Table 1.
Decay time constants of IPSCs of NL neurons under different stimulus conditions
| Decay time constant (ms) | ||
|---|---|---|
| Stimulus condition | LF (n) | MF/HF (n) |
| Miniature IPSC | 7.2 ± 0.8 (5) | 16.1 ± 1.5 (5)** |
| Spontaneous IPSC | 6.9 ± 0.4 (27) | 17.6 ± 0.7 (49)*** |
| Single-pulse IPSC | 10.4 ± 0.6 (21) | 54.8 ± 10.3 (21)*** |
| Train stimulations (same intensity) | ||
| 1 Hz | 11.5 ± 0.9 (11) | 81.4 ± 22.3 (8)** |
| 5 Hz | 13.2 ± 1.8 | 121.7 ± 26.0*** |
| 10 Hz | 14.2 ± 1.7 | 203.6 ± 45.0*** |
| 50 Hz | 33.2 ± 4.8 | 264.8 ± 46.5*** |
| 100 Hz | 60.5 ± 6.2 | 327.2 ± 59.4*** |
| 200 Hz | 77.5 ± 6.6 | 293.7 ± 59.2*** |
| Different stimulus intensity | ||
| Single-pulse, low intensity | 12.8 ± 2.7 (9) | 55.9 ± 10.9 (14) |
| Single-pulse, high intensity | 12.7 ± 1.0 (9) | 73.4 ± 12.4 (14) |
| t test P value | >0.05 | <0.05 |
| 100 Hz, low intensity | 68.8 ± 15.5 (7) | 203.3 ± 18.9 (15) |
| 100 Hz, high intensity | 76.5 ± 13.1 (7) | 355.7 ± 26.2 (15) |
| t test P value | >0.05 | <0.01 |
n: number of cells. Weighted time constants (mean ± SEM) are reported. **,***: t test P < 0.01 and P < 0.001 between LF and MF/HF neurons, respectively.