Table 1.
Properties of spontaneous EPSCs received by pyramidal cells
| Frequency (Hz) | Amplitude (pA) | Rise time (ms) | Decay time (ms) | Area (pC ms) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Soma | ||||||||||
| Sham | 3.8 ± 0.8 | (13) | 23.3 ± 0.5 | (13) | 0.80 ± 0.03 | (13) | 4.61 ± 0.02 | (13) | 322 ± 13 | (13) |
| Early latent (3–5 days) | 1.7 ± 0.5* | (12) | 20.7 ± 0.5* | (12) | 2.15 ± 0.07* | (12) | 8.9 ± 0.3* | (12) | 236 ± 16* | (12) |
| Late latent (7–10 days) | 4.8 ± 1.8† | (12) | 23.7 ± 0.5† | (12) | 1.38 ± 0.04*† | (12) | 7.87 ± 0.03* | (12) | 452 ± 28*† | (12) |
| Chronic | 8.9 ± 1.2*† | (9) | 54.8 ± 5.4*† | (9) | 1.61 ± 0.06*† | (9) | 8.49 ± 0.3* | (9) | 736 ± 33*† | (9) |
| Dendrites | ||||||||||
| Sham | 0.5 ± 0.2 | (8) | 22.9 ± 0.9 | (8) | 1.89 ± 0.08 | (8) | 7.39 ± 0.4 | (8) | 220 ± 17 | (8) |
| Latent | 3.7 ± 1.0* | (6) | 27.7 ± 1.0* | (6) | 1.90 ± 0.08 | (6) | 7.54 ± 0.5 | (6) | 268 ± 21 | (6) |
| Chronic | 1.8 ± 0.6* | (8) | 28.6 ± 0.6* | (8) | 1.88 ± 0.06 | (8) | 7.55 ± 0.4 | (8) | 315 ± 11 | (8) |
Values represent means ±s.e.m.
*
P < 0.05, significantly different by Student's unpaired t test compared with sham.
†
P < 0.05, significantly different by Student's unpaired t test comparing chronic versus late latent (7–10 days) and late latent (7–10 days) versus early latent (3–5 days).