Table 1.

P300 latencies on Pz derivation in old (Ag) and young (Y) groups, in aisle (A), living room (L) and bedroom (B) virtual environment (VE)

VE stimulus	Mean (ms)	SD
AG
A
White	430.04	30.32
Red	411.46	33.52
Green	382.81	30.32
L
White	391.02	31.80
Red	424.22	31.80
Green	391.02	31.80
B
White	356.58	38.01
Red	413.09	35.55
Green	362.85	33.52
Y
A
White	409.83	29.03
Red	366.86	29.03
Green	400.72	29.03
L
White	393.23	29.03
Red	396.48	29.03
Green	402.70	30.32
B
White	360.03	29.03
Red	381.51	29.03
Green	351.56	33.52

ANOVA test: group F 0.56 (DF 1) n.s.; VE (DF 2) F 0.65 n.s.; stimuli (DF 2) F 0.58, n.s.; group × stimuli (DF 2) F: 0.67 n.s.; group × VE (DF 2) F 0.06 n.s.; group × stimulus × VE (DF 4) F 0.52 n.s