During hypnosis, the brain undergoes a number of changes that make the individual more receptive to suggestions and increase focus. Studies using brain imaging technology have shown that during a hypnotic trance, there is a shift in brain activity, with increased activity in areas related to focused attention, like the anterior cingulate cortex. At the same time, there is reduced activity in the areas associated with critical thinking and conscious control, such as the prefrontal cortex. This shift in brain function allows the individual to bypass the usual filtering mechanisms of the conscious mind and access the subconscious, where deep-seated beliefs, habits, and memories are stored. The trance state also leads to a decrease in brainwave activity, with a move towards the alpha and theta brainwave frequencies, which are associated with deep relaxation and heightened suggestibility. These changes help facilitate the reprogramming of mental and emotional responses, such as overcoming a phobia or breaking a bad habit. The brain is essentially more malleable during hypnosis, allowing therapeutic suggestions to take root and lead to lasting changes in behavior and thought patterns.