... hypothesis that the wall of the third ventricle in the hypothalamus was physiologically divided into three zones medio-laterally, namely, a- parasympathetic, b-sympathetic and c-parasympathetic ... b-sympathetic zones; and he also demonstrated our a- parasympathetic, b-sympathetic and c-parasympathetic zones in the hypothalamus of patients by electrical stimulation before his hypothalamotomy. ... ventromedial hypothalamic stimulation, and then they gradually enlarged after the stimulation; whereas during the lateral hypothalamic stimulation they enlarged with dilated intracapsular spaces, and...