Table 1.
Hyperpolarization-activated current parameters
| Density1-a(pA/μm2) | V½ (mV) | K (mV) | Act. τ1-a(msec) | Deact τb(msec) | Erev(mV) | |
|---|---|---|---|---|---|---|
| Soma | 1.8 ± 0.3 (20) | −82 ± 1.2 (10) | 8.8 ± 0.5 (10) | 17 ± 2.1 (6) | 18 ± 0.2 (6) | −2 ± 1.9 (4) |
| Dendrite | 11.9 ±1.5 (9) | −90 ± 1.0 (14) | 8.5 ± 0.5 (14) | 20 ± 1.4 (7) | 16 ± 0.8 (9) | +1 ± 2.4 (5) |
| Na ext.e | 4.5 ± 1.3 (9) | −81 ± 1.3 (6) | 7.0 ± 0.7 (6) | 19 ± 2.8 (5) | 26 ± 2.2 (5) | −13 ± 4.0 (8) |
F1-a
At approximately −120 mV, dendrite at approximately 250 μm; b at approximately −45 mV; c 250 μm dendritic recordings in solution with 60 mm Na+.