2013
Hoarding disorder and obsessive–compulsive disorder show different patterns of neural activity during response inhibition
Tolin DF, Witt ST, Stevens MC. Hoarding disorder and obsessive–compulsive disorder show different patterns of neural activity during response inhibition. Psychiatry Research 2013, 221: 142-148. PMID: 24389161, PMCID: PMC3946244, DOI: 10.1016/j.pscychresns.2013.11.009.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderGo/NoGo taskFunctional magnetic resonance imagingOCD patientsHD patientsResponse inhibitionNoGo taskHealthy controlsGo/NoGo task performanceDistinct neural underpinningsRight orbitofrontal gyrusErrors of commissionNeural underpinningsOrbitofrontal activationTask performanceCorrect rejectsMagnetic resonance imagingHemodynamic activityFrontal hypoactivityNeural activityOrbitofrontal gyrusBehavioral dataHemodynamic responsePatientsPreliminary evidenceProlonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder
Rosenfeld ES, Pearlson GD, Sweeney JA, Tamminga CA, Keshavan MS, Nonterah C, Stevens MC. Prolonged hemodynamic response during incidental facial emotion processing in inter-episode bipolar I disorder. Brain Imaging And Behavior 2013, 8: 73-86. PMID: 23975275, PMCID: PMC3944373, DOI: 10.1007/s11682-013-9246-z.Peer-Reviewed Original ResearchConceptsFMRI studyDorsolateral prefrontal cortex responsesAutomatic emotion regulationAffectively salient stimuliFacial emotion processingGender discrimination taskBrain regionsRemitted bipolar disorderPrefrontal cortex responsesResidual mood symptomsPrefrontal cortex regionsDiagnostic group differencesVentromedial prefrontal cortex regionsCortex brain regionsAngry expressionsEmotion regulationEmotion processingEmotional processingBrain activationTask performanceHemodynamic responseEmotional reactionsBipolar disorderBipolar IPrefrontal cortexA large scale (N=102) functional neuroimaging study of response inhibition in a Go/NoGo task
Steele VR, Aharoni E, Munro GE, Calhoun VD, Nyalakanti P, Stevens MC, Pearlson G, Kiehl KA. A large scale (N=102) functional neuroimaging study of response inhibition in a Go/NoGo task. Behavioural Brain Research 2013, 256: 529-536. PMID: 23756137, PMCID: PMC4437665, DOI: 10.1016/j.bbr.2013.06.001.Peer-Reviewed Original ResearchConceptsSuccessful response inhibitionGo/NoGo taskResponse inhibitionUnsuccessful response inhibitionMagnetic resonance imaging studySupplementary motor areaResonance imaging studyFunctional magnetic resonance imaging studyInferior parietal lobuleNoGo taskInferior prefrontal regionsHealthy adult participantsBasal gangliaInferior frontal gyrusHemodynamic responseMotor areaAnterior cingulateImaging studiesParietal lobuleFronto-parietal networkHemodynamic activityFrontal gyrusFrontostriatal regionsSmall sample studiesPrefrontal regions
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