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传感神经听力损失对听力流分离的影响,以间刺激间隔的函数来衡量
Saransh Jain1, Vijaya Kumar Narne2,3, Vasuki Dattakumar4
1Department of Prevention of Communication Disorders, All India Institute of Speech and Hearing, University of Mysore, Mysuru, Kar., 570004, India. saranshjain@aiishmysore.in.
Attention, perception & psychophysics
|November 19, 2025
概括
听力流分离对于听力至关重要,在听力损失的个体中受损. 这项研究表明,基本的频率差异对听力受损的听众来说效果较差,影响他们分离声音流的能力.
科学领域:
- 听觉感知是一种听觉感知.
- 精神声学是一种精神声学.
- 语音处理 语音处理
背景情况:
- 听力流分离使大脑能够分离并发的声音.
- 基本的频率 (F0) 差异是流分离的一个关键提示.
- 听力障碍可能会影响听觉线索的处理.
研究的目的:
- 研究F0差异 (ΔF0) 和刺激间隔 (ISI) 对听觉流分离的影响.
- 为了比较正常听力 (NH) 和听力受损 (HI) 个体之间的流分离能力.
- 在不同的条件下确定时间连贯边界 (TCB) 和裂变边界 (FB).
主要方法:
- 使用了ABA-ABA序列,其 ΔF0 和 ISI 不同.
- 采用了适应程序来估计TCB和FB.
- 招募了NH参与者和HI参与者,他们有轻度至中度的听力损失.
主要成果:
- 无论是TCB还是FB,都以大约50 ms的ISI最小化.
- 与所有ISI的NH参与者相比,HI参与者的TCB始终更高.
- 对于HI参与者而言,FBs对于ISI大于50 ms的NH参与者来说更高.
结论:
- 听力障碍降低了F0差异在听力流分离的有效性.
- 在听力损失的个体中,流分离的时间动态发生了变化.
- 研究结果表明,F0线索的显著性减少有助于HI听众的隔离困难.
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