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STUDIES ON THE AUTONOMIC REPRESENTATON IN THE CEREBRAL CORTEX 1. ON THE PUPPLLARY FUNCTION EVOKABLE THROUGH STIMULATION OF THE PYRIFORME REGION AND ITS CIRCUMFERENCE
Author(s) -
Qkinaka Shigeo,
Nakao Kiku,
Nakamura Haruomi,
Ikeda Masao,
Tsubaki Tadao,
Kuroiwa Yoshigoro,
Toyokura Yasuo
Publication year - 1953
Publication title -
psychiatry and clinical neurosciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.609
H-Index - 74
eISSN - 1440-1819
pISSN - 1323-1316
DOI - 10.1111/j.1440-1819.1953.tb00602.x
Subject(s) - mydriasis , anatomy , gyrus , frontal lobe , medicine , stimulation , pupil , oculomotor nerve , trunk , neuroscience , psychology , ophthalmology , biology , ecology
Summary 1. The stimulation of the inferior portion of the gyrus sigmoi‐deus anterior in the frontal lobe on dog causes without exception marked dilatation of the pupil on both sides. The inferior portion of the gyrus is situated in the rostral side of the fissura cruciata and knowingly corresponds to the frontal eye‐field (Area 8) of man and monkey. It has been confirmed heremith that the impulse to this mydriasis reaction shall pass mediated by the oculomotor nerve and the cervical sympathetic trunk upon the pupils 2. The dilatatory reaction of the pupils is evoked from the pyriform region and its circumference in the orbital surface of the frontal lobe, corresponding to the area 13 in man. The impulse of this reaction is transmitted through both oculomotor and cervical sympathetic nerves to the pupils.