date:Jan 11, 2013
se reduced cerebral blood flow in the thalamus, insula, anterior cingulate, and striatum -- regions that act in concert to 'read' the metabolic state of an individual and drive motivation and reward -- compared with baseline.
In contrast, fructose reduced blood flow in the hippocampus, posterior cingulate cortex, fusiform, and visual cortex -- but also in the thalamus.
In terms of connectivity between brain regions, glucose upped the links between the hypothalamus and the thalamus and striatum