FIG 1. ROIs used in data analysis are superimposed on axial ADC_av maps. 1 indicates the parietal gray matter; 2, parietal white matter; 3, frontal horn of lateral ventricle; 4, middle part of lateral ventricle; 5, posterior horn of lateral ventricle; 6, frontal gray matter; 7, frontal white matter; 8, caudate nucleus; 9, putamen; 10, internal capsule; 11, thalamus; 12, occipital white matter; 13, occipital gray matter; 14, temporal gray matter; 15, temporal white matter; 16, pons; 17, cerebellar white matter; and 18, cerebellar gray matter.