The ear effect as a function of age and hearing loss

Abstract
The right ear statistically is slightly more sensitive than the left ear, particularly in the male adult population. The lateral difference in hearing sensitivity, termed the ear effect here, was examined in an industrial noise-exposed, nonshooting population, by sex, age, and hearing level [HL]. The male population had a larger ear effect (right ear being more sensitive) than the female population. The magnitude of the ear effect was significantly related to the hearing threshold level. The ear effect was highest when the threshold was between 30 and 40 dB HL. Several possible causes for the ear effect are discussed.

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