|
Age
|
Spikes per channel during global bursts
|
Spikes on all channels during global burst
|
Active channels during global bursts
|
Burst duration (channel; ms)
|
Burst duration (global; ms)
|
|---|
| |
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
|---|
|
i
|
9-23
|
13 ± 1*
|
70-592
|
264 ± 43
|
7-38
|
19 ± 2*
|
20-80
|
50 ± 5
|
80-190
|
140 ± 8*
|
|
m
|
6-20
|
11 ± 1
|
35-374
|
140 ± 22
|
5-20
|
12 ± 1
|
20-50
|
40 ± 3
|
40-160
|
100 ± 1
|
| |
In-burst ISI (ms)
|
Overall ISI (ms)
|
Proportion of spikes in bursts (%)
|
Inter-burst interval (s)
| |
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
|
Range
|
Mean ± SEM
| | |
|
i
|
2-9
|
4.6 ± 0.5
|
13-61
|
33 ± 4
|
28-93
|
56 ± 6.5
|
1.9-30.1
|
7.3 ± 2.0
| | |
|
m
|
2-6
|
4 ± 0.3
|
22-79
|
44 ± 4
|
26-91
|
58 ± 4.8
|
0.9-27.2
|
5.1 ± 1.5
| | |
- Data are presented as minima and maxima ranges and means ± SEM. ‘m’ and ‘i’ represent mature and immature cultures respectively (see Methods). * indicates significant differences (P ≤ 0.05) between mature and immature cultures for a given measure.
