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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
arts and humanities
False air-bone gaps at 4 kHz in listeners with normal hearing and sensorineural hearing loss
International Journal of Audiology, Volume 52, No. 8, Year 2013
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Description
Objective: This report presents data from four studies to examine standard bone-conduction reference equivalent threshold force levels (RETFL), especially at 4 kHz where anomalous air-bone gaps are common. Design: Data were mined from studies that obtained air-and bone-conduction thresholds from normal-hearing and sensorineural hearing loss (SNHL) participants, using commercial audiometers and standard audiometric transducers. Study sample: There were 249 normal-hearing and 188 SNHL participants. Results: (1) Normal-hearing participants had small air-bone gaps at 0.5, 1.0, and 2.0 kHz (1.7 to 0.3 dB) and larger air-bone gaps at 4 kHz (10.6 dB). (2) SNHL participants had small air-bone gaps at 0.5, 1.0, and 2.0 kHz (0.7 to 1.7 dB) and a larger air-bone gap at 4 kHz (14.1 dB). (3) The 4-kHz air-bone gap grew with air-conduction threshold from 10.1 dB when the air-conduction threshold was 5-10 dB HL to 21.1 dB when the air-conduction threshold was greater than 60 dB. (4) With the 4-kHz RETFL corrected by the average SNHL air-bone gap, the relationship between RETFL and frequency is linear with a slope of-12 dB per octave. Conclusions: The 4-kHz air-bone gaps for listeners with SNHL could be avoided by adjusting the 4-kHz RETFL by-14.1 dB. © 2013 British Society of Audiology, International Society of Audiology, and Nordic Audiological Society.
Authors & Co-Authors
Margolis, Robert H.
United States, Minneapolis
University of Minnesota Twin Cities
United States, Arden Hills
Audiology Incorporated
Eikelboom, Robert Henry
Australia
Ear Science Institute
South Africa, Pretoria
University of Pretoria
Australia, Perth
The University of Western Australia
Johnson, Chad
United States, Minneapolis
University of Minnesota Twin Cities
Ginter, Samantha M.
United States, Minneapolis
University of Minnesota Twin Cities
Swanepoel, De Wet
Australia
Ear Science Institute
South Africa, Pretoria
University of Pretoria
Australia, Perth
The University of Western Australia
Moore, Brian C.J.
United Kingdom, Cambridge
School of the Biological Sciences
Statistics
Citations: 32
Authors: 6
Affiliations: 6
Identifiers
Doi:
10.3109/14992027.2013.792437
ISSN:
14992027
e-ISSN:
17088186
Research Areas
Disability
Environmental