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Mean ± SE standardized differences in CBF for each lateralized and midline ROI and parcellated precuneus for each task pairs: Top: Task − Rest 1; middle: Task − Rest 2; and bottom: Rest 2 − Rest 1. The sagittal images are CBF differences averaged across the 14 subjects. Magenta, medial frontal cortex; red, anterior precuneus; orange, middle precuneus; yellow, posterior–inferior precuneus; green, posterior cingulate; blue, calcarine cortex.
