The American Practitioner Volume 7-8

The American Practitioner Volume 7-8

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1889 edition. Excerpt: ...organs. Romberg defined it as "a reflex neurosis caused by genital irritation." More recent writers have made use of such vague and meaningless expressions as "a peculiar constitution of the nerve elements," "a state of general hyperesthesia of the nervous system, '7 "an exalted excitability of the sensory portions of the brain and cord," etc. These are merely masks to hide ignorance. In it possible at this stage of science to Read at the Mav meeting of the Kentucky State Medical Society, Richmond, 1889. formulate a hypothesis which shall be in consonance with the physiology of the nervous system and the morbid phenomena of hysteria, and which shall be sufficiently definite to have a clear bearing upon the treatment? I shall make the attempt to formulate such an hypothesis, leaving you to judge of my success. The action of the nerve-cell was first compared to that of a Leyden jar by Schroeder van der Kolk. When the jar is surcharged with electricity it discharges itself automatically; so, he said, when the tension of nerve force in a nerve cell rises beyond a certain point, an analogous automatic discharge occurs, causing muscular contraction, or sensations, or mental phenomena, according to the character of the cell discharging. The nerve cell may also be compared to a safetyvalve which allows the steam to escape when the pressure rises too high. There are many things which render this theory highly probable. When a muscle is firmly contracted it is not thrown into an absolute tonic spasm, but contracts and relaxes slightly at the rate of twenty vibrations per second. This looks as if it received stimuli from a number of nerve cells alternately filling up and overflowing with nerve force. There is more

Product details

  • Paperback | 618 pages
  • 189 x 246 x 32mm | 1,089g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236535472
  • 9781236535474