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September 1928

EFFECT OF AGE ON VIBRATORY SENSIBILITY

Author Affiliations

Commonwealth Fellow in Neuropsychiatry, Graduate School of Medicine, University of Pennsylvania PHILADELPHIA

From the Graduate School of Medicine, University of Pennsylvania, and the Philadelphia General Hospital and the Infirmary for Nervous Diseases.

Arch NeurPsych. 1928;20(3):482-496. doi:10.1001/archneurpsyc.1928.02210150042003
Abstract

CONTENTS  Review of the LiteratureAuthor's ExperimentsVarieties of Patients StudiedTechnic of ExaminationResultsTransmission of Vibratory Sensibility and Cause of Its LossNature and Path of Transmission of Vibratory SensibilityLocation of the Pathologic LesionVascular Supply of the Spinal CordSpinal Arteriosclerosis the Probable Cause of Vibratory Loss Summary and ConclusionsThe results of this study—diminution or loss of the sensation in the lower extremities of a large percentage of persons in the involutional period of life—are deemed worthy of record, because it is during this period that changes in vibratory sensibility assume considerable importance for diagnosis; if such an alteration is found in normal persons, it indicates the need for wariness in arriving at a diagnosis based on alterations in this form of sensation.

REVIEW OF THE LITERATURE  In a review of the literature, no study of a large number of persons from this standpoint was

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