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The two principal components of impedance audiometry, the tympanogram and acoustic reflexes, were measured preoperatively and postoperatively in seven squirrel monkeys subjected to experimental middle ear surgery. A probe-tone frequency of 1,200 Hz yielded both tympanograms and acoustic reflex thresholds roughly comparable to analogous data in humans at a probe-tone frequency of 220 Hz. Both tympanograms and acoustic reflex thresholds could be obtained reliably and with comparative ease. In general, postoperative data were modified in the expected fashion by the experimental middle ear surgery. Impedance audiometry appears to be a worthwhile and useful technique for monitoring middle ear status in the squirrel monkey.
J Jerger, and
L Mauldin, and
M Igarashi
January 1971,
Acta oto-laryngologica,
J Jerger, and
L Mauldin, and
M Igarashi
January 1974,
Transactions - American Academy of Ophthalmology and Otolaryngology. American Academy of Ophthalmology and Otolaryngology,
J Jerger, and
L Mauldin, and
M Igarashi
January 1953,
Zeitschrift fur Laryngologie, Rhinologie, Otologie und ihre Grenzgebiete,
J Jerger, and
L Mauldin, and
M Igarashi
January 1970,
Journal francais d'oto-rhino-laryngologie, audio-phonologie et chirurgie maxillo-faciale,
J Jerger, and
L Mauldin, and
M Igarashi
November 1978,
Clinical otolaryngology and allied sciences,
J Jerger, and
L Mauldin, and
M Igarashi
June 1970,
Journal of speech and hearing research,
J Jerger, and
L Mauldin, and
M Igarashi
February 1977,
Revue medicale de Liege,
J Jerger, and
L Mauldin, and
M Igarashi
January 1977,
Audiology : official organ of the International Society of Audiology,
J Jerger, and
L Mauldin, and
M Igarashi
January 1957,
Otolaryngologia polska = The Polish otolaryngology,
J Jerger, and
L Mauldin, and
M Igarashi
April 1971,
Harefuah,
