TABLE 2.
Cat no. | Age at implantation, weeks | Age at stimulation, weeks | Stimulation period, weeks | Stimulus | Drug treatment | Age at study, weeks | No. of acoustic freqs. studied | No. of electrical channels studied |
---|---|---|---|---|---|---|---|---|
K335 | 7.5 | 9 | 17 | BP 1,2 and 5,6—speech processor, 1,100 pps | None | 26 | – | 4 |
K327a | 6 | 7 | 23 | BP 1,3b and 5,6—speech processor, 1,100 pps | Rasagiline, systemic, 10 weeks | 30 | – | 4 |
K336a | 5.5 | Not stimulated | – | – | Artificial perilymph, infusion pump, 10 weeks | 16 | – | 5 |
K313 | 5 | 10 | 13 | BP 1,2 and 5,6—speech processor, 1,100 pps | BDNF, infusion pump, 11 weeks | 23 | – | 4 |
K319 | 5 | 8 | 20 | BP 1,2 and 5,6—speech processor, 1,100 pps | BDNF, infusion pump, 11 weeks | 28 | – | 1 |
K329 | 4 | 7 | 22 | BP 1,2 and 5,6: 300 pps/30 Hz; | BDNF, infusion pump, 10 weeks | 29 | – | 5 |
K328 | Normal hearing cat | – | – | – | – | 26 | 11 | 4 |
K338 | Normal hearing cat | – | – | – | – | 31 | 9 | 4 |
BP bipolar, pps pulses per second
aCats that received dexamethasone through the osmotic pump during the first several days after cochlear implantation
bK327 had 1,3 bipolar pair stimulated for most of the stimulation period due to the failure of wire # 2