2016
Error-Related Processing in Adult Males With Elevated Psychopathic Traits
Steele VR, Maurer JM, Bernat EM, Calhoun VD, Kiehl KA. Error-Related Processing in Adult Males With Elevated Psychopathic Traits. Personality Disorders Theory Research And Treatment 2016, 7: 80-90. PMID: 26479259, PMCID: PMC4710563, DOI: 10.1037/per0000143.Peer-Reviewed Original ResearchConceptsElevated psychopathic traitsEvent-related potentialsPsychopathic traitsGo/NoGo response inhibition taskPsychopathy ChecklistError-monitoring processesError-related processingResponse inhibition taskHigh psychopathic traitsLow psychopathic traitsSerious personality disordersHare Psychopathy ChecklistCognitive processesInhibition taskError processingRisk of recidivismProcessing abnormalitiesIncarcerated malesPoor decisionsViolent recidivismBehavioral symptomsBottleneck theoryPsychopathyPersonality disorderCurrent study
2015
Machine learning of structural magnetic resonance imaging predicts psychopathic traits in adolescent offenders
Steele VR, Rao V, Calhoun VD, Kiehl KA. Machine learning of structural magnetic resonance imaging predicts psychopathic traits in adolescent offenders. NeuroImage 2015, 145: 265-273. PMID: 26690808, PMCID: PMC4903946, DOI: 10.1016/j.neuroimage.2015.12.013.Peer-Reviewed Original ResearchConceptsLow psychopathic traitsPsychopathic traitsPersonality traitsNeural measuresElevated psychopathic traitsHigh psychopathic traitsVoxel-based morphometry dataNon-incarcerated youthSupport vector machine (SVM) learning modelStructural magnetic resonance imagingNeural correlatesAdolescent offendersAdolescent participantsGroup membershipClinical groupsHealthy controlsParalimbic systemNuanced modelsPersonality disorderFuture behaviorIncarcerated individualsYouthPsychopathyMachine learning modelsLearning modelPsychopathy, attention, and oddball target detection: New insights from PCL‐R facet scores
Anderson NE, Steele VR, Maurer JM, Bernat EM, Kiehl KA. Psychopathy, attention, and oddball target detection: New insights from PCL‐R facet scores. Psychophysiology 2015, 52: 1194-1204. PMID: 25912522, PMCID: PMC5648055, DOI: 10.1111/psyp.12441.Peer-Reviewed Original ResearchConceptsPsychopathy ChecklistPsychopathy-related differencesTarget P3 amplitudeFrequent standard stimuliAuditory oddball taskIncarcerated adult malesHare Psychopathy ChecklistP3 amplitudeOddball taskCognitive featuresFeatures of psychopathyN1 amplitudeStandard stimuliCognitive deficitsFacet scoresSlow wave amplitudeERPPsychopathyInconsistent resultsPrior studiesAttentionSlow wavesPsychopathsPrincipal component analysisStimuli