Table 3.
Unaided acoustic thresholds for narrow-band noise stimuli obtained in the clinic prior to implantation.
Center frequency (Hz) | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
---|---|---|---|---|---|---|
Upper limit of audiometer (dB HL) | 105 | 110 | 115 | 115 | 115 | 85 |
Hearing threshold (dB HL) | 65 | 83 | 103 | 102 | n/a* | n/a* |
Standard deviation (dB HL) | 10 | 8 | 12 | 17 | n/a* | n/a* |
Thresholds not measurable