EPSC |
Synaptic delay | 795.4 ± 26.1 μsec (n = 26) | 504.2 ± 15.9 μsec (n = 18) | p < 0.001 |
EPSC amplitude | 9.60 ± 0.56 nA (n = 34) | 10.66 ± 0.82 nA (n = 34) | p = 0.142 |
EPSC rise time (20–80%) | 208.4 ± 4.7 μsec (n = 34) | 127.1 ± 2.4 μsec (n = 34) | p < 0.001 |
EPSC half-width | 1123.4 ± 49.7 μsec (n = 34) | 433.9 ± 18.7 μsec (n = 34) | p < 0.001 |
EPSC decay (exponential time constants) |
τfast | 1.28 ± 0.04 μsec (n = 24) | 0.44 ± 0.02 μsec (n = 25) | p < 0.001 |
τslow | 7.06 ± 0.60 μsec (n = 24) | 4.21 ± 0.19 μsec (n = 25) | p < 0.001 |
RatioINMDA/IAMPA | −1.08 ± 0.11 (n = 5) | −0.62 ± 0.07 (n = 8) | p < 0.001 |
Degree of depression |
10 Hz | 84.5 ± 0.9% (n = 23) | 55.0 ± 2.0% (n= 23) | p < 0.001 |
100 Hz | 97.2 ± 0.3% (n = 23) | 71.6 ± 2.8% (n = 23) | p < 0.001 |
300 Hz | 99.1 ± 0.1% (n = 14) | 85.8 ± 2.8% (n = 19) | p < 0.001 |
Evoked quantal EPSC |
Synaptic delay | 985.9 ± 7.5 μsec | 668.7 ± 7.3 μsec | p < 0.01 |
| (n = 4 cells, 727 events) | (n = 4 cells, 550 events) |
EPSC amplitude | 70.6 ± 6.9 pA (n= 4) | 79.5 ± 7.0 pA (n = 4) | p = 0.201 |
EPSC rise time (20–80%) | 211.3 ± 9.6 μsec (n = 4) | 149.3 ± 10.5 μsec (n = 4) | p < 0.01 |
EPSC half-width | 966.9 ± 126.6 μsec (n = 4) | 516.8 ± 47.1 μsec (n = 4) | p < 0.05 |