One scientific theory is that in this state the right hemisphere of the brain, which controls imagination, memory, creativity, and sensibility, is active, whereas the left hemisphere of the brain, which controls analytical thought, value judgments, and logical thinking, is suppressed. Someone who is hypnotized enters a trance-like state controlled by the right hemisphere.
科學研究上有此一說，這種狀態下，人類主司想像力、記憶力、創造力、感受力的右腦會不斷活化；而主司思考分析、價值判斷、邏輯推理的左腦活動會壓抑下來，整個人進入右腦主宰下的恍惚狀態。