marginally significantp = 0.06
A 3 (Group: 3 mo, 15 mo, 22 mo) × Time Period (CS, ITI, Post-CS) ANOVA conducted to assess responding during this session found a main effect of time period, F (2, 34) = 6.46, MSE = 1067.50, p = 0.004, η p 2 = 0.28, a marginally significant interaction, F (3, 34) = 2.57, MSE = 1067.50, p = 0.06, η p 2 = 0.23, and no effect of group, F = 1.86, p = 0.19, despite a clear visual trend showing decreased freezing in middle-aged and old animals.