2018
Relationship 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 hippocampusTaskLongitudinal Effects of Alcohol Consumption on the Hippocampus and Parahippocampus in College Students
Meda SA, Hawkins KA, Dager AD, Tennen H, Khadka S, Austad CS, Wood RM, Raskin S, Fallahi CR, Pearlson GD. Longitudinal Effects of Alcohol Consumption on the Hippocampus and Parahippocampus in College Students. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2018, 3: 610-617. PMID: 29680476, PMCID: PMC6062479, DOI: 10.1016/j.bpsc.2018.02.006.Peer-Reviewed Original ResearchConceptsAlcohol consumptionAlcohol use indicesHippocampal volume declineBrain magnetic resonanceLongitudinal effectsMemory scoresCalifornia Verbal Learning Test-IIAlcohol-induced memory blackoutsPara-hippocampusHippocampal volumeMemory blackoutsLongitudinal brainVolume declineDrinking indicesLongitudinal pipelinePoorer memory performancePoorer memory scoresHippocampusTest IICross-sectional literatureDrinking-related measuresBrainAlcohol researchMagnetic resonanceScores
2017
The effect of high-dose atorvastatin on neural activity and cognitive function
Taylor BA, Dager AD, Panza GA, Zaleski AL, Meda S, Book G, Stevens MC, Tartar S, White CM, Polk DM, Pearlson GD, Thompson PD. The effect of high-dose atorvastatin on neural activity and cognitive function. American Heart Journal 2017, 197: 166-174. PMID: 29447778, PMCID: PMC6083849, DOI: 10.1016/j.ahj.2017.10.027.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingGreater activationStroop color-word scoresHopkins Verbal Learning Test-RevisedFigural memory tasksStandard neuropsychological assessmentColor-Word scoreStandard neuropsychological testsBrain activation patternsNeuropsychological test scoresSternberg taskBrain neural activationMemory taskFMRI taskTask versionsNeuropsychological testsNeural activationNeuropsychological assessmentCognitive testingEffect of statinsCognitive functionSignificant group-time interactionNeural activityBilateral precuneusClock Test
2014
Shared Genetic Factors Influence Amygdala Volumes and Risk for Alcoholism
Dager AD, McKay DR, Kent JW, Curran JE, Knowles E, Sprooten E, Göring H, Dyer TD, Pearlson GD, Olvera RL, Fox PT, Lovallo WR, Duggirala R, Almasy L, Blangero J, Glahn DC. Shared Genetic Factors Influence Amygdala Volumes and Risk for Alcoholism. Neuropsychopharmacology 2014, 40: 412-420. PMID: 25079289, PMCID: PMC4443955, DOI: 10.1038/npp.2014.187.Peer-Reviewed Original ResearchConceptsAmygdala volumeSubcortical volumesFamily historyLifetime AUDAlcohol-related damageGenetic factorsSmaller amygdala volumesPre-existing deficitsAUD riskSuch family historyStructural brain imagesBrain shrinkageDorsal striatumAlcohol abuseNeurotoxic damageVentral striatumSubcortical structuresCommon genetic factorsShared genetic factorsCommon genetic featuresUnrelated controlsMexican-American individualsGenetic featuresStriatumRisk