Experimental Physiology
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Quarterly Journal of Experimental Physiology 19.4 pp 381-385
© The Physiological Society 1929
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SPINAL EXCITABILITY IN EMOTIONAL STATE

I. Marcu 1

1 Physiology Laboratory, Oxford

It is shown by experiments carried out on decerebrate cats that:

1. Blood-pressure rise caused by peripheral or central splanchnic stimulation increases spinal excitability by favouring the blood-supply to the spinal cord.

2. Besides this hæmodynamic action there is a specific action of the afferent splanchnic nerve-fibres on the excitability of the cord.

3. A viscero-motor reflex contraction of a flexor muscle of the hind-limb is evoked by stimulation of the central end of the splanchnic nerve.

4. Correlation with emotional state of pain is discussed.

I wish to express my gratitude to Sir Charles Sherrington for assistance in the preparation of this paper.

Submitted on May 24, 1929






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Copyright © 1929 by the The Physiological Society.