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1 From the Department of Pharmacology of the University of Wisconsin, Madison
Evidence is presented to indicate the superiority of the monkey to other laboratory animals as a test object for the comparative study of addiction to the opium derivatives.
Satisfactory methods of housing, care, and handling for a study of this type are described, and a description of the behavior during addiction and withdrawal is presented. The signs of abstinence are classified according to their order of appearance and relative severity and are compared with the signs and symptoms which occur in the human addict.
Behavior, which we interpret to be the establishment of a positive desire for the drug during abstinence, is described and the factors favoring the formation of such a response in this animal are discussed.
It is believed that the rapid method of addiction with the monkey as a test object, in which the largest doses to be given are attained in a period of two or three weeks, is satisfactory for the determination of the relative addiction potentialities of a series of different opium derivatives, although it does not give quite so clear a differentiation as that following a more prolonged period of poisoning, such as occurs in the human addict.
Submitted on October 17, 1935
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