Audiometric Gelle Test with a New Transducer The audiometric Gelle Test was administered to 10 young adults with normal hearing. Threshold measurements were obtained by air and bone conduction using ±40 cm H2O pressure at 250, 500, 750, and 1000 Hz. Positive and negative pressures were varied in steps of 10 cm H2O up to 50 cm ... Research Article
Research Article  |   June 01, 1968
Audiometric Gelle Test with a New Transducer
 
Author Affiliations & Notes
  • Charlene B. Stephens
    University of Mississippi School of Medicine, Jackson, Mississippi
  • Godfrey E. Arnold
    University of Mississippi School of Medicine, Jackson, Mississippi
Article Information
Research Articles
Research Article   |   June 01, 1968
Audiometric Gelle Test with a New Transducer
Journal of Speech, Language, and Hearing Research, June 1968, Vol. 11, 411-427. doi:10.1044/jshr.1102.411
History: Received December 1, 1967
 
Journal of Speech, Language, and Hearing Research, June 1968, Vol. 11, 411-427. doi:10.1044/jshr.1102.411
History: Received December 1, 1967

The audiometric Gelle Test was administered to 10 young adults with normal hearing. Threshold measurements were obtained by air and bone conduction using ±40 cm H2O pressure at 250, 500, 750, and 1000 Hz. Positive and negative pressures were varied in steps of 10 cm H2O up to 50 cm H2O over the frequency range of 100–1000 Hz. This was done to determine the amount of pressure that produced the greatest temporary threshold shift. Results suggested: (1) pressures of ±30 cm H2O are satisfactory and optimal for clinical practice; (2) contrary to previous reports, low tones were not found to be more affected than moderately higher frequencies; (3) maximum shift occurs from 250–1000 Hz and reveals a uniform pressure effect over this frequency range; (4) negative pressures are more effective than positive; (5) air conduction is more affected than is bone conduction; (6) bone conduction evaluation continues to be fraught with many difficulties, most prominent being the occlusion effect; (7) an improved pressure transducer has been accomplished; and (8) test norms for air and bone conduction have been established.

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