Table 6.

Significant activation clusters for the interaction contrast modulated by the stage 2 spindle density

Region of activationCluster extent (voxels)Maximum z valuep valuePeak Montreal Neurological Institute coordinate
SR(recent > remote) > NS(recent > remote) * Spindle density
    Hippocampus (R)963.19<0.00134 −26 −10
    Ventricle/hippocampus (L)1704.37<0.001−26 −42 4
    Frontal inferior operculum (L)794.05<0.001−50 12 10
NS(recent > remote) > SR(recent > remote) * Spindle density
    Cingulate (L)484.07<0.001−18 −8 42
    Cingulate (R)543.240.00114 12 28
    Cerebellum (L)593.55<0.001−24 −42 −36
    Precentral gyrus (R)633.44<0.00110 −34 66
    Middle temporal gyrus (L)833.070.00144 −62 12
  • Voxelwise threshold of p = 0.005 and extent threshold of k > 48 voxels, which corresponds with an overall false-positive rate of <5%, corrected for multiple comparisons (Slotnick et al., 2003). L, Left; R, right.