Table 3.
Reproducibility of cerebral evoked potentials from rats
Latency |
Amplitude |
Frequency Distribution |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
P1 | N1 | P2 | P1 | P1–N1 | N1–P2 | Delta | Theta | Alpha | Beta | Gamma | |
Within-day reproducibility | |||||||||||
Day 1 | 0.98 | 0.91 | 0.67 | 0.91 | 0.99 | 0.99 | 0.96 | 0.86 | 0.90 | 0.59 | 0.53 |
Day 2 | 0.98 | 0.82 | 0.93 | 0.51 | 0.99 | 0.98 | 0.96 | 0.95 | 0.85 | 0.96 | 0.86 |
Between-day reproducibility | |||||||||||
Stimulation period 1 | 0.61 | 0.69 | 0.42 | 0.66 | 0.98 | 0.98 | 0.39 | 0.50 | 0.78 | 0.74 | 0.60 |
Stimulation period 2 | 0.57 | 0.51 | 0.50 | 0.67 | 0.93 | 0.90 | 0.39 | 0.40 | 0.46 | 0.42 | 0.56 |
N =12 rats. The reproducibility is evaluated by intraclass correlation coefficients within and between days. Values above 0.6 indicate acceptable level of reproducibility.