TABLE 1.A comparison of membrane properties for CS, RSm and RSi cells
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n |
Resting Membrane Potential, mV
|
Input Resistance, MΩ |
Amplitude of Action Potential, mV
|
Half-Width of Action Potential, ms
|
Duration of AHP, ms
|
IA |
|
CS cell | 15 | -59.5 ± 4.3 | 42.9 ± 12.9 | 60.4 ± 5.4 | 1.2 ± 0.3* | 15.7 ± 4.9* | 73% |
RSm cell | 13 | -57.5 ± 2.7 | 49.6 ± 14.6 | 67.7 ± 7.0 | 0.7 ± 0.1* | 87.0 ± 21.2* | 54% |
RSi cell
|
19
|
-61.6 ± 3.8
|
61.3 ± 21.4
|
65.2 ± 7.2
|
0.7 ± 0.2* |
37.5 ± 12.1* |
79%
|
* Significant differences in afterhyperpolarizations (AHPs) for regular spiking (RS) cells with intermediate (RSi) and medium (RSm) AHP and cluster spiking (CS) (t-test, P < 0.001) and for the half-width of the action potential for both groups of RS cells and CS cells (t-test, P < 0.001).