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- Publisher
- The American Physiological Society
- Copyright
- Copyright © 1951 the American Physiological Society
- ISSN
- 0022-3077
- eISSN
- 1522-1598
- Publisher site
- See Article on Publisher Site
Abstract
I. D, FOR Department University for DEERING, AND T. H. LING of Pennsylvania, Philadelphia, July 13, Pennsylvania (Received publication 1950) IN THEIR classic research on neck reflexes (1, 2), Magnus and de Kleijn limited the receptive field to the distribution of the first three cervical nerves. Whether the end organs concerned lie in the joints, in the muscles, or in both locations they left an open question. Neither in their work nor elsewhere in the literature have we found a single experiment designed to distinguish between these possibilities. In the present paper two types of experiment are presented which make such a discrimination. In the first, all the muscles innervated from the upper three cervical segments were either sectioned, or denervated, or both; in the second, joint innervation from the first three cervical nerves was cut with as little damage as possible to muscles and their nerves. RESULTS Of a series of eight acute experiments on cats with both labyrinths destroved immediatelv after decerebration, six animals developed responses FIG. 1. Acute head tions preparation with section of all muscles connecting and axis with atlas. Responses to rotation of neck. In all Figures, are diagrammatic. Outlines of posture are
Journal
Journal of Neurophysiology – The American Physiological Society
Published: May 1, 1951