TABLE 5.
CI user | Electrode position | V ∞ [μV] | V ∞ − 2σ [μV] | SPM at Ѱ level | LTM at Ѱ level | HTM at Φ = Ѱ level | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
τ [ms] | c | T 0 [ms] | τ [ms] | c | V 0 [μV] | τ [ms] | c | V 0 [μV] | ||||
U01 | Middle | 48.02 | 39.37 | 4.28 | 0.12 | 0.52 | 208.63 | −0.14 | 6.10 | 85.89 | −0.54 | 20.03 |
Apical | 86.74 | 59.19 | 3.25 | 0.31 | 1.00 | 260.14 | −0.37 | 26.64 | 252.22 | −0.02 | 1.72 | |
U02 | Middle | 40.98 | 32.44 | 1.34 | 0.51 | 0.69 | 40.49 | −0.56 | 17.50 | |||
Apical | 39.85 | 27.68 | 2.37 | 0.34 | 0.80 | 286.58 | −0.99 | 25.02 | 256.65 | −0.56 | 17.18 | |
U03 | Middle | 65.04 | 25.96 | 4.41 | 0.27 | 1.18 | 162.72 | −0.25 | 14.44 | 367.77 | −0.05 | 3.34 |
Apical | 45.56 | 32.54 | 3.32 | 0.24 | 0.80 | 128.50 | −0.78 | 24.69 | 162.14 | −0.17 | 7.17 | |
U04 | Middle | 57.34 | 43.49 | 0.71 | 0.97 | 0.68 | 111.39 | −0.81 | 31.95 | |||
Apical | 38.26 | 17.35 | 3.83 | 0.15 | 0.56 | 213.09 | −0.10 | 3.70 | ||||
U05 | Middle | 31.33 | 18.58 | 5.33 | 0.15 | 0.81 | 150.92 | −0.07 | 2.09 | 339.70 | −0.05 | 1.57 |
Apical | 51.27 | 32.98 | 2.30 | 0.47 | 1.08 | a | −0.48 | 19.58 | 428.56 | −0.10 | 4.82 |
Fitting parameters are only shown for subjects where forward masking occurred in at least one experimental condition
CI cochlear implant, Φ same physical current level, Ѱ same psychophysical loudness level, SPM single-pulse masker, LTM low-rate pulse train masker, HTM high-rate pulse train masker
aNo recovery even after 256 ms