Guanfacine treatment for prefrontal cognitive dysfunction in older participants: a randomized clinical trial
Barcelos NM, Van Ness PH, Wagner AF, MacAvoy MG, Mecca AP, Anderson GM, Trentalange M, Hawkins KA, Sano M, Arnsten AFT, van Dyck CH. Guanfacine treatment for prefrontal cognitive dysfunction in older participants: a randomized clinical trial. Neurobiology Of Aging 2018, 70: 117-124. PMID: 30007160, PMCID: PMC6503670, DOI: 10.1016/j.neurobiolaging.2018.05.033.Peer-Reviewed Original ResearchConceptsDose of guanfacineQuality of lifeZ-scoreCognitive functionPrefrontal cognitive dysfunctionCommon adverse eventsPrimary outcome measureRandomized clinical trialsGlobal functionOlder participantsHealthy older participantsPrefrontal cognitive functionDry mouthAdverse eventsAgonist guanfacineClinical trialsGuanfacine treatmentCognitive dysfunctionMean changeOutcome measuresPlaceboGuanfacineOlder individualsWeeksDoseRelationship between fMRI response during a nonverbal memory task and marijuana use in college students
Dager AD, Tice MR, Book GA, Tennen H, Raskin SA, Austad CS, Wood RM, Fallahi CR, Hawkins KA, Pearlson GD. Relationship between fMRI response during a nonverbal memory task and marijuana use in college students. Drug And Alcohol Dependence 2018, 188: 71-78. PMID: 29754029, PMCID: PMC6756147, DOI: 10.1016/j.drugalcdep.2018.03.025.Peer-Reviewed Original ResearchConceptsInferior frontal gyrusMJ usersFMRI responsesCollege studentsMemory taskMJ useFunctional magnetic resonance imaging (fMRI) responsesNonverbal memory tasksLower fMRI responseRecognition memoryNeural correlatesMagnetic resonance imaging responseFrontal gyrusVisual encodingRecognition taskOccupational functioningAge 18Memory dysfunctionMarijuana useAcademic performanceLeft hippocampusHippocampal dysfunctionGroup differencesRight hippocampusTask