Table 2. Paired pulse ratios for glutamate component.
Ca++ (0.1 mM) | Ca++(2.0 mM) | Ca++ (4.0 mM) | ||||||||||
10 Hz | 20 Hz | 50 Hz | 100 Hz | 10 Hz | 20 Hz | 50 Hz | 100 Hz | 10 Hz | 20 Hz | 50 Hz | 100 Hz | |
P1–2 (6) | 1.0±0.1 | 1.2±0.1 | 1.5±0.4 | 0.7±0.1 | 0.8±0.1 | 0.8±0.1 | 0.7±0.1 | 0.3±0.1 | 0.8±0.1 | 0.7±0.1 | 0.5±0.1 | 0.3±0.1 |
P3–5 (7) | 1.1±0.2 | 1.4±0.2 | 1.6±0.3 | 1.2±0.2 | 1.0±0.1 | 1.0±0.1 | 0.1±0.1 | 0.5±0.1 | 0.9±0.1 | 1.0±0.1 | 0.7±0.1 | 0.4±0.1 |
P7–8 (5) | 1.4±0.4 | 1.1±0.2 | 1.2±0.2 | 1.2±0.2 | 0.7±0.1 | 0.8±0.1 | 0.7±0.1 | 0.4±0.2 | 0.7±0.1 | 0.6±0.1 | 0.6±0.1 | 0.3±0.1 |
P9–10 (6) | 1.0±0.1 | 0.9±0.1 | 1.2±0.2 | 0.9±0.1 | 0.8±0.1 | 0.8±0.1 | 0.8±0.1 | 0.6±0.1 | 0.8±0.1 | 0.8±0.04 | 0.8±0.1 | 0.5±0.1 |
Paired pulse ratios for the glutamate component for different external Ca++ concentrations, stimulation frequencies, and postnatal age. Non-parametric 1-way ANOVA (Kruskal-Wallis test) across age revealed no significant differences. The N of each age group is in parentheses.