2008
Error-specific medial cortical and subcortical activity during the stop signal task: A functional magnetic resonance imaging study
Li C, Yan P, Chao H, Sinha R, Paliwal P, Constable RT, Zhang S, Lee T. Error-specific medial cortical and subcortical activity during the stop signal task: A functional magnetic resonance imaging study. Neuroscience 2008, 155: 1142-1151. PMID: 18674592, PMCID: PMC2605269, DOI: 10.1016/j.neuroscience.2008.06.062.Peer-Reviewed Original ResearchConceptsPost-error behavioral adjustmentPost-error slowingBehavioral adjustmentSignal taskFunctional magnetic resonance imaging studyConflict monitoring hypothesisError-related activityFunctional magnetic resonance imagingHigh-conflict trialsTrial reaction timeStop-signal taskMedial cortical regionsCortical brain regionsMagnetic resonance imaging studyResonance imaging studyElicit errorsBrain activationLess activationSubcortical activityCortical activityRetrosplenial cortexMonitoring hypothesisBehavioral outputBrain regionsCortical regionsNeural Correlates of Post-error Slowing during a Stop Signal Task: A Functional Magnetic Resonance Imaging Study
Li CS, Huang C, Yan P, Paliwal P, Constable RT, Sinha R. Neural Correlates of Post-error Slowing during a Stop Signal Task: A Functional Magnetic Resonance Imaging Study. Journal Of Cognitive Neuroscience 2008, 20: 1021-1029. PMID: 18211230, PMCID: PMC2597347, DOI: 10.1162/jocn.2008.20071.Peer-Reviewed Original ResearchConceptsStop-signal taskPost-error slowingBehavioral adjustmentNeural correlatesSignal taskFunctional magnetic resonance imaging studyFunctional magnetic resonance imagingVentrolateral prefrontal cortexCortical brain regionsMagnetic resonance imaging studyResonance imaging studyElicit errorsError processingStop trialsPrefrontal cortexNeural circuitryGo signalRegional activationBehavioral outputBrain regionsStop signalReaction timeConflicting responsesTaskImaging studies
2007
Greater activation of the “default” brain regions predicts stop signal errors
Li CS, Yan P, Bergquist KL, Sinha R. Greater activation of the “default” brain regions predicts stop signal errors. NeuroImage 2007, 38: 640-648. PMID: 17884586, PMCID: PMC2097963, DOI: 10.1016/j.neuroimage.2007.07.021.Peer-Reviewed Original ResearchConceptsSignal taskBehavioral adjustmentBrain regionsPost-error behavioral adjustmentCingulate cortexMidline brain regionsStop-signal taskPerigenual anterior cingulate cortexSignal detection theoryPosterior cingulate cortexAnterior cingulate cortexCortical brain regionsCognitive tasksStop successElicit errorsError processingNeural processesStop errorFMRI studyMental effortGreater activationPerformance errorsDetection theoryBilateral precuneusTask