2013
Robust Changes in Reward Circuitry During Reward Loss in Current and Former Cocaine Users During Performance of a Monetary Incentive Delay Task
Patel KT, Stevens MC, Meda SA, Muska C, Thomas AD, Potenza MN, Pearlson GD. Robust Changes in Reward Circuitry During Reward Loss in Current and Former Cocaine Users During Performance of a Monetary Incentive Delay Task. Biological Psychiatry 2013, 74: 529-537. PMID: 23778289, PMCID: PMC3775945, DOI: 10.1016/j.biopsych.2013.04.029.Peer-Reviewed Original ResearchConceptsMonetary incentive delay taskVentral tegmental areaHealthy subjectsFormer cocaine usersLoss anticipationIncentive delay taskCocaine usersTegmental areaLoss outcomesCurrent cocaine usersDrug useAbnormal brain activation patternsCocaine addictionCurrent usersActivation patternsCocaine-using groupDelay taskLong-term cocaine abstinenceFunctional magnetic resonanceSubstance-induced alterationsBrain activation patternsCircuit abnormalitiesAnterior cingulate activationControl subjectsRisk factorsInfluence of Alcohol Use on Neural Response to Go/No-Go Task in College Drinkers
Ahmadi A, Pearlson GD, Meda SA, Dager A, Potenza MN, Rosen R, Austad CS, Raskin SA, Fallahi CR, Tennen H, Wood RM, Stevens MC. Influence of Alcohol Use on Neural Response to Go/No-Go Task in College Drinkers. Neuropsychopharmacology 2013, 38: 2197-2208. PMID: 23670589, PMCID: PMC3773670, DOI: 10.1038/npp.2013.119.Peer-Reviewed Original ResearchConceptsSupplementary motor areaHeavy drinkersLight drinkersCollege-age drinkersAlcohol useResponse inhibitionBlood oxygen level-dependent (BOLD) responseHeavy alcohol drinkersImportant risk factorBilateral middle frontal gyrusAlcohol use disorderBrain activityAnterior cingulate cortexGreater BOLD responseLevel-dependent responsesMiddle frontal gyrusSuperior temporal gyrusImpaired response inhibitionAlcohol drinkersRisk factorsResponse inhibition taskRight hippocampusMotor areaWarrants additional investigationBilateral parietal lobules
2012
Influence of Alcohol Use and Family History of Alcoholism on Neural Response to Alcohol Cues in College Drinkers
Dager AD, Anderson BM, Stevens MC, Pulido C, Rosen R, Jiantonio‐Kelly R, Sisante J, Raskin SA, Tennen H, Austad CS, Wood RM, Fallahi CR, Pearlson GD. Influence of Alcohol Use and Family History of Alcoholism on Neural Response to Alcohol Cues in College Drinkers. Alcohol Clinical And Experimental Research 2012, 37: e161-e171. PMID: 23078363, PMCID: PMC3548054, DOI: 10.1111/j.1530-0277.2012.01879.x.Peer-Reviewed Original ResearchConceptsAlcohol cue reactivityFamily historyHeavy drinkersCue reactivityLight drinkersHeavy drinkingMagnetic resonance imaging responseBOLD responseBlood oxygen level-dependent (BOLD) contrastAlcohol cuesVisual association regionsAlcohol use disorderAlcohol imagesFunctional magnetic resonance imaging (fMRI) responsesMedial frontal cortexGreater BOLD responseLevel-dependent contrastTemporo-parietal regionsRisk factorsFrontal cortexDorsal striatumUse disordersAnterior cingulateBeverage imagesImaging responseDefault mode network activity and white matter integrity in healthy middle-aged ApoE4 carriers
Patel KT, Stevens MC, Pearlson GD, Winkler AM, Hawkins KA, Skudlarski P, Bauer LO. Default mode network activity and white matter integrity in healthy middle-aged ApoE4 carriers. Brain Imaging And Behavior 2012, 7: 60-67. PMID: 23011382, DOI: 10.1007/s11682-012-9187-y.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnxietyApolipoprotein E4BrainData Interpretation, StatisticalDepressionDiffusion Tensor ImagingDNAFemaleGenotypeHeterozygoteHumansImage Processing, Computer-AssistedIntelligence TestsMagnetic Resonance ImagingMaleMiddle AgedNerve NetNeuropsychological TestsPrincipal Component AnalysisSmokingWechsler ScalesConceptsAPOE4 carriersMagnetic resonance imagingAlzheimer's diseaseFractional anisotropyFunctional MRI abnormalitiesUnderlying neuropathologic changesWhite matter fractional anisotropyWhite matter changesDefault mode network connectivityDefault mode network activityGenetic risk factorsMode network connectivityMiddle-aged adultsWhite matter integrityMRI abnormalitiesNeuropathologic changesRisk factorsApolipoprotein EMatter changesCognitive declineResonance imagingOlder ageFunctional connectivityGenetic riskDMN regions