The experiments to be described in this paper were undertaken to find out how the immediate behavior of rats in an already known environment would be affected by generalized convulsions. Another objective was to see whether a difference in behavior could be demonstrated after convulsions which were induced by electroshock as compared with the reactions in the post-convulsive period following a convulsion produced by noise-fright* stimulation.

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General Theoretical SurveyThe history of medicine has always been intimately involved with the philosophic destiny of the ideas about the interrelations of mind and body. The interactions between the conceptual worlds of the medicine of the body and of the medicine of the mind are largely determined by the prevailing cultural preferences for the resolution of the mind-body complex.Thus, at the beginning of the nineteenth century the organization and use of medical knowledge were significantly conditioned by the existing conceptions of mind-body relationships as well as by the general cultural atmosphere in which the medical theory and practice were being developed. Moreover, although the medicine of the body had appreciably liberated itself from theological and moral restrictions in its freedom of investigation and speculation, the medicine of the mind was still considerably handicapped by being largely bound to religion and to philosophy.From philosophy psychological medicine of the early nineteenth century inherited a longstanding conception of the mind as an organization of faculties with a content of ideas related to each other by associations based on similarity, contiguity, or contrast.The mind-body problem, which is a projection of psychosomatic relations to the metaphysical plane, was formulated largely in terms of two philosophical premises, one of From the Department of Psychiatry, Yale University School of Medicine.Read at the 82nd meeting of the Beaumont Medical Club,