title: [Changes in the heart rate of children during mental work. Comparative telemetric examinations on 4- to 7-years-old children. 1. Methods, examination procedure].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D003071:Cognition; D005260:Female; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D008297:Male; D011581:Psychological Tests; D011674:Pulse; D014796:Visual Perception
vernacular_title: Veränderungen der Herzschlagfolge bei Kindern unter geistiger Leistung Vergleichende telemetrische Untersuchungen an 4-bis 7 jährigen 1. Methodik, Untersuchungsanordnung