Monaural and binaural intensity discrimination in normal and cochlear-impaired listeners.
Monaural and binaural intensity difference limens for 75-dB SPL pure tones were determined for 6 normal subjects and for 6 subjects with cochlear hearing loss. The magnitude of binaural masking level difference (BMLD) was also determined. Both normal and hearing-impaired subjects showed a 0.45-dB binaural advantage for intensity discrimination. In contrast, the BMLD was appreciably reduced with hearing impairment. Results are discussed in terms of specific effects of hearing loss on binaural hearing.
D000328:Adult; D004292:Dominance, Cerebral; D006312:Hearing Loss, Bilateral / Q000175:diagnosis; D006319:Hearing Loss, Sensorineural / Q000175:diagnosis*; D006801:Humans; D008144:Loudness Perception; D008875:Middle Aged; D010470:Perceptual Masking; D010898:Pitch Perception