The book Visions : a Study of False Sight (Pseudopia) was written by author Edward Hammond Clarke Here you can read free online of Visions : a Study of False Sight (Pseudopia) book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Visions : a Study of False Sight (Pseudopia) a good or bad book?
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The physostigma venenosum, a kidney -shaped bean from Calabar in Africa, which the natives of that region have long employed as an ordeal test for criminals, possesses the property of diminishing, and in sufficient doses of annihilating all reflex power, so that complete muscular flaccidity fol- lows its administration. At the same time sensi- bility persists, as long as it is possible to obtain any evidence of it. Motion is taken away, but sensation remains. The pain of heat and cold and injur...y is still reported to the ganglionic nerve centres, but their ability to remove the body from the offending spot, or to expel the offending cause, no longer exists. The drug acts on the nerve cells of motion, and leaves those of sensation unaffected. The central translation of sensation into motion is abolished — that link in the mech- anism is broken, — a demonstration, tliat the dif- ference between sensation and motion, which the mind accepts, is organically represented in the nervous apparatus.
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