Table 2.

Differences between heavier and lighter than predicted (interaction term)

Anatomical region	Talairach coordinates			Peak Z score		Cluster size	p valuea
	x	y	z
(Change to heavier − No change heavy) − (Change to lighter − No change light)
Left central sulcus (M1/S1)	−45	−18	51	4.78b		222	<0.001
Left precentral gyrus (M1)	−27	−24	63	4.55b
Left postcentral gyrus (S1)	−24	−33	66	4.10c
(Change to lighter − No change light) − (Change to heavier − No change heavy)
Right lateral cerebellum (lobule VI/Crus I)	15	−78	−27	4.09		46	0.038

^a p values are given at the cluster level after correction for multiple comparisons in the entire brain space.

^b p < 0.01 corrected based on small volume correction based on sphere around peak voxel taken from Schmitz et al. (2005).

^c Secondary peak corresponding to p < 0.001 uncorrected.