title: [Altered states of consciousness: a history of research].
abstract: A history of studies on altered states of consciousness is described and divided into five main periods. Contemporary descriptive and psychophysiological research are reviewed.
authors.affiliation: Katedry Psychiatrii i Kliniki Psychiatrii Dorosłych AM, Krakowie.
authors.forename: A
authors.initials: A
authors.lastname: Kokoszka
mesh_terms: D003071:Cognition; D003072:Cognition Disorders; D003243:Consciousness; D003861:Depersonalization; D004569:Electroencephalography; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008297:Male; D011584:Psychology / Q000266:history; D013028:Space Perception
vernacular_title: Zmienione stany świadomości--historia pojecia i przeglad badań.