2015
Conflict anticipation in alcohol dependence — A model-based fMRI study of stop signal task
Hu S, Ide JS, Zhang S, Sinha R, Li CS. Conflict anticipation in alcohol dependence — A model-based fMRI study of stop signal task. NeuroImage Clinical 2015, 8: 39-50. PMID: 26106526, PMCID: PMC4473266, DOI: 10.1016/j.nicl.2015.03.008.Peer-Reviewed Original ResearchConceptsStop-signal reaction timeHealthy control individualsConflict anticipationAlcohol dependenceCognitive controlProactive controlSignal taskSequential effectsModel-based fMRI studyAlcohol consumptionStop signalPre-supplementary motor areaBilateral inferior parietal cortexPerigenual anterior cingulate cortexSignificant sequential effectInferior parietal cortexSignal reaction timeWhole-brain responsesAnterior cingulate cortexRecent alcohol consumptionNeural correlatesFMRI studyNeural markersMotor areaTrial onset
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