highly significantp < 0.0001
A two-way ANOVA with factors CT-DBS (pre, active, post) and hemisphere (left, right) showed greater spindle power in the left hemisphere [ F (1) = 6.483, p = 0.0177], as well as a highly significant main effect of CT-DBS condition [ F (2) = 20.411, p < 0.0001] ( Figure 4A , Table 1 ).