使用语言环境分析系统 (LENA) 来描述关键反应治疗结果

Emily F Ferguson¹, Morgan Steele², Rachel K Schuck³

¹Division of Child and Adolescent Psychiatry, Department of Psychiatry and Behavioral Sciences, School of Medicine, Stanford University, Stanford, CA, USA. eferguso@stanford.edu.

Journal of autism and developmental disorders

|March 2, 2025

概括

语言环境分析 (LENA) 系统与自闭症儿童的标准语言评估没有相关. 在一个关键反应治疗 (PRT) 研究中,LENA指标也未能显示干预效应.

科学领域:

发展心理学发展心理学
语音语言病理学语言病理学
自闭症谱系障碍研究研究

背景情况:

早期干预对于自闭症儿童的语言发展至关重要.
目前的语言评估通常是昂贵和耗时的.
语言环境分析 (LENA) 系统提供自动语言监测.

研究的目的:

评估语言环境分析 (LENA) 系统在追踪早期干预响应方面的实用性.
评估LENA与自闭症儿童的既定语言措施的相关性.
检查LENA在Pivotal Response Treatment (PRT) 随机对照试验 (RCT) 中检测语言变化的能力.

主要方法:

利用Pivotal Response Treatment (PRT) 随机对照试验 (RCT) 的数据.
在参与者的家中使用LENA系统收集了一整天的自然记录.
分析了LENA指标 (儿童发音,对话转换) 并与标准化的语言评估进行了比较.

主要成果:

在LENA指标和标准化语言评估之间没有发现显著的关联.
与对照组相比,PRT组的儿童在LENA发音或轮换指标方面没有显著改善.
莱纳系统的自动化指标没有有效地捕捉到早期干预背景下其他措施所显示的语言获取.

结论:

目前形式的LENA系统可能不是一种敏感的测量方法,用于检测自闭症儿童早期干预的表达性语言变化.
需要进一步的研究来完善用于临床的自动化自然语言采样方法.
讨论了自然语言采样和表达性语言测量的未来研究的影响.

关键词:

自闭症谱系障碍自闭症谱系障碍早期干预是早期的干预.莱纳莱纳莱纳莱纳自然语言采样.结果测量结果的测量.关键反应是治疗的关键反应.

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