Hearing thresholds
hearing loss, HL
HEARING LOSS
Pure-tone thresholds in decibel (dB) hearing level (HL) were measured with a calibrated clinical audiometer (GSI 61, Grason-Stadler, USA). The following frequencies: 0.25, 0.5, 1, 2, 3, 4, 6, and 8 kHz were assessed in each ear separately. None of the participants had been diagnosed with hearing loss by an audiologist. Audiograms are provided in 