Table 2.

Active and Passive Electrophysiological Properties of Pyramidal Neurons in mPFC of Young and Aged Rat

Passive Properties	Young (n=15,26)	Aged (n=12,25)	t(49)	p
Capacitance	125.98 ± 11.14	119.13 ± 9.23	0.47	0.64
Input Resistance	56.23 ± 9.06	48.03 ± 6.03	0.75	0.46a
Active Properties	Young (n=12,20)	Aged (n=12,24)	t(42)	p
dVmax	250.52 ± 15.51	267.52 ± 8.63	−0.96	0.35a
dVmin	−64.33 ± 3.06	−72.44 ± 2.33	2.14	0.04*
dVdV deltaT	0.82 ± 0.06	0.69 ± 0.04	1.91	0.06
max Freq	14.91 ± 2.67	16.36 ± 1.90	−0.45	0.65

Numbers of observations are (rats, cells). Data are mean ± standard error.

^*p<0.05.

^aWelch’s correction applied.