FIG 1. T1-weighted MR slices (350/15/7 [TR/TE/excitations]) used for definition of regions of interest.

A, F2, upper frontal lobes; F1, lower frontal lobes.

B, F4, upper frontal lobes; F3, lower frontal lobes; T1, temporal lobe.

C, F5, posterior parts of frontal lobe; B-G, basal ganglia; T2, middle part of temporal lobe.

D, P, parietal lobe; Tha, thalamus; T3, posterior part of temporal lobe.

E, P-O, parieto-occipital lobe; Ce, cerebellum.

F, Midline sagittal cross-sectional area of cranial cavity.