Changes in cortical auditory evoked potentials in response to auditory training in elderly hearing aid users: A pilot
Yara Bagali Alcântara1, Willians Walace Fante Toledo1, Karoline Ribeiro de Lima1
1Speech Language Pathology Department, Faculty of Philosophy and Sciences, São Paulo State University-UNESP, Marília, São Paulo, Brazil.
PLOS Global Public Health
|March 24, 2023
Summary
Musical auditory training improved hearing aid effectiveness in elderly individuals with presbycusis. Cortical auditory evoked potential tests showed enhanced responses after training, indicating better auditory processing.
Area of Science:
- Neuroscience
- Audiology
- Gerontology
Background:
- Presbycusis, age-related hearing loss, affects elderly individuals.
- Hearing aids are common but may not fully restore auditory function.
- Cortical auditory evoked potentials (CAEPs) measure auditory processing in the brain.
Purpose of the Study:
- To evaluate the impact of musical auditory training combined with hearing aid use on CAEPs in elderly individuals with presbycusis.
- To compare CAEP responses before and after a 16-session auditory training program.
Main Methods:
- Pilot, prospective, randomized, single-blind study.
- Eight participants (65-80 years) with presbycusis using new hearing aids.
- Two groups: hearing aid only vs. hearing aid plus musical auditory training.
Main Results:
- The Auditory Training Group showed a decrease in P3a latency.
- This suggests faster neural processing of auditory stimuli after musical training.
Conclusions:
- Musical auditory training, when combined with hearing aids, can alter CAEP responses in elderly individuals with presbycusis.
- This training may enhance auditory processing and improve hearing aid outcomes.
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