Table 1
Properties of uEPSPs and synaptic contacts in L4-L6 excitatory connections
| Presynaptic neuron | SSC (n = 6) | SPN (n = 14) | P value |
|---|---|---|---|
| 20-80% Rise time (ms) | 6.70 ± 2.08 (2.94-9.15) | 2.51 ± 2.17 (0.77-7.18) | 8.30 × 10-4 |
| Latency (ms) | 3.77 ± 1.57 (2.16-6.14) | 2.45 ± 1.22 (1.29-4.92) | 0.05 |
| Decay time constant (ms) | 37.5 ± 16.1 (25.2-69.1) | 30.8 ± 10.9 (11.3-59.3) | 0.29 |
| Amplitude (mV) | 0.29 ± 0.16 (0.12-0.55) | 0.31 ± 0.19 (0.07-0.74) | 0.79 |
| Paired-pulse ratio | 0.95 ± 0.28 (0.45-1.24) | 1.03 ± 0.25 (0.64-1.38) | 0.54 |
| Failure rate (%) | 25.0 ± 16.4 (10.1-46.7) | 28.2 ± 20.7 (1.7-66.7) | 0.75 |
| Coefficient of variation | 0.50 ± 0.11 (0.40-0.65) | 0.58 ± 0.17 (0.33-0.83) | 0.30 |
| Number of contacts | 2.3 ± 1.4 (1-4) | 1.7 ± 0.8 (1-4) | 0.22 |
| Geometric distance of contacts (µm) | 591 ± 137 (275-801) | 201 ± 210 (25-732) | 3.93 × 10-7 |
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Bold italics indicate significant differences.