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Different Associations between Auditory Function and Cognition Depending on Type of Auditory Function and Type of
Henrik Danielsson1,2,3, Larry E Humes3, Jerker Rönnberg1,2
1Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden.
Ear and Hearing
|February 27, 2019
Summary
Auditory temporal-order identification significantly impacts cognition, more so than auditory threshold or gap detection. Age affects cognitive speed and auditory threshold most, with some effects mediated by auditory function.
Area of Science:
- Cognitive science
- Auditory neuroscience
- Gerontology
Background:
- Hearing loss is linked to cognitive decline.
- The specific auditory and cognitive functions involved require further investigation.
- Understanding the interplay between age, hearing, and cognition is crucial.
Purpose of the Study:
- To investigate how age, auditory function, and cognitive function relate.
- To examine the influence of different auditory measures on various cognitive domains.
- To explore the mediating role of auditory function in age-related cognitive changes.
Main Methods:
- Structural equation modeling was used.
- Data from 213 adults aged 18–86 were analyzed.
- Three auditory constructs (threshold, temporal-order identification, gap detection) and four cognitive constructs (episodic memory, semantic memory, working memory, processing speed) were modeled.
Main Results:
- Auditory temporal-order identification most strongly influenced cognitive functions.
- Semantic long-term memory and working memory showed the strongest association with audition.
- Age significantly impacted auditory threshold and cognitive speed, with partial mediation through auditory function.
Conclusions:
- Auditory temporal-order function is a key factor in cognitive performance.
- Findings inform cognitive hearing science research and clinical practice.
- The differential effects of age on cognition, partly mediated by hearing, are significant.
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