A STUDY OF THE CARDIOVASCULAR CHANGES INDUCED BY STIMULATION OF THE MOTOR CORTEX IN DOGS

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Abstract
The purpose was to determine whether pressor or depressor cardiovascular effects follow motor cortex stimulation under chloralose stimulation. The results support the concept of cortical autonomic representation in the motor area. There is a depressor effect shown by a fall in blood pressure; increase in heart-rate, decreased amplitude and increased rate of respiration, and increase of renal volume. Vasodilatation of visceral organs is probably the major cause of the depressor effect.

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