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This monograph gives an excellent resume of the various symptom groups due to disease of the extrapyramidal motor system or systems with some interesting and instructive personal cases. After a brief historical introduction, Wilson's disease and pseudosclerosis are described and compared, the conclusion being that they are essentially the same disease. Then paralysis agitans in its different types and variations is considered, and while the author believes that the anatomic basis of this disease has not been determined, he believes that there is such a basis and that the disease is closely related to Wilson's disease and pseudosclerosis.
The author then takes up in turn the "akinetic-hypertonic" syndrome, double athetosis, torsion spasm (dystonia musculorum deformans), the spasticathetotic syndrome, the choreic syndrome and myoclonus.
Part 2 covers the application of the knowledge gained by a study of these different extrapyramidal motor disorders to neurologic diagnosis. That is, he shows how a