Table 1:
Cohort | Charge per phase (μC/phase) | Centre electrode* charge density (μC/cm2/phase) ** | Flanker electrode charge density (μC/cm2/phase) | Charge recovery technique | Stimulus rate (PPS) | N (cochleae) |
---|---|---|---|---|---|---|
1§ | 0 | 0 | 0 | N/A | N/A | 4 |
2§ | 0.2 | 100 | 50 | ES | 200 | 5 |
3 | 0.2 | 200 | 100 | ES | 1000 | 4 |
4 | 0.2 | 228 | 114 | ES | 200 | 3 |
5§ | 0.2 | 267 | 133 | ES | 200 | 5 |
6 | 0.2 | 267 | 133 | ES & AP | 200 | 5 |
7 | 0.2 | 267 | 133 | ES & CC | 200 | 6 |
8§ | 0.2 | 400 | 200 | ES | 200 | 5 |
9 | 0.2 | 540 | 270 | ES & CC | 200 | 6 |
Notes:
Unless otherwise stated, the cited charge density refers to that on the centre electrode of the tripole.
Geometric surface area.
Cohorts reported in (8).
N/A, not applicable; ES, Electrode shorting; AP, alternating leading phase; CC, coupling capacitor in series with stimulator output.