耳植入体使用者的视觉偏差感知:对麦格鲁克和声音诱导的闪光幻觉的研究
Iliza M Butera1, Ryan A Stevenson2,3, René H Gifford4
1Vanderbilt Brain Institute, Vanderbilt University, Nashville, TN, USA.
Trends in hearing
|June 28, 2023
概括
与正常听力个体相比,耳植入物 (CI) 用户的视听集成能力较低,影响语音理解. 需要进一步的研究来将这些发现与现实世界的倾听能力联系起来.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 语音感知 语音感知
背景情况:
- 耳植入物 (CI) 可以降低光谱分辨率,需要视觉语音线索来理解.
- 听觉视觉 (AV) 整合能力在CI用户中对于日常语音理解至关重要,但仍未得到充分研究.
研究的目的:
- 与正常听力 (NH) 个体相比,研究CI用户的AV语音集成.
- 评估IC使用者对麦格格尔克和声音诱导闪光幻觉 (SIFI) 的易感性.
主要方法:
- 使用McGurk和SIFI在63名CI用户和69名NH对照中测试了AV集成.
- 为幻觉易感性分析进行单感应响应错误校正.
主要成果:
- 87%的CI使用者在McGurk任务中经历了虚幻的感知.
- 在McGurk和SIFI中,CI用户的幻觉融合比NH对照低.
- 幻觉感知在CI使用者中没有相关性,但在NH对照中具有负相关性.
结论:
- 与NH个体相比,CI使用者表现出AV集成的减少.
- 两种幻觉都无法解释CI结果指标的变化,这表明需要进一步调查.
- 这些AV集成结果与现实世界CI用户语音理解之间的关系需要更多的研究.
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