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在听力处理障碍 (APD) 的评估中,对绝对定位的基于耳机的新评估试点数据

Jack Hargreaves¹, Julia Sarant¹, Bryn Douglas²

¹Department of Audiology and Speech Pathology, The University of Melbourne, Melbourne, VIC 3010, Australia.

Audiology research

|February 25, 2025

概括

一个新的基于耳机的测试显示了评估听觉定位的前景,这是一个在听觉处理障碍 (APD) 中经常受损的关键技能. 虽然获得了中等的准确性,但对于临床使用需要进一步改进.

科学领域:

听力学听力学是指听力学.
神经科学是一个神经科学.
精神声学是一种精神声学.

背景情况:

局部化缺陷通常与听觉处理障碍 (APD) 有关.
目前缺乏对听觉定位能力的临床实践评估.
本研究介绍了一种基于耳机的全新绝对听觉定位评估的试点数据.

研究的目的:

评估一种新的基于耳机的听觉定位测试的可行性.
研究模拟声环境和信号噪声比 (SNR) 对定位性能的影响.
收集初步数据,用于诊断APD的潜在临床应用.

主要方法:

两项实验与正常听力值的年轻成年人 (总共n=58) 进行.
参与者通过耳机本地化了通过非个性化头部相关传递函数 (HRTF) 编码的语音短语.
模拟环境 (无声,反响) 和SNR的变化被操纵以评估其影响.

主要成果:

参与者在听觉定位方面表现出适度的准确性,在实验中平均RMS误差为25.9°和27.2°.
观察到前后错误 (FBE),与自由场条件相比,提高了整体RMS错误.
无论是模拟环境还是SNR都没有显著影响本地化性能.

结论:

开发的听觉局部化测试显示了未来临床实施的令人鼓舞的潜力.
需要进一步的研究,以探索在儿科和APD阳性人群中的测试可行性.
为了改善临床实用性,建议对前后错误进行改进.

关键词:

绝对的本地化定位.听觉处理障碍 (APD) 是一种听觉处理障碍.前后错误错误在前后错误与头部相关的转移功能转移功能.

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