Abstract
The present study explored differences in behavior and reflexes following instructions to age regress to infancy or to portray infancy while high hypnotizable Ss were in an actor's role. Additional role enactment controls were provided by professional actors and low hypnotizahle Ss. High hypnotizable Ss while hypnotized reproduced realistic newborn reactions, both behavior and reflexes, which were strikingly like newborn infants during actual age regression, but were unable to produce as many during role enactment. Similarly, the low hypnotizable Ss and professional actors were unconvincing. Negating the theory of age ablation, results are discussed in the light of reactivation of lost memories through the breaking of amnesic barriers during hypnotic age regression.