2013
Ventromedial prefrontal cortex and the regulation of physiological arousal
Zhang S, Hu S, Chao HH, Ide JS, Luo X, Farr OM, Li CS. Ventromedial prefrontal cortex and the regulation of physiological arousal. Social Cognitive And Affective Neuroscience 2013, 9: 900-908. PMID: 23620600, PMCID: PMC4090954, DOI: 10.1093/scan/nst064.Peer-Reviewed Original ResearchConceptsSkin conductance levelVentromedial prefrontal cortexPrefrontal cortexDorsal anterior cingulate cortexCausal roleAnterior cingulate cortexFunctional magnetic resonance imagingMagnetic resonance imagingCerebral blood oxygenationSkin conductance measurementsHealthy adultsPhysiological arousalUnderstanding of dysfunctionCingulate cortexResonance imagingBrain regionsBlood oxygenationAnxiety disordersAltered controlCortexGranger causality analysisSkin conductance responsesBehavioral tasksPhasic skin conductance responsesSkin conductance
2012
Cerebral correlates of skin conductance responses in a cognitive task
Zhang S, Hu S, Chao HH, Luo X, Farr OM, Li CS. Cerebral correlates of skin conductance responses in a cognitive task. NeuroImage 2012, 62: 1489-1498. PMID: 22634217, PMCID: PMC3408848, DOI: 10.1016/j.neuroimage.2012.05.036.Peer-Reviewed Original ResearchConceptsSkin conductance responsesSupplementary motor areaControl of arousalDorsal anterior cingulate cortexAnterior cingulate cortexRegional activationFunctional magnetic resonance imagingMagnetic resonance imagingMedial prefrontal cortexLower skin conductance responsesMotor areaCingulate cortexResonance imagingPrefrontal cortexCerebral correlatesConductance responsesTrialsSuccess trialsNeural activityStop successSignal taskPhysiological arousalCognitive performanceNeural correlatesCortex
2011
Functional connectivity mapping of the human precuneus by resting state fMRI
Zhang S, Li CS. Functional connectivity mapping of the human precuneus by resting state fMRI. NeuroImage 2011, 59: 3548-3562. PMID: 22116037, PMCID: PMC3288461, DOI: 10.1016/j.neuroimage.2011.11.023.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBrain MappingFemaleHumansMagnetic Resonance ImagingMaleMiddle AgedParietal LobeRestYoung AdultConceptsVentral precuneusGreater connectivityDorsal precuneusFrontal gyrusSelf-related processingLess connectivityDorsal anteriorSuperior temporal gyrusMiddle frontal gyrusPosterior parietal cortexDefault mode networkMiddle occipital gyrusOrbital frontal gyrusAnterior cingulate gyrusHippocampus/parahippocampusMental imageryEpisodic memoryCognitive processesPosterior precuneusVisual imageryHuman precuneusFunctional neuroanatomyAngular gyrusTemporal gyrusNegative connectivityDeficits in default mode network activity preceding error in cocaine dependent individuals
Bednarski SR, Zhang S, Hong KI, Sinha R, Rounsaville BJ, Li CS. Deficits in default mode network activity preceding error in cocaine dependent individuals. Drug And Alcohol Dependence 2011, 119: e51-e57. PMID: 21703783, PMCID: PMC3188675, DOI: 10.1016/j.drugalcdep.2011.05.026.Peer-Reviewed Original ResearchConceptsDefault mode networkCocaine dependenceCocaine useHealthy controlsTask-related cerebral activationBlood oxygenation level-dependent (BOLD) signalDemographics-matched healthy controlsGray matter volumeDefault mode network activityLevel-dependent signalChronic cocaine useRegional brain activationPosterior cingulate cortexStatistical parametric mappingCerebral functionBilateral precuneusCocaine-dependent individualsCerebral activationHealthy peopleMatter volumeCingulate cortexVentromedial prefrontal cortexBrain regionsCognitive deficitsCocaine misuseResting-State Functional Connectivity of the Medial Superior Frontal Cortex
Zhang S, Ide JS, Li CS. Resting-State Functional Connectivity of the Medial Superior Frontal Cortex. Cerebral Cortex 2011, 22: 99-111. PMID: 21572088, PMCID: PMC3236794, DOI: 10.1093/cercor/bhr088.Peer-Reviewed Original ResearchConceptsMedial superior frontal cortexSupplementary motor areaSuperior frontal cortexFunctional connectivityFrontal cortexMotor areaResting-state functional magnetic resonanceResting-state functional connectivityFrontal cortical functionPresupplementary motor areaFunctional magnetic resonanceSubthalamic nucleusSomatomotor areasCortical functionPreSMAAnterior partSignificant hemispheric asymmetryCaudateBehavioral tasksAnatomical boundariesCortexFuture studiesHemispheric asymmetryMagnetic resonanceSeed regionFunctional networks for cognitive control in a stop signal task: Independent component analysis
Zhang S, Li C. Functional networks for cognitive control in a stop signal task: Independent component analysis. Human Brain Mapping 2011, 33: 89-104. PMID: 21365716, PMCID: PMC3674850, DOI: 10.1002/hbm.21197.Peer-Reviewed Original ResearchConceptsStop-signal taskCognitive controlFronto-parietal networkStop successError processingSignal taskComponent processesFunctional networksLeft fronto-parietal networkRight fronto-parietal networkSelf-referential processingCritical executive functionCortico-subcortical networksAttentional monitoringExecutive functionResponse inhibitionError trialsNeural processesIndependent component analysisBehavioral engagementMotor preparationMotor cortical networkCortical networksSE trialsLinear modeling
2009
A neural measure of behavioral engagement: Task-residual low-frequency blood oxygenation level-dependent activity in the precuneus
Zhang S, Li CS. A neural measure of behavioral engagement: Task-residual low-frequency blood oxygenation level-dependent activity in the precuneus. NeuroImage 2009, 49: 1911-1918. PMID: 19761851, PMCID: PMC2791356, DOI: 10.1016/j.neuroimage.2009.09.004.Peer-Reviewed Original ResearchConceptsBlood oxygenation level-dependent activityRegional brain activationLevel-dependent activityTask engagementNeural measuresNeural processesBrain activationPosterior cingulate cortexAttentional monitoringResponse inhibitionHuman cognitionPrefrontal activationSignal taskGreater activationBOLD activityBehavioral engagementCingulate cortexPrecuneusBrain regionsLow-frequency fluctuationsFractional amplitudeBrain imagingSeed regionIndependent component analysisEngagement
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 regions