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June 27, 1925


JAMA. 1925;84(26):2017-2018. doi:10.1001/jama.1925.02660520045027

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Congress of the German Society of Internal Medicine 

PHYSIOLOGIC TESTS OF SENSIBILITY  The congress of the Deutsche Gesellschaft für innere Medizin was held in Wiesbaden, April 20-23. Professor von Frey of Würzburg presented the first paper, on sensation. While vision, hearing, odor and taste have long been thoroughly studied, we know less of the other senses. Since the researches of E. H. Weber, the specificity of various kinds of perception in relation to their organs has been assumed. Thus, we recognize the sense of warmth, the sense of cold and the sense of pressure, and also a sense of power or of weight inherent in the muscles is made probable. There may be other manifestations of the skin sense. In testing sensibility by irritation of minute areas, diverse kinds of perception may be localized. On the surface of the human body, 3,500,000 pain points, 500,000 pressure points, 250,000 points especially

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