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
2012
The effects of age on cerebral activations: internally versus externally driven processes
Hu S, Chao H, Winkler AD, Li CS. The effects of age on cerebral activations: internally versus externally driven processes. Frontiers In Aging Neuroscience 2012, 4: 4. PMID: 22536185, PMCID: PMC3334814, DOI: 10.3389/fnagi.2012.00004.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingCerebral activationRegional brain activationAge-related decreaseCognitive processesPrepotent responsesPsychological constructsCognitive functioningSignal taskBrain activationGo trialsFMRI dataGo signalSE trialsEffect of ageImaging literatureYoung adultsStop signalHealthy adultsInfluence of ageSeeming inconsistencyAdultsMagnetic resonance imagingYears of ageFunctioning
2008
Neural Correlates of Speeded as Compared with Delayed Responses in a Stop Signal Task: An Indirect Analog of Risk Taking and Association with an Anxiety Trait
Li CS, Chao H, Lee TW. Neural Correlates of Speeded as Compared with Delayed Responses in a Stop Signal Task: An Indirect Analog of Risk Taking and Association with an Anxiety Trait. Cerebral Cortex 2008, 19: 839-848. PMID: 18678764, PMCID: PMC2722793, DOI: 10.1093/cercor/bhn132.Peer-Reviewed Original ResearchConceptsStop-signal taskSignal taskReaction timeTrial reaction timeStop-signal performanceFunctional magnetic resonanceMiddle frontal gyrusAdvantage of variabilityBilateral visual cortexPosterior cingulate cortexCognitive controlNeural correlatesNeural processesAmygdala activityTrait anxietyFrontal gyrusAnxiety traitsBehavioral paradigmsIndirect analogueCingulate cortexNeural analogRisk takingVisual cortexStop signalCurrent studyNeural 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
2006
Performance monitoring and stop signal inhibition in abstinent patients with cocaine dependence
Li CS, Milivojevic V, Kemp K, Hong K, Sinha R. Performance monitoring and stop signal inhibition in abstinent patients with cocaine dependence. Drug And Alcohol Dependence 2006, 85: 205-212. PMID: 16725282, DOI: 10.1016/j.drugalcdep.2006.04.008.Peer-Reviewed Original ResearchConceptsImpaired response inhibitionStop-signal taskResponse inhibitionCognitive processesCocaine-dependent patientsSignal taskResponse readinessTask-related cognitive processesCritical cognitive mechanismsPerformance monitoringMeasures of impulsivityEducation-matched healthy controlsSignal reaction timeAbstinent cocaine-dependent patientsHorse-race modelCognitive mechanismsPSS effectCocaine subjectsRace modelHealthy controlsSubstance abusersAbstinent patientsSSRTStop signalCocaine dependence