Table 4. Voltage threshold, AHP properties and ramp current of first and last two ramp spikes
| Spike 1 | Spike 18 | Spike 19 | |
|---|---|---|---|
| Data represent the Vth and AHP properties of the ramp spikes in Fig. 5a and c. | |||
| Current required for spike generation (nA) | 17.4 | 16.4 | 16.1 |
| Vth prior to spike generation (mV) | −42.7 | −45.6 | −44.0 |
| AHP amplitude (mV) | 16.0 | 13.4 | 14.3 |
| AHP ¾ duration time (ms) | 35.0 | 34.6 | 42.0 |