Changes of synaptic efficacy and potency with extracellular Ca2+ concentration as tested in paired recordings
| 3 mm Ca2+ | 1 mm Ca2+ | |
|---|---|---|
| Synaptic efficacy (including failures; mV) | ||
| pyr–pyr (n = 3) | 1.66 ± 0.85 (0.54, 1.95, 2.51) | 1.07 ± 0.22 (0.16, 1.21, 1.86) |
| pyr–int (n = 2) | 6.68 ± 5.71 (2.64, 10.73) | 5.29 ± 5.73 (1.24, 9.35) |
| int–pyr (n = 2) | −1.02 ± 0.52 (−1.39, −0.65) | −0.19 ± 0.09 (−0.13, −0.26) |
| pyr–int–pyr (n = 2) | −0.66 ± 0.03 (−0.64, −0.68) | −0.34 ± 0.05 (−0.37, −0.31) |
| Synaptic potency (excluding failures; mV) | ||
| pyr–pyr (n = 3) | 1.69 ± 1.01 (0.59, 1.95, 2.55) | 1.36 ± 0.92 (0.39, 1.46, 2.23) |
| pyr–int (n = 2) | 7.39 ± 5.47 (3.55, 11.27) | 6.14 ± 5.54 (2.22, 10.06) |
| int–pyr (n = 2) | −1.06 ± 0.46 (−1.39, −0.74) | −0.53 ± 0.13 (−0.44, −0.63) |
| pyr–int–pyr (n = 2) | −0.78 ± 0.11 (−0.71, −0.86) | −0.67 ± 0.15 (−0.56, −0.78) |
Data are given as mean ± SD. Individual values are given in parentheses.