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
2015
Neuroimaging data sharing on the neuroinformatics database platform
Book GA, Stevens MC, Assaf M, Glahn DC, Pearlson GD. Neuroimaging data sharing on the neuroinformatics database platform. NeuroImage 2015, 124: 1089-1092. PMID: 25888923, PMCID: PMC4608854, DOI: 10.1016/j.neuroimage.2015.04.022.Peer-Reviewed Original Research
2013
Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA
Xu J, Zhang S, Calhoun VD, Monterosso J, Li CS, Worhunsky PD, Stevens M, Pearlson GD, Potenza MN. Task-related concurrent but opposite modulations of overlapping functional networks as revealed by spatial ICA. NeuroImage 2013, 79: 62-71. PMID: 23611864, PMCID: PMC3677796, DOI: 10.1016/j.neuroimage.2013.04.038.Peer-Reviewed Original ResearchConceptsCommon brain regionsSpatial independent component analysisDifferent functional networksMedial frontoparietal corticesFunctional networksCognitive tasksBrain regionsFrontoparietal cortexMultiple cognitive processesFunctional magnetic resonance imaging (fMRI) dataHigher-order association corticesTask-related modulationSame brain regionsCognitive processesVisual tasksMagnetic resonance imaging dataVentral tegmental areaPosterior cingulateAssociation cortexHealthy participantsHuman brainTimecoursesSubcortical structuresSpatial ICATask
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
2008
Neural correlates of the processing of another’s mistakes: A possible underpinning for social and observational learning
Shane MS, Stevens M, Harenski CL, Kiehl KA. Neural correlates of the processing of another’s mistakes: A possible underpinning for social and observational learning. NeuroImage 2008, 42: 450-459. PMID: 18534868, PMCID: PMC2593145, DOI: 10.1016/j.neuroimage.2007.12.067.Peer-Reviewed Original ResearchConceptsGoal-directed behaviorCommon neural circuitryComplex social actionsDorsal anterior cingulateInferior parietal cortexSupplementary motor regionsError monitoringNeural correlatesGo taskObservational learningGo/Possible underpinningsOrbitofrontal cortexAnterior cingulateNeural circuitryParietal cortexSame taskMotor regionsSocial actionDistributed networkPotential importTaskCortexObserved errorsProcessing
2006
Hippocampus Function Predicts Severity of Post-Traumatic Stress Disorder
Astur RS, St. Germain SA, Tolin D, Ford J, Russell D, Stevens M. Hippocampus Function Predicts Severity of Post-Traumatic Stress Disorder. Cyberpsychology Behavior And Social Networking 2006, 9: 234-240. PMID: 16640486, DOI: 10.1089/cpb.2006.9.234.Peer-Reviewed Original ResearchConceptsPost-traumatic stress disorderVirtual Morris water taskFunctional magnetic resonance imagingMorris water taskPTSD severityStress disorderHippocampal activityWater taskSevere PTSD symptomsHippocampal-dependent tasksPTSD symptomsTask performanceMemory problemsHippocampal functionBrain structuresTaskAbnormal brain structureHippocampus functionAge-matched controlsMagnetic resonance imagingIQDisordersHippocampusTraumaResonance imagingSensorimotor performance in school‐age children with autism, developmental language disorder, or low IQ
Mandelbaum DE, Stevens M, Rosenberg E, Wiznitzer M, Steinschneider M, Korey S, Filipek P, Rapin I, Korey S. Sensorimotor performance in school‐age children with autism, developmental language disorder, or low IQ. Developmental Medicine & Child Neurology 2006, 48: 33-39. PMID: 16359592, DOI: 10.1017/s0012162206000089.Peer-Reviewed Original ResearchConceptsDevelopmental language disorderSchool-aged childrenLanguage disordersLower IQNonverbal IQDLD childrenAutistic groupMotor skillsNeurological examinationOromotor skillsIQSoft signsAutismSensorimotor performanceMotor impersistenceChildrenStandardized neurological examinationSkillsMulti-institutional studyMotor deficitsClinical impressionDisordersTaskDeficitsHIAD
2005
Low-dose estradiol alters brain activity
Stevens MC, Clark VP, Prestwood KM. Low-dose estradiol alters brain activity. Psychiatry Research 2005, 139: 199-217. PMID: 16084069, DOI: 10.1016/j.pscychresns.2005.04.004.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingSustained attention taskAttention taskEvent-related functional magnetic resonance imagingThree-stimulus oddball taskTasks of learningAlters brain activityEstrogen replacement therapyCortical brain regionsOddball taskBehavioral performanceBrain activityPrefrontal cortexHemodynamic activityAnterior cingulateDose estrogen replacement therapyNeural activityParietal lobeBrain regionsBrain functionReplacement therapyTaskGroup participantsDouble-blind studyMotor cortex