2015
Barratt Impulsivity and Neural Regulation of Physiological Arousal
Zhang S, Hu S, Hu J, Wu PL, Chao HH, Li CS. Barratt Impulsivity and Neural Regulation of Physiological Arousal. PLOS ONE 2015, 10: e0129139. PMID: 26079873, PMCID: PMC4469608, DOI: 10.1371/journal.pone.0129139.Peer-Reviewed Original ResearchConceptsSkin conductance responsesImpulsive individualsNeural basisPhysiological arousalArousal regulationHigh impulsivityBarratt impulsivitySkin conductanceGreater skin conductance responsesFunctional magnetic resonance imagingVentromedial prefrontal cortexStop-signal taskTheory of personalityBarratt Impulsivity ScalePoor impulse controlVmPFC activitySalient stimuliExternal stimulationImpulsive womenNeural processesNeural substratesSignal taskConductance responsesImpulsivity ScaleImpulsivity
2012
Decreased saliency processing as a neural measure of Barratt impulsivity in healthy adults
Farr OM, Hu S, Zhang S, Li CS. Decreased saliency processing as a neural measure of Barratt impulsivity in healthy adults. NeuroImage 2012, 63: 1070-1077. PMID: 22885245, PMCID: PMC3472158, DOI: 10.1016/j.neuroimage.2012.07.049.Peer-Reviewed Original ResearchConceptsStop-signal reaction timeStop-signal taskMiddle frontal cortexCognitive controlTrait impulsivityResponse inhibitionComponent processesSaliency processingBarratt impulsivityCognitive control functionsLeft dorsolateral prefrontal cortexPost-error slowingRegional brain activationDorsolateral prefrontal cortexSignal reaction timeYoung adult participantsBarratt Impulsivity ScaleNeural measuresError processingSignal taskBrain activationPsychophysiological interactionImpulsivity scoresBIS-11Impulsivity Scale