failed to reach significancep = 0.22
Correlations between the M TR GEV increase in N2 sleep and task improvement failed to reach significance (r 12 = −0.36, p = 0.22; r 12 = −0.50, p = 0.08; r 12 = −0.47, p = 0.10; for time, distance traveled, and backtracking respectively).