2018
Validation of a Behavioral Measure of Acquiring and Discarding in Hoarding Disorder
Levy HC, Stevens MC, Tolin DF. Validation of a Behavioral Measure of Acquiring and Discarding in Hoarding Disorder. Journal Of Psychopathology And Behavioral Assessment 2018, 41: 135-143. PMID: 31105379, PMCID: PMC6516472, DOI: 10.1007/s10862-018-9701-7.Peer-Reviewed Original ResearchCognitive behavioral therapyHealthy control participantsBehavioral measuresHD symptomsLonger response timesHoarding DisorderTreatment completersComputer taskEvidence-based assessmentControl participantsConvergent validityCore featuresResponse timeBehavioral assessmentSimulated decisionsMore itemsTreatment-related changesTaskHC groupReaction timeSex-matched healthy control participantsCurrent studySubset of patientsItemsDisorders
2012
Overcoming residual interference in mental set switching: Neural correlates and developmental trajectory
Witt ST, Stevens MC. Overcoming residual interference in mental set switching: Neural correlates and developmental trajectory. NeuroImage 2012, 62: 2055-2064. PMID: 22584223, PMCID: PMC3482401, DOI: 10.1016/j.neuroimage.2012.05.007.Peer-Reviewed Original ResearchConceptsHigher taskLower taskFunctional magnetic resonance imaging studySpaced trialsSubsequent stimulus processingBrain regionsMagnetic resonance imaging studyDissociable influencesExecutive controlCognitive setResonance imaging studyNeural correlatesStimulus processingBrain systemsSwitch costsDevelopmental trajectoriesTask typeSet switchingSubcortical motor networksNew tasksInterstimulus intervalPassive decayTaskReaction timeCortical control
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