CEREBRAL METABOLISM AND ELECTRICAL ACTIVITY DURING INSULIN HYPOGLYCEMIA IN MAN

Abstract
Simultaneous observations were made of the electroencephalographic changes and oxygen utilization of the brain and of blood sugar levels of patients with schizophrenia receiving the insulin treatment. The O uptake was a better indicator of cerebral metabolism than was the blood sugar. A direct relationship was disclosed between the frequency of the a waves and the cerebral O consumption, both declining during hypoglycemia and increasing after the adm. of carbohydrate. The [delta] index displayed an inverse relationship for it was augmented during the period of diminished O utilization of the brain.

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