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双耳总和的形式以及个体差异对双耳助听器的影响。

Forms of binaural summation and the implications of individual variability for binaural hearing aids.

作者信息

Haggard M P, Hall J W

出版信息

Scand Audiol Suppl. 1982;15:47-63.

PMID:6287568
Abstract

The advantages which a two-ear system has over a one-ear system appear to be manifold, but not all understood in detail. All probably play some role in the generally recognised advantage of binaural aids in offsetting auditory disabilities. Several possible forms of binaural summation are distinguished here and their possible role discussed. Experimental results with normally-hearing listeners and with aid users show that binaural summation is likely to lead to gain settings of about 6 dB lower than with otherwise equivalent monaural amplification. In some cases this may be a direct cause of benefit. However individuals differ systematically in the extent to which they show this effect, which may be relevant to prognosis for binaural aiding. Evidence is reported of an association between binaural summation and binaural advantage. Individuals also differ systematically in binaural summation for uncomfortable loudness level.

摘要

双耳系统相对于单耳系统的优势似乎是多方面的,但并非所有优势都被详细了解。所有这些优势可能在双耳助听器抵消听觉障碍的普遍公认优势中都发挥了一定作用。这里区分了几种可能的双耳总和形式,并讨论了它们可能发挥的作用。对听力正常的听众和助听器使用者的实验结果表明,与其他条件相同的单耳放大相比,双耳总和可能会使增益设置低约6分贝。在某些情况下,这可能是产生益处的直接原因。然而,个体在表现出这种效果的程度上存在系统性差异,这可能与双耳助听的预后有关。有证据表明双耳总和与双耳优势之间存在关联。个体在不适响度水平的双耳总和方面也存在系统性差异。

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