The frequency-following response and the onset response: evaluation of frequency specificity using a forward-masking paradigm.
The onset and frequency-following response (FFR) components of the auditory brain stem response were investigated using a tone on tone forward-masking paradigm, as an alternate strategy to simultaneous masking, in an effort to further clarify the issue of place specificity of these components when elicited by a low-frequency stimulus (500 Hz tone burst). The results of this preliminary investigation suggest that both the onset and FFR components yield frequency-specific information, that is, they reflect activity along a limited apicalward region of the cochlea, but both are biased somewhat basalward to the place of the probe frequency. Also, of the two, the FFR is the relatively more place-specific response.
Ananthanarayan
A K
AK
Department of Audiology and Speech Pathology, University of Tennessee-Knoxville.
Durrant
J D
JD
D000158:Acoustic Impedance Tests; D000161:Acoustic Stimulation; D000328:Adult; D001303:Auditory Cortex; D016057:Evoked Potentials, Auditory, Brain Stem; D005260:Female; D006309:Hearing / Q000502:physiology; D006801:Humans; D008297:Male; D009622:Noise; D010470:Perceptual Masking / Q000502:physiology*