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March 1921


Author Affiliations

(Tor.) Associate Physician, Neurological Institute; Senior Resident Physician, Neurological Institute NEW YORK

Arch NeurPsych. 1921;5(3):296-304. doi:10.1001/archneurpsyc.1921.02180270072004

This paper is based on the seizures that occurred in a series of forty-five cases of subtentorial brain tumor, in which the patients were operated on at the Neurological Institute during the past few years. Twenty-three were cases of cerebellar tumor, six were cases of tumor of the pons and midbrain, and sixteen were cases of the cerebellopontile angle.

EXPERIMENTATION AND CEREBELLAR EXCITABILITY  Since the well-known experiments of Flourens with pigeons nearly a century ago, it has frequently been demonstrated that ablation of parts of the cerebellum may be followed by peculiar forced movements of the limbs and body. A dog with half of the cerebellum removed may circle about toward the side of the lesion. Monkeys with the inferior cerebellar peduncles divided, thrust their body and limbs about in an odd manner and assume various rigid and sustained attitudes.The electrical excitability of the cerebellum is a matter for

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