EFFECTS ON RESPIRATION, BLOOD PRESSURE AND GASTRIC MOTILITY OF STIMULATION OF ORBITAL SURFACE OF FRONTAL LOBE

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Abstract
From the orbital surface of the frontal lobe in both cats and monkeys an area in the gyrus orbitalis near the olfactory tract gave rise upon stimuli of 1-6 V to inhibition of respiration, rise of blood pressure and decrease of tonus in the gastric musculature. The respiratory effect was obtained nearly always in the cat and always in the monkey; the elevations of arterial pressure were higher and more consistently present in the monkey; the inhibition of tonus in the gastric musculature occurred only infrequently in the cat, but in the great majority of instances in the monkey.