(a) Baseline motion and motion during shock of WT, apoE2, apoE3, and apoE4 mice. (b) Measures of anxiety of apoE2, apoE3, and apoE4 mice in the open-field test. (c) Distance moved in the open field and light-dark tests. (d) Measures of anxiety of apoE3, apoE3, and apoE4 mice in the light-dark test. ***p < 0.0001 versus any other genotype; *p < 0.05 versus apoE4; †
P = 0.061.