Comment on 'modulation of the hair cell motor: A possible source of odd- order distortion' [J. Acoust. Soc. Am. 96, 2210-2215 (1994)]

Alfred Nuttall, D. F. Dolan

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12 Citations (Scopus)

Abstract

This reply to the response by Brown [J. Acoust. Soc. Am. 96, 2210-2215 (1994) on the report 'Intermodulation distortion (F2-F1) in inner hair cell and basilar membrane responses [J. Acoust. Soc. Am. 93, 2061-2068 (1993)]' by Nuttall and Dolan is for the purpose of adding additional data concerning the nature and origin of the round window (RW)-recorded quadratic distortion tone (QDT) signal. It is shown that a major portion of the RW electrical signal originates from the activity of auditory neurons since tetrodotoxin (TTX) applied to the cochlea diminishes the distortion product by about 75%. The neural component is also responsible for the characteristic 900-Hz optimal frequency separation of the primaries in producing the response. These data support our earlier suggestion [Nuttall and Dolan, J. Acoust. Soc. Am. 93, 2061-2068 (1993)] that the level of intracellular receptor potential at the QDT frequency would be a stimulus for afferent fibers at low sound levels. These new data do not force a reinterpretation of Brown's hypothesis on the relationship of quadratic and cubic intermodulation distortion.

Original languageEnglish (US)
Pages (from-to)2583-2584
Number of pages2
JournalJournal of the Acoustical Society of America
Volume96
Issue number4
DOIs
StatePublished - 1994
Externally publishedYes

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hair
modulation
intermodulation
cochlea
neurons
stimuli
suggestion
Modulation
Cells
membranes
fibers
acoustics
products

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

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title = "Comment on 'modulation of the hair cell motor: A possible source of odd- order distortion' [J. Acoust. Soc. Am. 96, 2210-2215 (1994)]",
abstract = "This reply to the response by Brown [J. Acoust. Soc. Am. 96, 2210-2215 (1994) on the report 'Intermodulation distortion (F2-F1) in inner hair cell and basilar membrane responses [J. Acoust. Soc. Am. 93, 2061-2068 (1993)]' by Nuttall and Dolan is for the purpose of adding additional data concerning the nature and origin of the round window (RW)-recorded quadratic distortion tone (QDT) signal. It is shown that a major portion of the RW electrical signal originates from the activity of auditory neurons since tetrodotoxin (TTX) applied to the cochlea diminishes the distortion product by about 75{\%}. The neural component is also responsible for the characteristic 900-Hz optimal frequency separation of the primaries in producing the response. These data support our earlier suggestion [Nuttall and Dolan, J. Acoust. Soc. Am. 93, 2061-2068 (1993)] that the level of intracellular receptor potential at the QDT frequency would be a stimulus for afferent fibers at low sound levels. These new data do not force a reinterpretation of Brown's hypothesis on the relationship of quadratic and cubic intermodulation distortion.",
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AU - Dolan, D. F.

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