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Figure 7


Fig. 7. A subtraction of a diazepam scan from a non-diazepam scan of dolphin WEN registered to twelve 3.0 T MRI sections of dolphin MAY. From left to right: coronal (A-C), axial (E-G), left sagittal (I-K) and right sagittal (M-O). Lines on scan sections (D,H,L,P) at the bottom of each column indicate the plane of sections from the three scans in the same column above. The color indicates the relative degree of metabolic reduction in the diazepam scan with red indicating maximum reductions in glucose consumption. In this series there is an overall reduction in metabolism in the right brain hemisphere; however, there are some areas of lower metabolism in the left hemisphere, especially in frontal areas.





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