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Updated: Apr 28, 2026
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A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
Published on: May 25, 2019
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Estimation of neural phase locking from stimulus-evoked potentials.
Eric Verschooten1, Philip X Joris
1Laboratory of Auditory Neurophysiology, KU Leuven, Herestraat 49 bus 1021, 3000, Leuven, Belgium, Eric.Verschooten@med.kuleuven.be.
Summary
Researchers explored neural phase locking in cats to understand human hearing. Mass potential recordings from the cochlea show a significant neural signal, suggesting a viable method for studying human auditory nerve function.
Area of Science:
- Auditory Neuroscience
- Human Hearing Physiology
Background:
- The frequency range of auditory nerve fine structure coding is known in animals but not humans.
- Understanding this in humans is crucial for hearing research.
- Neural phase locking is key to coding fine structure.
Purpose of the Study:
- To investigate if mass potentials can physiologically estimate neural phase locking in humans.
- To differentiate neural signals from receptor potentials in mass recordings.
Main Methods:
- Recorded mass potentials from the cochlea and auditory nerve in cats.
- Employed experimental manipulations to isolate neural contributions to the signals.
Main Results:
- A substantial neural signal was detected in round window recordings.
- This signal closely resembled potentials measured directly from the auditory nerve.
Conclusions:
- Mass potential recordings from the cochlea show significant neural contributions.
- This technique holds promise for assessing human neural phase locking non-invasively.
