Table 1.
Intrinsic membrane properties of barrel neuron subtypes
RS (N = 65) | FS (N = 17) | LTS (N = 8) | |
---|---|---|---|
Baseline, mV | −67.5 ± 0.3 | −65.6 ± 0.6* | −65.5 ± 0.5 |
Input resistance, MΩ | 153.7 ± 7.0 | 95.3 ± 8.3* | 154.7 ± 23.1* |
Time Constant, ms | 19.0 ± 0.7 | 10.0 ± 0.5* | 13.1 ± 1.1** |
Threshold, mV | −45.6 ± 0.5 | −42.6 ± 1.3* | −45.5 ± 1.2 |
Spike width, ms | 1.11 ± 0.03 | 0.52 ± 0.03* | 0.84 ± 0.08** |
Adaptation | 0.73 ± 0.01 | 0.11 ± 0.04* | 0.60 ± 0.07* |
AHP, mV | −3.1 ± 0.5 | 3.6 ± 0.4* | 4.3 ± 1.0* |
-
Values shown are means ± SE. Asterisks (
-
↵* ) indicate values significantly different from regular spiking (RS) cells (t-test, P < 0.01). Pluses (+) indicate values significantly different from fast-spiking (FS) cells (t-test, P < 0.01). Baseline voltage is measured after applying a holding current. LTS, low-threshold spiking.