Abstract

Reversible tinnitus was induced in 10 male and 8 female normal-hearing subjects following a 5 min 110 dB SPL exposure to white noise. Temporary threshold shift (TTS) was measured at 2 and 4 kHz. Characteristics of the tinnitus were determined by means of a written questionnaire administered 5 min following termination of the noise. Most of the subjects experienced a continuous tonal tinnitus of moderate loudness. Characterization of the tinnitus regarding spectral quality, type of sound, and perceived location differed as a function of gender. No difference in TTS measured at 2 and 4 kHz was seen as a function of gender. Positive relationships of fair to moderate strength were revealed between pre-exposure thresholds, TTS, and tinnitus pitch and level.

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