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Dana’s ataxiagraph

Dana’s ataxiagraph, which was similar to the graphical recording apparatus employed earlier by Hinsdale. Sway was recorded by a stylus attached to the head which swayed underneath a piece of smoked paper. (Dana CL. Diagnosis and methods of examination. In: Dana CL, editor. Text-Book of Nervous Diseases: Being a Compendium for the Use of Students and Practitioners of Medicine. 5th ed. New York: William Wood and Co, 1901:39-59.)

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  • Parkinsonism
  • Psychogenic movement disorders
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