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  • Title: Auditory brainstem responses as a function of average hearing sensitivity for 2,000-4,000 Hz.
    Author: Bauch CD, Olsen WO.
    Journal: Audiology; 1988; 27(3):156-63. PubMed ID: 3408400.
    Abstract:
    Average hearing thresholds for 2,000, 3,000 and 4,000 Hz and ABR results were analyzed for 290 patients having some degree of cochlear hearing loss. As average hearing sensitivity in the 2,000- to 4,000-Hz range became poorer, the incidence of abnormal auditory brainstem responses (ABR) increased. When the 2,000-Hz threshold sensitivity was 0-40 dB and the three-frequency average hearing loss was less than 50 dB, nearly 80% of ABR tracings were normal. Steeply sloping audiograms above 2,000 Hz increased the percent of abnormal ABR results.
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