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Speech evoked potentials: from the laboratory to the clinic
Brett A Martin1, Kelly L Tremblay, Peggy Korczak
1Program in Speech and Hearing Sciences, Graduate Center, City University of New York, New York 10016, USA. bmartin@gc.cuny.edu
Ear and Hearing
|May 6, 2008
Summary
Auditory event-related potentials (ERPs) reveal how the brain processes speech. These neural responses are valuable for audiologists assessing hearing loss, hearing aids, and auditory training effects.
Area of Science:
- Neuroscience
- Audiology
- Speech processing
Background:
- Auditory event-related potentials (ERPs) are crucial for understanding neural mechanisms in speech processing.
- ERPs offer valuable insights for hearing scientists and audiologists.
Purpose of the Study:
- To provide an overview of ERPs used in speech and sound processing research.
- To discuss the application of speech-evoked potentials in audiological assessments.
Main Methods:
- Review of ERPs like P1-N1-P2, acoustic change complex, mismatch negativity, and P3 responses.
- Focus on studies assessing hearing loss, amplification effects, and auditory training.
Main Results:
- Speech-evoked ERPs can assess the impact of hearing loss on neural speech encoding.
- Improvements in speech processing with hearing aids and cochlear implants are measurable via ERPs.
- Auditory training's effect on neural speech processing can be evaluated using ERPs.
Conclusions:
- Speech-evoked ERPs are a valuable tool for audiologists.
- ERPs aid in understanding and managing auditory processing disorders.
- This review highlights the clinical relevance of ERPs in audiology.
