Table 2.

Effect of age on variance (standard deviation).

Behavioral measure	6 months	24 months	Fmax	P
Elevated Path
Latency (s)	6.42	9.28	2.09	<0.01
Morris maze
LI-total (cm)	85.26	95.85	1.48	<0.01
LI-acquisition (cm)	109.90	119.19	1.24	n.s.
LI-reversal (cm)	103.48	130.00	1.99	<0.01
Minimum path (cm)	100.08	126.66	1.87	<0.01
Retention (cm)	98.69	123.21	1.78	<0.01
% time in 20-cm annulus	6.94	6.83	1.03	n.s.

n.s. Not statistically significant, P>0.05.