Measurement of cerebral blood flow and metabolism in man.

The brain has a high blood now to meet its high obligatory requirement for glucose as a metabolic fuel. Indeed, glucose requirement and blood flow are directly coupled so that the increased metabolic rate during enhanced functional activity of a particular cortical area is associated with increased blood flow. Here a brief review will be given of the most important methods that can be used for the study of cerebral blood flow in human subjects.

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