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December 1932

ENCEPHALOGRAPHYANATOMIC AND CLINICAL CORRELATIONS

Author Affiliations

PORTLAND, ORE.; DENVER

From the University of Colorado Psychopathic Hospital.

Arch NeurPsych. 1932;28(6):1326-1337. doi:10.1001/archneurpsyc.1932.02240060085004
Abstract

The development of encephalography has provided a new method of precision for the examination of organic diseases of the brain. During the past three years we have used this procedure in five hundred and three cases and have found it of great value in the interpretation of symptoms and prognosis. This procedure, while not devoid of dangers, if carefully used gives information concerning the nature and extent of cerebral pathologic conditions which offsets the hazards involved.

The interpretation of the roentgen shadows in the encephalogram is dependent on the physical relations existing in the skull. Collections of air replacing fluid-filled areas result in the facilitation of the passage of the x-rays. In the normal encephalogram one finds a constant general pattern of cerebral topography. This is subject to alteration by various pathologic processes especially common in dementia paralytica, as shown by inflammatory arachnoiditis and atrophic changes.

In the normal brain

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