Air-bone Gap in Normal Hearings.

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  • 聴力正常者の気骨導差について

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Air-bone gaps were measured at two sites, the mastoid and forehead, for 60 young adults with normal hearing. The following findings were obtained.<br>1. For bone-conduction at forehead, the probability of the air-bone gaps within ±5dB was about 60% and within ±10dB about 85%. The probabilities for the mastoid were lower than the forehead by about 5dB. It was suggested that the critical air-bone gap for conductive disturbance would be expanded.<br>2. The general misunderstanding that air-bone gaps of the normals is 0dB even for the normal individuals, could not be supported.

Journal

  • AUDIOLOGY JAPAN

    AUDIOLOGY JAPAN 37 (4), 295-299, 1994

    Japan Audiological Society

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