In this short monograph, an attempt is made to offer a guide for more exact differentiation of the many pathologic processes which produce the more or less uniform picture of acute involvement of the brain, primarily affecting the pallium. Emphasis is placed on the determination of the nature of the disease process rather than on its localization.
Of the infectious conditions, Heine-Medin disease, epidemic encephalitis, influenzal encephalitis, together with nonspecific meningo-encephalitis, secondary hemorrhagic encephalitis, meningitis serosa, and purulent and tuberculous meningitis receive the most attention. Syphilis of the brain is included in so far as it may be acute or related to other acute conditions; the differentiation of one type from another is based largely on spinal fluid observations. In considering brain trauma, the author gives much space to the delayed episodes; late bleeding or edema, posttraumatic epilepsy, neuroses, psychoses and disturbances of behavior. The acute vascular accidents, cerebral hemorrhage