Internal signals initiate and terminate eating {hunger}|. Vagus-nerve stop-eating signals come from stomach and gut upper part, as they distend. Hunger not involving vagus nerve detects nutrient amounts. Insulin injections cause hunger. Norepinephrine injection into brain ventricles can increase eating. Brain electric stimulation can increase eating. Lateral-hypothalamus lesions cause starvation.
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Date Modified: 2022.0224