“You are getting sleepy… You are getting sleepy… You are getting sleepy.” The image of the man dangling the watch back and forth before the patient’s eyes is ingrained into our brains as the primary mode of hypnotizing someone. Once a person “goes under,” the hypnotist can get the unconscious to say or do just about anything on command. While hypnosis is accepted in the entertainment industry, the scientific community generally snubs such practices. Yet recent therapeutic trends suggest that the power of the mind cannot be discounted.
In 2000, Harvard researchers sought an answer to the question: Does being hypnotized change the brain? In their study, they asked a group of men to hold a brick out in front of them as long as they could, which was five minutes for most fully conscious subjects. However, under hypnotic suggestion, they held the brick out for fifteen to twenty minutes. Next, subjects were hypnotized and placed in an MRI scanner. A computer screen showed them patterns of yellow, red, blue and green rectangles and recorded their brain activity.
Then they were shown the same rectangles in shades of gray and were asked to imagine the colors. When they were not hypnotized, both activities showed brain activity on the right side only, but when they were hypnotized both the left and the right hemispheres responded. “What we have shown for the first time,” lead researcher Stephen Kosslyn concluded, “is that hypnosis changes conscious experience in a way not possible when we are not under hypnosis.”
In another study conducted in 2004, researchers at the University of Iowa, the Roy J. and Lucille A. Carver College of Medicine and Technical University of Aachen, Germany, measured blood flow in the brain under clinical hypnosis. They asked participants to touch a hot surface and report pain on a scale from 0-10. Next, under hypnotic suggestion, all subjects reported reduced pain (3/10) at previously 8/10 temperature levels. Additionally, assistant professor Sebastian Schulz-Stubner M.D. reported, “The major finding from our study, which used MRI for the first time to investigate brain activity under hypnosis for pain suppression, is that we see reduced activity in areas of the pain network and increased activity in other areas of the brain under hypnosis.”
Another use for clinical hypnosis is smoking cessation. In 2007, North Shore Medical Center and Massachusetts General Hospital ran a study regarding the effectiveness of stop smoking hypnotherapy, versus those who quit cold turkey, those who received nicotine replacement therapy or those who received nicotine replacement therapy and hypnotherapy combined. Just over six months later, researchers found that 50% of those treated with hypnotherapy alone were nonsmokers and 50% of those treated with NRT/hypnotherapy had quit fully, compared to 25% in the “cold turkey” control group and 15.78% in the nicotine replacement therapy only group.
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