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Auditory evoked potential response and hearing loss: a review
M P Paulraj1, Kamalraj Subramaniam1, Sazali Bin Yaccob1
1Department of Mechatronic Engineering, Universiti Malaysia Perlis, Malaysia.
The Open Biomedical Engineering Journal
|April 21, 2015
Summary
Early hearing screening using Electroencephalogram (EEG) and Auditory Evoked Potential (AEP) is crucial for individuals with hypoacusis, especially those unable to verbally respond. This method aids in determining hearing threshold levels effectively.
Area of Science:
- Neuroscience
- Audiology
- Biomedical Engineering
Background:
- Hypoacusis (hearing loss) is a widespread sensory disability impacting speech.
- Early and effective hearing screening is vital for managing hypoacusis.
- Electroencephalogram (EEG) offers a non-invasive method for hearing assessment.
Purpose of the Study:
- To review the current knowledge on estimating hearing threshold levels using Auditory Evoked Potential (AEP) responses.
- To assess the efficacy of EEG-based systems for hearing perception level determination.
Main Methods:
- Utilizing Electroencephalogram (EEG) to record brain activity in response to auditory stimuli.
- Analyzing Auditory Evoked Potential (AEP) signals to infer hearing ability.
- Evaluating intelligent systems designed for hearing perception level assessment.
Main Results:
- AEP responses derived from EEG correlate with an individual's auditory ability.
- EEG-based hearing threshold determination is suitable for non-verbal individuals.
- Intelligent hearing perception systems can assess the auditory system's functional integrity.
Conclusions:
- EEG-based AEP analysis is a promising approach for objective hearing screening.
- Further research is needed for systematic evaluation in newborns, infants, and individuals with multiple handicaps.
- Developing advanced EEG-based systems can improve early detection and management of hearing loss.
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