title: Hypnosis and ultradian cycles: a new state(s) theory of hypnosis?
mesh_terms: D000204:Activity Cycles; D001288:Attention / Q000502:physiology; D002940:Circadian Rhythm; D007839:Functional Laterality; D006801:Humans; D006990:Hypnosis / Q000379:methods; D013312:Stress, Physiological / Q000503:physiopathology; D013404:Suggestion