bankinggugl.blogg.se - Hypnotize someone

Spiegel said he was pleased that he and his team found something so clear.

By contrast, there was little functional connectivity between these two areas of the brain in those with low hypnotizability. More specifically, in the brains of the highly hypnotizable group the left dorsolateral prefrontal cortex, an executive-control region of the brain, appeared to be activated in tandem with the dorsal anterior cingulate cortex, which is part of the salience network and plays a role in focusing of attention. The findings, Spiegel said, were clear: Both groups had an active default-mode network, but highly hypnotizable participants showed greater co-activation between components of the executive-control network and the salience network. The researchers looked at the activity of three different networks in the brain: the default-mode network, used when one's brain is idle the executive-control network, which is involved in making decisions and the salience network, which is involved in deciding something is more important than something else.

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"Our results provide novel evidence that altered functional connectivity in and may underlie hypnotizability," the researchers wrote in their paper.įor the study, Spiegel and his Stanford colleagues performed functional and structural MRI scans of the brains of 12 adults with high hypnotizability and 12 adults with low hypnotizability.

Hypnosis works by modulating activity in brain regions associated with focused attention, and this study offers compelling new details regarding neural capacity for hypnosis. It has been shown to help with brain control over sensation and behavior, and has been used clinically to help patients manage pain, control stress and anxiety and combat phobias. Hypnosis is described as a trance-like state during which a person has a heightened focus and concentration. "There's got to be something going on in the brain," he said. Spiegel estimates that one-quarter of the patients he sees cannot be hypnotized, though a person's hypnotizability is not linked with any specific personality trait. Such an advance would enable scientists to understand better the mechanisms underlying hypnosis and how it can be used more widely and effectively in clinical settings, added Spiegel, who also directs the Stanford Center for Integrative Medicine. "There's never been a brain signature of being hypnotized, and we're on the verge of identifying one," said David Spiegel, MD, the paper's senior author and a professor of psychiatry and behavioral sciences. The study, published in the October issue of Archives of General Psychiatry, uses data from functional and structural magnetic resonance imaging to identify how the areas of the brain associated with executive control and attention tend to have less activity in people who cannot be put into a hypnotic trance. Not everyone is able to be hypnotized, and new research from the Stanford University School of Medicine shows how the brains of such people differ from those who can easily be.