Table 2.

AHP amplitudes compared by MC firing frequency and animal age.

Frequency	1 spike	10 Hz	20 Hz	40 Hz	80 Hz	Friedman between frequencies
P15 amplitude (mV)	−4.7 ± 0.5	−5.2 ± 0.5	−6.4 ± 0.7	−6.8 ± 0.6	−6.8 ± 0.5	0.04
P38 amplitude (mV)	−7.1 ± 0.4	−6.6 ± 0.4	−6.4 ± 0.4	−6.5 ± 0.4	−6.4 ± 0.3	0.6
P15 P-value to previous frequency		0.03	0.005	0.29	0.89
P38 P-value to previous frequency		<0.001	0.015	0.61	0.53
P-value (P15 vs. P38)	<0.001	0.05	0.98	0.65	0.54

Bold indicates statistically significant difference.