Suggested visual hallucination without hypnosis enhances activity in visual areas of the brain

► Color perception can be altered without using hypnosis as well as with hypnosis. ► Hypnosis provides a moderate but significant boost to color altering ability. ► The deeper the level of hypnosis the greater the ability to alter perception. ► The ability to be hypnotized deeply relates to more color change out of hypnosis. ► Less default mode activity in hypnosis at rest correlated with activity on the task.