Altered States of Consciousness

activity alpha rhythm alpha waves altered Amer Anne appear ASCs associated attention autogenic autogenic training awareness become behavior Bill clin clinical cognitive creative deautomatization depth described EEG changes EEG/EOG effects electroencephalographic emotional experienced experimental experimental-hypnagogic external feeling felt functions Genista canariensis hallucinations Huxley hypnagogic hypnosis hypnotic hypnotist imagery increased individual induced inhalation intense Kleitman lucid dream Luthe marijuana memory mental mentation mescaline mind mystic experience mystical consciousness normal NREM observed occur orientation patient pattern perception perience period person phenomena problem procedure psilocybin psychedelic drugs psychedelic experience Psychiat psychic Psychol psychological psychosis psychotherapy reality reality-orientation regression reported response Schultz seems Senoi sensation sense sensory deprivation session significant sleep onset social stage stimuli subjects suggested Tart technique therapist therapy thinking thought tion trance usually vase visual waking York Zen meditation