A discussion almost turbulent in its tenseness was evoked last June at the meeting of the American Neurological Association concerning a case demonstrated by Patterson Ross from Cushing's service as an example of astereognosis of cerebellar origin. It was plain from the trend of remarks made on that occasion that clarity of outline has not yet been achieved in this minor subject.
It might be well to review—albeit from memory—the case in question, from which a general discussion of the subject may be developed.
A middle-aged man presented ingravescent signs of increase in general intracranial tension. He had headache, vomiting and bilateral papilledema. He was unable by feeling to name or recognize objects placed in his left hand, the movements of which were at the same time somewhat unsteady.
Because of these signs, it was thought that the right postrolandic area was the seat of the tumor. This zone was
Kennedy F. ASTEREOGNOSIS. Arch NeurPsych. 1924;12(3):305–307. doi:10.1001/archneurpsyc.1924.02200030058006
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