title: Control of states of consciousness. I. Attainment through control of psychophysiological variables.
mesh_terms: D000222:Adaptation, Physiological; D000223:Adaptation, Psychological; D003243:Consciousness; D004777:Environment; D005246:Feedback; D006706:Homeostasis; D008960:Models, Psychological; D009129:Muscle Tonus; D011603:Psychophysiology