Table 1The active and passive membrane properties of the two groups of neurons
Neuron type
Membrane resistance (MΩ)*
Action potential height (mV)
Action potential width (ms)†
AHP type
AHP duration (ms)
AHP height (mV)
Cholinergic
160±81
77.8±5.4
1.4±0.29
Slow
Slow
Slow
(12)
(9)
(9)
(25 of 25)
458±144
15±3.8
(12)
(12)
Long
Long
Long
(12 of 24)
2550±960
4.3±1.7
(10)
(10)
Non-cholinergic
151±111
73.3±9.7
0.65±0.20
Intermediate
113±43.8
10.4±3.6
(fast AHP)
(7)
(8)
(8)
(22 of 22)
(8)
(8)
*All values were generated from holding potentials that ranged from −65 to −58mV; values are mean±S.D. with the number of neurons in parentheses.†Measured at 1/4 base to peak of action potential.
