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I ASSUME that the members of this Association are familiar with the traditional theories of the mechanism of hallucinations.I shall, therefore, not refer to them beyond remarking that they may be all classed under one or the other of two groups, viz. the anatomico-physiological thcorics and the psychological theories; and that all arc inadequate and unsatisfactory.It remains therefore to attack the problem anew and, if possible, by experimental methods.We have open to us several methods of attack :
Morton Prince (Sat,) studied this question.