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Cognitive Measures and the Acceptable Noise Level.

Mark Hedrick1, Abbey Stigers1, Brittany Grayless1

  • 1Department of Audiology and Speech Pathology, The University of Tennessee Health Science Center, Knoxville.

American Journal of Audiology
|October 20, 2021
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Summary
This summary is machine-generated.

This study found no direct link between acceptable noise levels (ANL) and cognitive abilities like working memory. However, selective attention may influence how individuals tolerate background noise.

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Area of Science:

  • Audiology
  • Cognitive Psychology
  • Neuroscience

Background:

  • The acceptable noise level (ANL) quantifies an individual's tolerance for background noise.
  • Understanding the cognitive underpinnings of ANL is crucial for audiological rehabilitation and noise management.

Purpose of the Study:

  • To investigate the relationship between the acceptable noise level (ANL) and cognitive functions, specifically auditory attention and working memory.
  • To explore potential cognitive predictors of noise tolerance in young adults.

Main Methods:

  • Twenty-four young adults with normal hearing completed the ANL test, auditory attention and working memory assessments (including Digit Span, Letter-Number Sequencing, Auditory Attention subtest, and operation span test), and the Hearing in Noise Test (HINT).
  • Pearson correlation coefficients were used to analyze the relationships between ANL and cognitive measures.

Main Results:

  • No significant correlations were observed between the ANL and the cognitive tasks measuring auditory attention or working memory.
  • The ANL did not show a significant relationship with performance on the Hearing in Noise Test (HINT).
  • Significant relationships were found among various individual cognitive tasks, and selective attention was significantly related to the most comfortable listening level for speech.

Conclusions:

  • Selective attention appears to be a critical cognitive factor influencing an individual's acceptance of background noise.
  • While direct links between ANL and broad cognitive abilities were not found, specific aspects of attention may play a role in noise tolerance.