TABLE 1.Intrinsic membrane properties of RS, FS, and LTS cells in layer 4
|
|||
RS |
FS |
LTS |
|
Resting membrane potential, mV | -66 ± 5 (28) | -64 ± 5 (48) | -59 ± 4 (33) |
Input resistance, MΩ | 133 ± 48 (28) | 55 ± 19 (48) | 82 ± 42 (33) |
Membrane time constant, ms | 17.4 ± 4.5 (14) | 8.8 ± 2.1 (30) | 16.4 ± 7.8 (18) |
Action potential half width, ms | 0.91 ± 0.18 (28) | 0.36 ± 0.07 (48) | 0.56 ± 0.12 (33) |
Steady-state firing rate at threshold, Hz | 12.3 ± 5.5 (28) | 56.5 ± 18.6 (48) | 17.2 ± 7.9 (33) |
Maximal steady-state firing rate, Hz | 59.4 ± 13.7 (14) | 271.7 ± 51.8 (9) | 120.7 ± 41.2 (25) |
Spike frequency adaptation |
0.23 ± 0.11 (28) |
1.13 ± 0.45 (48) |
0.39 ± 0.18 (33) |
All data are means ± SD with the numbers of tested neurons in parentheses. RS, FS, and LTS, regular, fast, and low-threshold
spiking, respectively.