Abstract
To the Editor: following excerpt from our recent paper in theA. M. A. Archives of Industrial Healthentitled, The Medical Principles of Monitoring Audiometry (Davis, H.; Hoople, G., and Parrack, H. O.:A. M. A. Arch. Indust. Health17:1-20, 1958), speaks for itself. Level, Hearing Loss, and Threshold Shift.—The familiar term 'hearing loss' includes three quite distinct concepts, and much confusion and many unnecessary arguments have occurred in court rooms, in committee rooms and in clinics because of this semantic monstrosity. These three concepts are (1) the otological meaning—symptomindicating anabnormal conditionof hearing, (2) the audiological meaning: thestatus of hearingas measured by a reading in decibels on the hearing-loss dial of an audiometer, and (3) the common sense meaning—a change for the worsein the sensitivity of hearing. It has been particularly difficult in medicolegal situations to reconcile the second
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