title: [Estimation of human activity level by means of infrared-pupillography].
mesh_terms: D002110:Caffeine / Q000494:pharmacology; D004569:Electroencephalography; D005133:Eye Movements / Q000502:physiology*; D006801:Humans; D007259:Infrared Rays; D011680:Pupil / Q000187:drug effects / Q000502:physiology*; D012018:Reflex
chemical_list: D002110:Caffeine
vernacular_title: Zur Bestimmung des menschlichen Aktivitätsniveaus mit Hilfe der Infrarot-Pupillographie.