Kikuchi, Asuka Effects of levocetirizine and diphenhydramine on regional glucose metabolic changes and hemodynamic responses in the human prefrontal cortex during cognitive tasks. [electronic resource] - Human psychopharmacology 03 2018 - e2655 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1099-1077 Standard No.: 10.1002/hup.2655 doi Subjects--Topical Terms: Brain MappingCetirizine--pharmacologyCognition--drug effectsCross-Over StudiesDiphenhydramine--pharmacologyDouble-Blind MethodFemaleFluorodeoxyglucose F18--pharmacokineticsGlucose--metabolismHealthy VolunteersHemodynamics--drug effectsHistamine H1 Antagonists--pharmacologyHumansImage Processing, Computer-AssistedMaleNeuropsychological TestsPositron-Emission TomographyPrefrontal Cortex--blood supplySpectroscopy, Near-InfraredTime Factors