Date of Award

Fall 1983

Document Type

Dissertation - Restricted

Degree Name

Doctor of Philosophy (PhD)



First Advisor

Tagetz, Gle

Second Advisor

Dupuis, A.

Third Advisor

Bardwell, Rebecca


The possibility of unconscious behavioral determinants has been greeted traditionally by the scientific community with waves of skepticism and an occasional flurry of overt hostility. Nevertheless, as early as the fourth century s.c., philosophers presumed that man could be influenced by experiences of which he was unaware (Dixon, 1981). The phenomenon of stimuli presented below an individual's threshold of awareness has bean studied with increasing rigor and precision during the twentieth century. The scientific literature is replete with accounts of pictorial, figural and semantic stimuli presented at sensory levels below reported awareness which influenced the subjects' subsequent behavior. The "subliminal effect" has been studied mast recently as a perceptual puzzle whose resolution is physiological in nature. This study shall serve to extend the field of inquiry relative ta subliminal perception, utilizing cerebral hemisphericity as the operational investigative paradigm...



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