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根据年龄分别对听力进行调制口罩的好处
Mônyka Ferreira Borges Rocha1, Karina Paes Advíncula2, Cristiane do Espírito Santo Xavier Simões3
1Universidade Federal de Alagoas, Programa de Pós-Graduação em Biotecnologia, Maceió, AL, Brazil.
调制掩盖 (BMM) 的好处是通过减少噪音干扰,改善了所有年龄段的听力. 老年人表现出较低的BMM效应,这表明时间听觉处理与年龄相关的下降.
科学领域:
- 听觉神经科学 听觉神经科学
- 老年学是一门学科.
- 语音感知 语音感知
背景情况:
- 听觉掩盖对于在噪音中理解语音至关重要.
- 不同年龄组的模块化掩护 (BMM) 效果的好处尚未完全理解.
- 老龄化可能会影响时间处理和降噪策略.
研究的目的:
- 调查调制蒙蔽 (BMM) 对年轻人,成人和老年正常听力个体的听力益处.
- 为了比较行为和电生理反应对调制与稳定的噪声.
- 评估BMM有效性的年龄相关差异.
主要方法:
- 60名听力正常的参与者 (18-75岁) 接受了行为 (句子识别) 和电生理学 (皮质听力唤起潜力) 评估.
- 刺激包括稳定和调制的噪声条件.
- 统计分析使用对联t测试和ANOVA与Bonferroni后期测试.
主要成果:
- 在所有年龄组中,噪声调制降低了皮质听觉唤起潜力的延迟和扩展幅度 (P1-N1-P2).
- 调制的噪音产生了比稳定的噪音更好的听觉值反应 (电生理和行为).
- 与年轻参与者相比,老年人表现出更高的听觉值和更低的BMM大小.
结论:
- 调制噪声有效地减少神经反应干扰和所有年龄段的语音刺激的处理时间.
- 老年人群的更高的值和更低的BMM大小表明,由于衰老,时间听力表现下降和时间分辨率的潜在缺陷.
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