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Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
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Neural and Behavioral Changes in Older Adults from Auditory-Cognitive Training
Charlie Fisher1, I M Dushyanthi Karunathilake1, Michael A Johns1
1University of Maryland, College Park, MD 20742 USA.
Biorxiv : the Preprint Server for Biology
|October 1, 2025
Summary
Auditory-cognitive training improved speech perception in noise for older adults. This training enhanced both behavioral measures and neural responses, suggesting plasticity in auditory processing.
Area of Science:
- Neuroscience
- Audiology
- Cognitive Science
Background:
- Older adults with normal hearing often struggle with speech perception in noise.
- Cognitive decline is a potential factor, suggesting auditory-cognitive training might help.
Purpose of the Study:
- To assess if auditory-cognitive training improves speech-in-noise perception in normal-hearing older adults.
- To examine neural and behavioral changes using magnetoencephalography (MEG).
Main Methods:
- Participants underwent auditory-cognitive training.
- Magnetoencephalography (MEG) recorded neural responses during speech-in-noise tasks.
- Temporal Response Function (TRF) models analyzed neural data; working memory (RSPAN) and speech-in-noise (SPIN) were behavioral measures.
Main Results:
- Significant improvements were observed in behavioral measures (RSPAN, SPIN, SFG) and subjective listening effort post-training.
- Neural measures indicated enhanced contrast between attended and unattended stimuli.
- Pre-training auditory stream segregation (SFG) performance predicted neuroplasticity.
Conclusions:
- Auditory-cognitive training offers perceptual and neural benefits for older adults' speech-in-noise abilities.
- The training induces neuroplasticity, potentially linked to auditory stream segregation skills.
- Findings provide insights into enhancing auditory processing in aging populations.
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