Cochlear action potential threshold and single unit thresholds.
There is a close correlation between the sound pressure of tone burst required to affect a primary auditory neuron at its characteristic frequency and that which will produce a detectable N1 response at the same frequency. Units with thresholds from 80--0 db SPL (recorded from damaged and undamaged cochleas) were 0--20 dB , respectively, more sensitive than the action potential response.
D000200:Action Potentials; D000818:Animals; D001298:Audiology / Q000295:instrumentation; D003056:Cochlear Nerve / Q000502:physiology*; D006168:Guinea Pigs