Table 1.
Functional properties of bushy cells (BCs) and stellate cells (SCs) during development.
| Parameter | Cell type | P12 | P13 | P14 | P18 | P30 |
|---|---|---|---|---|---|---|
| Sample size | BC | 10 | 17 | 13 | 16 | 14 |
| SC | 12 | 16 | 13 | 12 | 13 | |
| AP duration (ms) | BC | 0.64 [0.61; 0.87] | 0.59 [0.53; 0.64] | 0.53 [0.5; 0.6] | 0.48 [0.42; 0.53] | 0.45 [0.38; 0.56] |
| SC | 0.38 [0.34; 0.41] | 0.32 [0.28; 0.36] | 0.31 [0.26; 0.32] | 0.29 [0.24; 0.32] | 0.24 [0.23; 0.28] | |
| PP-AP delay (ms) | BC | 0.93 ± 0.1 *n = 5 | 0.9 ± 0.11 *n = 9 | 0.72 ± 0.08 *n = 9 | 0.75 ± 0.07 | 0.63 ± 0.07 |
| Spontaneous firing rate (AP/s) | BC | 22.2 [7; 41.5] | 31.4 [1.8; 41.2] | 43.9 [3.9; 68.2] | 61.8 [26.1; 84.4] | 50.8 [9.4; 85.7] |
| SC | 1.6 [0.7; 7.7] | 3.6 [1.1; 16.2] | 6.6 [0.9; 12.1] | 17.4 [6.6; 42.1] | 33.6 [9.7; 58.9] | |
| CVspont | BC | 1.14 [0.97; 1.41] | 1.01 [0.93; 1.11] | 0.8 [0.72; 0.94] | 0.78 [0.7; 0.9] | 0.9 [0.76; 0.98] |
| SC | 1.56 [1.2; 1.82] | 1.24 [1.08; 1.6] | 1.12 [0.98; 1.42] | 0.92 [0.86; 1] | 0.91 [0.83; 1.06] | |
| No of bursts per 100 s | BC | 0.55 [0; 1.7] | 0 [0; 0] | 0 [0; 0] | 0 [0; 0] | 0 [0; 0] |
| SC | 1.45 [0.35; 3] | 0.65 [0; 2.6] | 0 [0; 2.76] | 0 [0; 0] | 0 [0; 0] | |
| Threshold (dB SPL) | BC | 44.6 [39.2; 53.4] | 23.7 [16.3; 31.8] | 11.8 [−0.8; 21.3] | 5.6 [0.2; 15.2] | 4 [−2; 7.7] |
| SC | 43.4 [37; 46.1] | 26.1 [19.2; 31.6] | 7 [−4.2; 11.6] | 8.2 [2.9; 19.7] | −0.4 [−4; 2.8] | |
| Maximum firing rate (AP/s) | BC | 171.2 ± 48.8 | 204.1 ± 52.6 | 228.2 ± 53 | 262.2 ± 53 | 317.5 ± 60.1 |
| SC | 169.8 ± 53.1 | 203.2 ± 51.8 | 275.6 ± 75.8 | 334 ± 76 | 438.3 ± 105.8 | |
| Dynamic range (dB SPL) | BC | 14.1 ± 5.4 | 21.9 ± 6.8 | 25 ± 10 | 32.4 ± 13.9 | 29.7 ± 15.8 |
| SC | 17.6 ± 6.2 | 19.1 ± 8.9 | 21.9 ± 9.6 | 24.4 ± 13.7 | 28.9 ± 14.4 | |
| Inhibition strength (% of spont rate) | BC | – | – | 61.1 [42; 80.6] *n = 7 | 57.7 [48.4; 70.4] *n = 7 | 67.1 [61.8; 76.8] *n = 12 |
| SC | – | 96.9 [89.6; 100] *n = 8 | 100 [94.8; 100] *n = 6 | 94.8 [89; 100] *n = 8 | 98 [93.5; 100] *n = 10 | |
| Q20inh | BC | – | – | 21.7 [14.3; 31.1] *n = 7 | 8.6 [3.9; 17.8] *n = 7 | 12.9 [5.6; 29.2] *n = 12 |
| SC | – | 5.8 [4.7; 7.3] *n = 8 | 6.3 [4.3; 21.2] *n = 6 | 6.2 [2.9; 15.4] *n = 8 | 8.8 [3.8; 10.4] *n = 10 | |
| CVPSTH | BC | 0.48 [0.46; 0.55] | 0.46 [0.44; 0.49] | 0.46 [0.44; 0.49] | 0.53 [0.48; 0.56] | 0.5 [0.46; 0.54] |
| SC | 0.48 [0.42; 0.54] | 0.39 [0.28; 0.52] | 0.47 [0.43; 0.52] | 0.21 [0.18; 0.27] | 0.33 [0.16; 0.37] | |
| First spike latency (ms) | BC | 6.2 ± 0.8 | 6.5 ± 0.8 | 4.8 ± 0.7 | 4.3 ± 0.4 | 4.1 ± 0.5 |
| SC | 8.3 ± 0.8 | 7.2 ± 1.3 | 6 ± 0.4 | 5.9 ± 0.3 | 5.8 ± 0.7 |
Most parameters were examined in all recorded cells, indicated by sample size in the first row. Deviating sample sizes are marked with an asterisk. Data are presented as mean ± SD or as median with 25 and 75 percentiles, depending on the distribution.