TABLE 1.Electrophysiological properties of medium-sized spiny neurons recorded in the nucleus accumbens
|
|
|||||
| Rmp, mV |
Rin, MΩ |
τ, ms |
Ap Threshold, mV |
Ap Amplitude, mV |
|
| Connected (n = 26) | –77 ± 2 | 194 ± 22 | 17 ± 3 | –32 ± 3 | 53 ± 3 |
| Non-connected (n = 48) |
–72 ± 2 |
212 ± 27 |
23 ± 4 |
–34 ± 2 |
51 ± 3 |
Values are means ± SE. The "Connected" group includes both presynaptic and postsynaptic cells. With "Non-connected," we denote
the group of paired recordings not revealing any connectivity. This, however, does not imply that the recorded cells were
not connected to non-recorded cells. Note that action potential amplitude was quantified with reference to spike threshold
level. Differences between values of each group were not statistically significant (P > 0.1, t-test for independent values). Rmp, resting membrane potential; Rin, input resistance; τ, membrane time constant; Ap, action potential.