Table 2.
Physiological features measured for HVCRA neurons from Juv, TDJuv, and normal Adult birds
| HVCRA (stable features) | Juv | TDJuv | Adult | ||||
|---|---|---|---|---|---|---|---|
| τM (ms) | 15.91 ± 3.95 | 20.24 ± 1.71 | 14.58 ± 2.68 | ||||
| RM (MΩ) | 221.78 ± 58.35 | 323.37 ± 36.78 | 268.67 ± 41.75 | ||||
| CM (pF) | 72.74 ± 11.70 | 63.84 ± 3.52 | 56.58 ± 7.81 | ||||
| Spike frequency (HZ) | 12.00 ± 4.51 | 13.70 ± 5.84 | 8.61 ± 2.37 | ||||
| Adaptation rate | 1.82 ± 0.36 | 0.88 ± 0.28 | 1.34 ± 0.16 | ||||
| Spike latency (ms) | 12.01 ± 3.55 | 18.93 ± 4.43 | 21.22 ± 7.81 | ||||
| Spike width (ms) | 1.98 ± 0.15 | 1.69 ± 0.20 | 1.90 ± 0.16 | ||||
| Sag ratio | 0.01 ± 0.00 | 0.01 ± 0.00 | 0.01 ± 0.00 | ||||
| Afterdepolarization (mV) | 1.26 ± 0.51 | 0.89 ± 0.16 | 1.06 ± 0.22 | ||||
| Voltage drop (mV) | 33.61 ± 5.74 | 35.92 ± 5.82 | 25.50 ± 3.20 | ||||
| HVCRA (affected features) | Juv | TDJuv | Adult | TDJuv vs Juv (p) | TDJuv vs Adult (p) | Juv vs Adult (p) | DF |
| Vrest (mV) | −62.31 ± 1.71 | −76.71 ± 1.31 | −76.92 ± 0.64 | 0.01 | 0.92 | 0.01 | 32 |
| Spike amplitude (mV) | 53.30 ± 4.88 | 74.10 ± 4.19 | 76.50 ± 3.89 | < 0.01 | 0.99 | 0.01 | 32 |
Mean values for each feature (± SEM) are presented. Features that showed statistically significant differences between groups are presented separately, along with the p-values and degrees of freedom (DF) for the Bonferroni-corrected pairwise comparisons.