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Article
January 1960

Obnubilations comas et stupeurs: Etudes electroencéphalographiques.

AMA Arch Neurol. 1960;2(1):113-114. doi:10.1001/archneur.1960.03840070115017

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Abstract

This monograph reports the study of 155 patients (less 10 epileptic comas) on whom 379 electroencephalograms were made during the period 1955-1958. The presentation is fragmentary because the patients studied had neurosurgical disorders only—trauma, hematoma, or tumor. Reference to published studies on comas of other causes is made. After discussing the patterns of comatose states in general, the authors describe the patterns of four "stages of coma": (1) cloudy state, (2) "coma proper," (3) the stage of insensibility (carus), and (4) acute cardiorespiratory failure, and brain death. The fifth chapter discusses the same stages from the point of view of their evolution, whether acute or chronic, the evolution of the patterns being different. Prolonged cloudy state, postcoma hypertonic stupor, mutism, and psychomotor regression in childhood are described.

Of interest is the authors' claim that coma patterns are not mere extensions of drowsy and sleep patterns but are of a different

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