Examined relationships of nightmare frequency to hypnotic ability, vividness of visual imagery, and the tendency to become absorbed in fantasy-like experiences. Use of Mark's Vividness of Visual Imagery Questionnaire, and Rotenberg and Bowers' Absorption scale showed individuals with frequent nightmares to score higher on hypnotizability,…

This paper discusses work on hypnotic amnesia as a paradigm of laboratory induced state-specific memory. Earlier research on sleep-specific learning and learning in varied states of consciousness is reviewed. Posthypnotic amnesia is viewed as an effective method of studying state-specific recall of episodic experiences. It is noted that highly…