Evidence for electrically evoked travelling waves in the guinea pig cochlea

Electrically evoked compound action potentials (EECAP) were produced by the injection of pulsed sinusoidal current through metal electrodes into the basal turn. Plots of current threshold against frequency closely resembled conventional compound action potentials (CAP) audiograms for frequencies rep...

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Veröffentlicht in:	Hearing research 1994-04, Vol.74 (1), p.38-50
Hauptverfasser:	Kirk, D.L., Yates, G.K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic Stimulation Action Potentials - physiology Animals Biological and medical sciences CAP Cochlea Cochlea - physiology Ear and associated structures. Auditory pathways and centers. Hearing. Vocal organ. Phonation. Sound production. Echolocation Electric Stimulation Electrical stimulation Electrophysiology Evoked Potentials, Auditory - physiology Fundamental and applied biological sciences. Psychology Guinea Pigs Synapses - physiology Travelling wave Vertebrates: nervous system and sense organs
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Beschreibung
Zusammenfassung:	Electrically evoked compound action potentials (EECAP) were produced by the injection of pulsed sinusoidal current through metal electrodes into the basal turn. Plots of current threshold against frequency closely resembled conventional compound action potentials (CAP) audiograms for frequencies represented apically of the electrode location. EECAPs were masked by sound and CAPs were masked by current in a manner consistent with the generation of a propagated travelling wave.
ISSN:	0378-5955 1878-5891
DOI:	10.1016/0378-5955(94)90174-0