Table 2.

Regions of FA that correlated negatively with sleep duration variability at wave 1, controlling for sleep duration at wave 1.

Region	x	y	z	Voxels
L Posterior limb internal capsule	−27	−26	17	3869a
L Retrolenticular part of the internal capsule	−30	−37	17	a
L Anterior thalamatic radiation	−25	−52	26	a
L Superior coronoa radiata	−27	−7	21	a
L Posterior corona radiata	−27	−24	19	a
L Cingulate gyrus	−16	−55	31	a
L Splenium of the corpus callosum	−16	−44	10	a
R Posterior limb internal capsule	25	−15	10	1476b
R Retrolenticular part of the internal capsule	32	−35	15	b
R Superior coronoa radiata	26	−19	28	b
R Posterior corona radiata	27	−40	24	b
R Splenium of the corpus callosum	14	−41	10	b
R Posterior thalamatic radiation	34	−59	16	295
L Superior longitudinal fasciculus	−54	−12	23	198
L Superior longitudinal fasciculus	−26	−21	44	157
R Corticospinal tract	19	−31	52	84
R Superior longitudinal fasciculus	32	−42	29	44
R Anterior limb of the internal capsule	12	−2	13	24

Note: x, y, and z refer to MNI coordinates; Voxels refers to the number of voxels in each significant cluster; L and R refer to left and right hemispheres. Regions that share the same superscript are part of the same cluster. All regions are significant at p < .05, corrected.