Appendix 1.
Frequency Difference Limens (DLs). Normal-Hearing (NH) Data Averages and Ranges Are Shown (All Averages Were Calculated in a Logarithmic Scale).
| CI1R | CI2R | CI3L | CI3R | CI5R | CI6L | CI7R | CI9R | CI10L | CI10R | CI11L | CI11R | CI12L | CI13L | CI15L | CI18L | NH average | NH range | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Condition | Pure-tone frequency DLs (%) | |||||||||||||||||
| 500 Hz | 1.5 | 2.2 | 11.0 | 9.2 | 14.6 | 12.7 | 9.1 | 7.7 | 2.1 | 4.1 | 10.1 | 11.8 | 32.5 | 66.0 | 25.6 | 0.5 | 4.7 | 0.4-31.0 |
| 1000 Hz | 0.5 | 0.6 | 8.5 | 13.8 | 7.3 | 2.5 | 13.4 | 76.8 | 2.9 | 2.3 | 21.1 | 27.0 | 17.0 | 49.1 | 34.1 | 0.3 | 5.1 | 0.3- 41.3 |
| 2000 Hz | 1.7 | 1.4 | 1.7 | 8.7 | 5.3 | 1.3 | 29.1 | 6.3 | 2.6 | 6.6 | 11.3 | 88.8 | 18.9 | 30.4 | 5.1 | 0.2 | 3.7 | 0.3-18.8 |
| Pure-tone frequency DLs roved (%) | ||||||||||||||||||
| 500 Hz | 5.2 | 2.5 | 36.9 | 12.2 | 23.6 | 11.6 | 24.4 | 20.0 | 5.0 | 6.2 | 7.4 | 23.6 | 33.9 | 54.7 | 26.9 | 4.2 | 8.7 | 0.9-35.0 |
| 1000 Hz | 4.7 | 6.6 | 9.7 | 16.0 | 31.9 | 14.3 | 22.0 | 74.9 | 3.3 | 7.5 | 13.9 | 72.6 | 71.2 | 79.7 | 61.3 | 5.4 | 11.2 | 1.2-39.5 |
| 2000 Hz | 8.3 | 0.4 | 17.2 | 9.0 | 46.9 | 7.5 | 18.0 | 10.5 | 7.7 | 4.5 | 16.0 | 88.8 | 53.2 | 69.3 | 19.2 | 7.8 | 6.7 | 1.2- 37.9 |
| Tone-pip frequency DLs (%) | ||||||||||||||||||
| 500 Hz | 2.0 | 1.9 | 40.8 | 6.7 | 22.8 | 7.3 | 14.2 | 29.0 | 4.9 | 3.3 | 26.9 | 22.0 | 30.5 | 88.8 | 11.6 | 3.8 | 2.3 | 0.3-21.9 |
| 1000 Hz | 1.6 | 4.1 | 13.0 | 12.3 | 13.9 | 1.9 | 48.5 | 15.7 | 4.5 | 5.0 | 55.7 | 6.3 | 45.6 | 43.6 | 43.0 | 0.5 | 2.0 | 0.2-14.7 |
| 2000 Hz | 3.7 | 1.3 | 41.3 | 9.8 | 19.1 | 9.3 | 21.1 | 21.1 | 12.2 | 4.6 | 61.3 | 67.7 | 8.4 | 85.6 | 18.9 | 1.4 | 1.9 | 0.3-17.2 |
| Tone-pip frequency DLs roved (%) | ||||||||||||||||||
| 500 Hz | 5.3 | 2.3 | 46.9 | 15.0 | 22.4 | 11.0 | 32.4 | 27.8 | 7.3 | 11.6 | 15.5 | 26.4 | 21.5 | 29.8 | 8.6 | 6.2 | 5.9 | 0.8-38.2 |
| 1000 Hz | 11.1 | 3.0 | 8.0 | 13.6 | 22.6 | 9.7 | 26.3 | 16.9 | 6.3 | 10.8 | 32.3 | 31.6 | 44.0 | 72.3 | 46.6 | 3.0 | 8.0 | 1.7-29.8 |
| 2000 Hz | 18.2 | 3.0 | 26.4 | 19.1 | 35.7 | 7.8 | 18.9 | 18.1 | 3.9 | 10.6 | 62.1 | 73.9 | 30.0 | 38.5 | 20.2 | 5.3 | 6.9 | 0.8-49.9 |
| Harmonic complex frequency DLs (%) | ||||||||||||||||||
| 110 Hz | 3.5 | 0.8 | 20.2 | 23.3 | 8.4 | 12.2 | 41.1 | 15.1 | 6.6 | 11.3 | 15.2 | 22.5 | 52.2 | 45.6 | 40.8 | 2.1 | 3.0 | 0.2-45.6 |
| 220 Hz | 1.9 | 3.1 | 19.8 | 7.9 | 11.8 | 5.6 | 21.8 | 22.5 | 16.0 | 29.9 | 13.2 | 83.1 | 44.7 | 45.2 | 48.3 | 2.1 | 4.3 | 0.6-33.6 |
| 440 Hz | 8.3 | 62.0 | 20.2 | 4.5 | 13.2 | 21.0 | 9.9 | 23.0 | 0.9 | 27.2 | 3.9 | 62.7 | 35.0 | 57.6 | 46.4 | 16.4 | 3.6 | 0.6-23.3 |
| Harmonic complex frequency DLs roved (%) | ||||||||||||||||||
| 110 Hz | 2.3 | 27.5 | 34.1 | 12.6 | 32.4 | 25.6 | 32.8 | 9.7 | 9.7 | 13.2 | 29.8 | 78.3 | 77.6 | 25.3 | 3.0 | 2.3 | 7.2 | 1.3-48.7 |
| 220 Hz | 7.4 | 25.3 | 15.9 | 47.9 | 27.8 | 24.2 | 51.2 | 28.4 | 29.6 | 29.9 | 86.8 | 37.6 | 77.3 | 47.5 | 5.4 | 7.4 | 7.8 | 1.2-43.6 |
| 440 Hz | 48.1 | 30.8 | 32.8 | 84.9 | 29.8 | 42.9 | 46.4 | 74.0 | 48.9 | 11.1 | 67.8 | 60.8 | 78.6 | 37.8 | 49.6 | 48.1 | 5.9 | 1.4-43.4 |
Note: CI = cochlear implant.