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. 2019 Mar 28;13:119. doi: 10.3389/fncel.2019.00119

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.