Relation between speech-in-noise threshold, hearing loss and cognition from 40-69 years of age

Healthy hearing depends on sensitive ears and adequate brain processing. Essential aspects of both hearing and cognition decline with advancing age, but it is largely unknown how one influences the other. The current standard measure of hearing, the pure-tone audiogram is not very cognitively demand...

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Bibliographic Details
Published in:PloS one 2014-09, Vol.9 (9), p.e107720
Main Authors: Moore, David R, Edmondson-Jones, Mark, Dawes, Piers, Fortnum, Heather, McCormack, Abby, Pierzycki, Robert H, Munro, Kevin J
Format: Article
Language:English
Subjects:
Adult
Adults
Age
Aged
Aging
Auditory defects
Auditory Threshold - physiology
Biology and Life Sciences
Biomedical research
Brain
Cognition
Cognition & reasoning
Cognitive ability
Data processing
Digits
Female
Hearing - physiology
Hearing loss
Hearing Loss - physiopathology
Hearing Tests
Humans
Information processing
Male
Medicine
Medicine and Health Sciences
Memory
Middle age
Middle Aged
Neurosciences
Noise
Noise levels
Noise threshold
Older people
Otology
Population studies
Regression analysis
Social Class
Speech
Speech recognition
Studies
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Summary:Healthy hearing depends on sensitive ears and adequate brain processing. Essential aspects of both hearing and cognition decline with advancing age, but it is largely unknown how one influences the other. The current standard measure of hearing, the pure-tone audiogram is not very cognitively demanding and does not predict well the most important yet challenging use of hearing, listening to speech in noisy environments. We analysed data from UK Biobank that asked 40-69 year olds about their hearing, and assessed their ability on tests of speech-in-noise hearing and cognition. About half a million volunteers were recruited through NHS registers. Respondents completed 'whole-body' testing in purpose-designed, community-based test centres across the UK. Objective hearing (spoken digit recognition in noise) and cognitive (reasoning, memory, processing speed) data were analysed using logistic and multiple regression methods. Speech hearing in noise declined exponentially with age for both sexes from about 50 years, differing from previous audiogram data that showed a more linear decline from
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0107720