Figure 2.
Effects of (A–D) progesterone (PROG), (E–H) 5α-dihydroprogesterone (DHP) and (I–L) allopregnanolone (AP) on behavioral phenotypes related to Tourette syndrome. Data are shown as means ± SEM. *P < 0.05, **P < 0.01 and ***P < 0.001 for comparisons indicated by dashed lines. Main effects for genotype are indicated as comparisons between brackets. Doses are indicated in mg/kg (IP). N = 8–13/group. VEH, vehicle; WT, wild-type; PPI, prepulse inhibition of the startle. For further details, see text.