. A system of psychology. ed factors, first, one uniting withthe presented content, and then the other takingits place. The exact moment of the transformationmay be determined by such factors as shift of eyein any direction, provided the shift has becomeassociated with that particular change. Figures 14 and 15 show a sort of fluctuation akinto that of the reversible perspective figures. Afterlooking carefully at a and h (of either figure), calone will probably be seen alternately with theaspect of a and &. Fluctuations of perception based on ambiguousimpressions of senses other than visual mig


. A system of psychology. ed factors, first, one uniting withthe presented content, and then the other takingits place. The exact moment of the transformationmay be determined by such factors as shift of eyein any direction, provided the shift has becomeassociated with that particular change. Figures 14 and 15 show a sort of fluctuation akinto that of the reversible perspective figures. Afterlooking carefully at a and h (of either figure), calone will probably be seen alternately with theaspect of a and &. Fluctuations of perception based on ambiguousimpressions of senses other than visual might beproduced. These ambiguous impressions are, how-ever, not so simply obtainable in the other sense-realms. One experiment may be made in the fol-lowing way: Obtain a revolver with round barreland a bottle having a neck of the same diameter 322 A SYSTEM OF PSYCHOLOGY and thickness as the muzzle of the revolver. Pressthe muzzle of the revolver and the mouth of thebottle alternately on the temple of the subject (first. Fig. 14.


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Keywords: ., bookcentury1900, bookdecade1, booksubjectpsychology, bookyear1912