Table 2.
Comparison with other published works
| Hancock et al. (2010) | Hancock et al. (2013) | Thompson et al. (2021) | Chung et al. (2019) | This work | |
|---|---|---|---|---|---|
| Species | Cats | Cats | Cats | Rabbits | Rats |
| Deafening procedure | Congenitally deaf | Congenitally deaf | Neonatal deafening (neomycin sulfate) | Neonatal deafening (neomycin sulfate) | Neonatal deafening (kanamycin) |
| Approaches for implant insertion | Round window | Round window | Round window | Round window | Cochleostomies |
| Electrodes | 8-ring electrode array | 8-ring electrode array | 8- or 14- ring electrode array | 8-ring electrode array | 4 independent electrodes |
| Stimulus configuration | Wide bipolara | Wide bipolara | Wide bipolara | Wide bipolara | Scala tympani and scala vestibuli electrodes pair |
| Pulse rates (pps) | 10–80 | 10–80 | 40 | 20–1280 | 20–1280 |
| Phase duration and interphase gap (μs) | 50/0 | 50/0 | 100/50 | 50/0 | 40/0 |
| Analysis metric of ITD sensitivity | STVR (F test, p < 0.025) |
STVR (F test, p < 0.025) |
STVR (F test, p < 0.025) |
STVR (F test, p < 0.01) |
STVR (F test, p < 0.01) |
| Incidence of ITD sensitivity (no. of units) | 48% (114) | 53% (139) | 56% (55) | 62% (66) | 65% (100) 55% (100)b |
STVR, the signal-to-total variance ratio.
a
Between the most apical and most basal intracochlear electrodes.
b
Only at a pulse rate of 40 pps.