Stimulus– response function (mV · msec^{−1} · μA^{−1}) | Response threshold (μA) | R_{Input} (MΩ) | Baseline firing rate (Hz) | Current–frequency relation (Hz/nA) | Accommodation rate (@400 pA, Hz/ISI) | Spontaneous EPSC amplitude (<30 pA), pA | Spontaneous EPSC frequency (Hz) | R_{Series}(MΩ) | |
---|---|---|---|---|---|---|---|---|---|

Fledgling | 89 ± 14 | 9.2 | 54.7 ± 7.3 | −0.93 ± 0.13 | |||||

(n = 7) | (1) | (6) | (4) | ||||||

Juvenile | 0.070 ± 0.017 | 217 ± 51 | 86 ± 7 | 12.0 ± 0.8 | 67.3 ± 3.5 | −0.44 ± 0.05 | 8.9 ± 0.1 | 0.27 ± 0.06 | 20.8 ± 0.5 |

*p < 0.01^{a} | (2013 events from 14 cells) | ||||||||

(n = 12) | (12) | (21) | (13) | (23) | (18) | (13) | (13) | ||

Adult | 0.178 ± 0.051 | 58 ± 16 | 91 ± 15 | 15.3 ± 2.0 | 70.8 ± 3.4 | −0.39 ± 0.06 | |||

**p < 0.05^{a} | **p < 0.02^{a} | *p < 0.04^{b} | *p < 0.01^{a} | ||||||

(n= 8) | (8) | (9) | (9) | (19) | (14) | ||||

LMAN-lesioned juvenile | 0.169 ± 0.035 | 85 ± 20 | 82 ± 7 | 11.7 ± 0.6 | 70.9 ± 4.5 | −0.50 ± 0.08 | 9.8 ± 0.1 | 0.32 ± 0.12 | 21.1 ± 0.5 |

**p< 0.01^{a} | **p < 0.04^{a} | **p< 0.0001^{a} | |||||||

(n= 13) | (13) | (18) | (9) | (19) | (18) | (1692 events from 8 cells) | (7) | (7) |

All values: mean ± SEM. *Versus fledgling; **versus juvenile control; statistically significant differences in

**bold**.F2-a Mann–Whitney

*U*test: used when one or more of the distributions under comparison was significantly non-normal based on the Shapiro-Wilk test.F2-b Two-tailed Student's

*t*test assuming equal variance: used when both distributions were normal and their variances equal.