Reduced digit spans and ear dominance using dichotic digits in bimodal cochlear-implant users.

IF 1.2 Q3 ACOUSTICS
Allison Blackmon, Matthew J Goupell, Matthew Bakke, Olga Stakhovskaya
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引用次数: 0

Abstract

Bimodal stimulation, a cochlear implant (CI) in one ear and a hearing aid (HA) in the other, provides highly asymmetrical inputs. To understand how asymmetry affects perception and memory, forward and backward digit spans were measured in nine bimodal listeners. Spans were unchanged from monotic to diotic presentation; there was an average two-digit decrease for dichotic presentation with some extreme cases of decreases to zero spans. Interaurally asymmetrical decreases were not predicted based on the device or better-functioning ear. Therefore, bimodal listeners can demonstrate a strong ear dominance, diminishing memory recall dichotically even when perception was intact monaurally.

双模态人工耳蜗使用者使用二分位数法时,其指法跨度和耳朵主导地位均有所下降。
双模刺激,即一只耳朵植入人工耳蜗 (CI),另一只耳朵佩戴助听器 (HA),可提供高度不对称的输入。为了了解不对称如何影响感知和记忆,我们对九名双模听者的前后数字跨度进行了测量。从单声道到二声道,跨度保持不变;二声道时,跨度平均下降两位数,有些极端情况下,跨度甚至下降到零。根据设备或功能更好的耳朵,并不能预测耳内不对称的下降。因此,双模态听者会表现出很强的耳朵优势,即使单耳感知完好,二分法记忆也会减少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
1.70
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