2009
Investigating the behavioral and self-report constructs of impulsivity domains using principal component analysis
Meda SA, Stevens MC, Potenza MN, Pittman B, Gueorguieva R, Andrews MM, Thomas AD, Muska C, Hylton JL, Pearlson GD. Investigating the behavioral and self-report constructs of impulsivity domains using principal component analysis. Behavioural Pharmacology 2009, 20: 390-399. PMID: 19724194, PMCID: PMC3268653, DOI: 10.1097/fbp.0b013e32833113a3.Peer-Reviewed Original ResearchConceptsSelf-report measuresImpulsivity domainsImpulsivity constructsSelf-reported impulsivityDistinct neural systemsAspects of impulsivitySelf-report constructsSelf-reported compulsivityMeasures of impulsivityReward/punishmentConstruct of impulsivitySupplementary goalCurrent cocaine usersTemporal discountingFive-factor solutionLaboratory tasksMaladaptive behaviorsDifferent domainsImpulsivityMultidimensional constructBehavioral activationNeural systemsHuman behaviorBehavioral studiesSupplemental analyses
2005
fMRI in an oddball task: Effects of target‐to‐target interval
Stevens MC, Calhoun VD, Kiehl KA. fMRI in an oddball task: Effects of target‐to‐target interval. Psychophysiology 2005, 42: 636-642. PMID: 16364059, DOI: 10.1111/j.1469-8986.2005.00368.x.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingEvent-related potentialsTarget stimuliOddball taskTarget intervalTask-relevant target stimuliP3 event-related potentialBilateral lateral prefrontal cortexTask-relevant stimuliTemporal-parietal junctionLateral prefrontal cortexAuditory oddball taskMemory templateNovel stimuliPrefrontal cortexHemodynamic activityAnterior cingulateNeural systemsStimuliPositive relationshipLarge sampleHealthy adultsNeuronal modulationEffect of targetMagnetic resonance imagingThe hemodynamics of oddball processing during single-tone and two-tone target detection tasks
Stevens MC, Laurens KR, Liddle PF, Kiehl KA. The hemodynamics of oddball processing during single-tone and two-tone target detection tasks. International Journal Of Psychophysiology 2005, 60: 292-303. PMID: 16213043, PMCID: PMC2766532, DOI: 10.1016/j.ijpsycho.2005.07.012.Peer-Reviewed Original ResearchConceptsContextual manipulationsStimulus processingOddball taskTwo-tone auditory oddball taskEvent-related potential studySalient stimuli processingTarget stimulus processingBilateral temporal cortexTarget detection taskAuditory oddball taskLateral frontal cortexERP componentsReflexive processingSalient stimuliStimulus typeERP dataTask performanceFMRI studyStimulus classesDetection taskNeurocognitive functionSubcortical networksNeural systemsPotential studiesTemporal cortex