Abstract
Intracellular recordings have been made from single hair cells in the cochlea of the terrapin, and the site of recording has been verified by injection of a fluorescent dye through the recording electrode. A hair cell gives periodic voltage responses graded with the intensity and frequency of the sound stimulus, and produces the largest response at its characteristic frequency. When small current steps are injected through the recording electrode, the voltage response of the cell exhibits damped oscillations at its characteristic frequency. The results are consistent with the idea that the cochlear frequency selectivity arises in two stages and it is suggested that the second stage resides within the hair cell itself.
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Publication Info
- Year
- 2005
- Type
- article
- Volume
- 203
- Issue
- 1151
- Pages
- 209-18
- Citations
- 0
- Access
- Closed
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Identifiers
- DOI
- 10.1098/rspb.1978.0101