Related Experiment Video
Updated: Jul 17, 2026
12:03
A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
Published on: May 25, 2019
Electrically evoked auditory steady-state responses in Guinea pigs
Fuh-Cherng Jeng1, Paul J Abbas, Carolyn J Brown
1Department of Speech Pathology and Audiology, Department of Otolaryngology--HNS, University of Iowa, Iowa City, Iowa, USA. jeng@ohio.edu
Audiology & Neuro-Otology
|February 1, 2007
Summary
Researchers explored recording the electrically evoked auditory steady-state response (ESSR) using electrical stimulation. They successfully separated the ESSR from stimulus artifact, showing its potential for cochlear implant research.
Area of Science:
- Auditory Neuroscience
- Biomedical Engineering
Background:
- Current cochlear implant systems primarily transmit speech signal envelopes.
- A need exists for advanced methods to assess auditory system function with electrical stimulation.
Purpose of the Study:
- To investigate the feasibility of recording the electrically evoked auditory steady-state response (ESSR).
- To determine if ESSR can be effectively separated from electrical stimulus artifact.
Main Methods:
- Used sinusoidally amplitude-modulated electrical stimuli with alternating polarities in adult guinea pigs.
- Employed response summation and spectral analysis to isolate ESSR from stimulus artifact.
Main Results:
- Successfully separated ESSR from electrical stimulus artifact.
- Observed physiological response characteristics, including nonlinear growth and abolition by tetrodotoxin.
Conclusions:
- ESSR is a valid auditory system response.
- The developed method allows for ESSR separation, offering a valuable tool for cochlear implant research and clinical applications.
