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August 1928


Author Affiliations

Emeritus Professor of Neurology in the Medical School of the University of Pennsylvania PHILADELPHIA

Arch NeurPsych. 1928;20(2):235-243. doi:10.1001/archneurpsyc.1928.02210140003001

One of my earliest clinicopathologic publications was an article concerning a large hemorrhage into the thalamus in which, besides giving the symptomatology of the disease, I also recorded the macroscopic observations found at necropsy. A well marked tract of degeneration extended from the thalamus to the inferior olive.1

Tilney2 and others have shown the connections between the inferior olive and the cerebellum.

The parietal lobe is of importance in any consideration of the symptomatology of the cerebellum, as one of the mistakes occasionally made is that of confusing conditions of this lobe with disease of the cerebellum.

By a neurophysiologist as able as Lewandowsky,3 the cerebellum has been described as an organ of muscular sensibility. The reason for this and similar mistakes is not hard to see. Loss of muscular sense from disease of the parietal lobe or of the thalamus or from the sensory tracts coming