Élie de Cyon

Élie de Cyon , is the French name of Ila Faadevitch Tsion , which was a physiologist Russian, born in 1842 and deceased in 1912. It nacquit with Telsch, in the governorship of Kaunas in Lithuania, then Russian province. He studied medicine with Warsaw, Kiev and Berlin where he met Carl Ludwig. It is with the latter that it described the depressive action of the vagus on the cardiac muscle, and connects it vagus innervant the Cœur is still known today under the name of “ nerve of Ludwig-Cyon ”.
Among its other work of human physiology one can quote the discovery of the function vasomotrice of the splanchnic nerve, function of synthesis of certain lipids by the Foie, of the existence of the nervous terminations of the Péritoine and its studies on the propagation velocity of the nerve impulse in the cords of the Spinal-cord.
It succeeded Setchenov with the Pulpit of Physiology of Saint-Petersbourg and was the Master of Pavlov on which it exerted deep a influence.
It was annobli and made advise state by the tsar Alexandre II, but had to give up teaching following a conflict with the nihilist student , then majority in Saint-Petersbourg.
After this episode, it came to be installed in France on an invitation of Claude Bernard and became journalist there (occupying briefly the position of director of the daily newspaper the Gallic in 1881), editor then Minister for Finance. He professed ideas savagely antigermanic and returned never again in Russie.
One him must have still been the precursor of the three-dimensional video game theory, in 1901.

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