2015
A Preliminary Prospective Study of an Escalation in ‘Maximum Daily Drinks’, Fronto-Parietal Circuitry and Impulsivity-Related Domains in Young Adult Drinkers
Worhunsky PD, Dager AD, Meda SA, Khadka S, Stevens MC, Austad CS, Raskin SA, Tennen H, Wood RM, Fallahi CR, Potenza MN, Pearlson GD. A Preliminary Prospective Study of an Escalation in ‘Maximum Daily Drinks’, Fronto-Parietal Circuitry and Impulsivity-Related Domains in Young Adult Drinkers. Neuropsychopharmacology 2015, 41: 1637-1647. PMID: 26514582, PMCID: PMC4832027, DOI: 10.1038/npp.2015.332.Peer-Reviewed Original ResearchConceptsAlcohol useYoung adult drinkersYoung adultsPreliminary prospective studyAdult drinkersExcessive alcohol useAlcohol use disorderFunctional network activityProspective studyUse disordersFunctional brain networksGo/No-Go taskNeurobiological alterationsDomain scoresGreater riskDaily drinksAddictive disordersDrinkersDrinking occasionsLongitudinal studyFronto-parietal circuitryBrain networks
2014
Brain activity in predominantly-inattentive subtype attention-deficit/hyperactivity disorder during an auditory oddball attention task
Orinstein AJ, Stevens MC. Brain activity in predominantly-inattentive subtype attention-deficit/hyperactivity disorder during an auditory oddball attention task. Psychiatry Research 2014, 223: 121-128. PMID: 24953999, PMCID: PMC4120259, DOI: 10.1016/j.pscychresns.2014.05.012.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderAttention taskADHD subtypesHyperactivity disorderNovel stimuliBrain activityMemory-related cognitive processesPrevious functional neuroimaging studiesBilateral superior temporal gyrusRight posterior parietal cortexNumerous cognitive tasksFunctional neuroimaging studiesInfrequent target stimuliAge-matched control participantsSuperior temporal gyrusPosterior parietal cortexTemporal lobe structuresGreater hemodynamic activityAttentional orientingCognitive processesCognitive tasksTarget stimuliInattentive subtypeLateral temporal lobe structuresAttention deficits
2013
fMRI response during figural memory task performance in college drinkers
Dager AD, Jamadar S, Stevens MC, Rosen R, Jiantonio-Kelly RE, Sisante JF, Raskin SA, Tennen H, Austad CS, Wood RM, Fallahi CR, Pearlson GD. fMRI response during figural memory task performance in college drinkers. Psychopharmacology 2013, 231: 167-179. PMID: 23949205, PMCID: PMC3877735, DOI: 10.1007/s00213-013-3219-1.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAlcohol DrinkingAlcoholismBrain MappingData Interpretation, StatisticalFemaleFrontal LobeHippocampusHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMemoryOxygenParietal LobePsychomotor PerformanceReaction TimeRecognition, PsychologyVisual PerceptionYoung AdultConceptsFunctional magnetic resonance imagingAlcohol use disorderBOLD responseBilateral posterior parietal cortexMemory task performanceHeavy-drinking college studentsInferior frontal activationRight dorsolateral prefrontalCorrect encodingWorse memory performanceDefault mode regionsIncorrect encodingAlcohol-related impairmentMemory-related areasHeavy drinkersGreater BOLD responseLight drinkersPosterior parietal cortexBlood oxygen level-dependent functional magnetic resonance imagingQuantity/frequencyLevel-dependent functional magnetic resonance imagingInsula responseNeural correlatesFigural memoryFrontal activation
2011
The Effects of Stimulant Medication on Working Memory Functional Connectivity in Attention-Deficit/Hyperactivity Disorder
Wong CG, Stevens MC. The Effects of Stimulant Medication on Working Memory Functional Connectivity in Attention-Deficit/Hyperactivity Disorder. Biological Psychiatry 2011, 71: 458-466. PMID: 22209640, PMCID: PMC4120250, DOI: 10.1016/j.biopsych.2011.11.011.Peer-Reviewed Original ResearchConceptsAttention-deficit/hyperactivity disorderFunctional magnetic resonance imagingFunctional connectivityFMRI taskHyperactivity disorderStimulant medicationNetwork engagementMemory fMRI taskFrontoparietal brain networksBrain regionsFrontoparietal brain regionsConnectivity changesMemory reaction timeVentrolateral prefrontal cortexAdditional brain regionsGroup independent component analysisMedication-related changesFunctional connectivity analysisRegional functional connectivityFunctional connectivity changesMemory performanceRepeated-measures t-testBrain activationIndependent component analysisRetrieval phase
2010
Functional Imaging of Cognitive Control During Acute Alcohol Intoxication
Anderson BM, Stevens MC, Meda SA, Jordan K, Calhoun VD, Pearlson GD. Functional Imaging of Cognitive Control During Acute Alcohol Intoxication. Alcohol Clinical And Experimental Research 2010, 35: 156-165. PMID: 20958334, PMCID: PMC3005103, DOI: 10.1111/j.1530-0277.2010.01332.x.Peer-Reviewed Original ResearchConceptsCognitive controlError processingBrain regionsAnterior cingulateFunctional magnetic resonance imaging (fMRI) taskFunctional MRILateral prefrontal cortexParietal brain regionsFalse alarm responsesBrain hemodynamic activityFalse alarm errorsParietal lobe regionsNeural basisBehavioral performancePrefrontal cortexFMRI analysisHemodynamic activityLobe regionsAcute alcohol intoxicationAlarm errorsAlcohol effectsReaction timeAlcohol intoxicationCingulateAlarm response
2009
Double dissociation between perspective-taking and empathic-concern as predictors of hemodynamic response to another's mistakes
Shane MS, Stevens MC, Harenski CL, Kiehl KA. Double dissociation between perspective-taking and empathic-concern as predictors of hemodynamic response to another's mistakes. Social Cognitive And Affective Neuroscience 2009, 4: 111-118. PMID: 19244454, PMCID: PMC2686223, DOI: 10.1093/scan/nsn043.Peer-Reviewed Original ResearchConceptsSelf-reported empathic concernParticipants' levelInferior parietal cortexSense of agencyEmpathic concernDouble dissociationFunctional dissociationHemodynamic responseParietal cortexAction patternsBasic representationVACCObserved errorsMistakesSelfCortexStrong evidenceProcessingSeparate rolesDissociationRecognitionPredictorsUnderstanding