Despite warnings, false memories occur.

Some people who undergo hypnosis may be influenced to develop false memories, even when they are warned in advance about the possibility of creating fictional past events. In a study at Ohio State University's Lima campus, 28% of subjects who underwent hypnosis were induced by a researcher to develop false memories about recent incidents in their lives. This occurred even though they were warned that "hypnotized participants may confuse what they imagine with what really occurred." Moreover, 44% of participants who were not warned about possible pseudomemories were induced to develop a false memory.

The results suggest that many people have unrealistic and distorted views of the power of hypnosis, indicates professor of...