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Effects of Cognitive Load on Pure-Tone Audiometry Thresholds in Younger and Older Adults.

07:00 EST 5th November 2019 | BioPortfolio

Summary of "Effects of Cognitive Load on Pure-Tone Audiometry Thresholds in Younger and Older Adults."

Cognitive load (CL) impairs listeners' ability to comprehend sentences, recognize words, and identify speech sounds. Recent findings suggest that this effect originates in a disruption of low-level perception of acoustic details. Here, we attempted to quantify such a disruption by measuring the effect of CL (a two-back task) on pure-tone audiometry (PTA) thresholds. We also asked whether the effect of CL on PTA was greater in older adults, on account of their reduced ability to divide cognitive resources between simultaneous tasks. To specify the mechanisms and representations underlying the interface between auditory and cognitive processes, we contrasted CL requiring visual encoding with CL requiring auditory encoding. Finally, the link between the cost of performing PTA under CL, working memory, and speech-in-noise (SiN) perception was investigated and compared between younger and older participants.

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This article was published in the following journal.

Name: Ear and hearing
ISSN: 1538-4667
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