2012
Saliency Processing and Obesity: A Preliminary Imaging Study of the Stop Signal Task
Hendrick OM, Luo X, Zhang S, Li C. Saliency Processing and Obesity: A Preliminary Imaging Study of the Stop Signal Task. Obesity 2012, 20: 1796-1802. PMID: 21720427, PMCID: PMC3653271, DOI: 10.1038/oby.2011.180.Peer-Reviewed Original ResearchConceptsStop-signal taskObese femalesBrain activationCognitive controlAltered cerebral functionSupplementary motor areaSignal taskRegional brain activationInferior parietal cortexSaliency processingCerebral functionLean femalesMotor areaFunctional magnetic resonance imagesParietal cortexSimilar behavioral performanceImaging studiesStop trialsPreliminary imaging studyObesityMagnetic resonance imagesTrialsGreater activationResonance imagesResponse inhibition
2011
Deficits 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 misuse
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 analysisEngagementGender Differences in Cognitive Control: an Extended Investigation of the Stop Signal Task
Li CS, Zhang S, Duann JR, Yan P, Sinha R, Mazure CM. Gender Differences in Cognitive Control: an Extended Investigation of the Stop Signal Task. Brain Imaging And Behavior 2009, 3: 262-276. PMID: 19701485, PMCID: PMC2728908, DOI: 10.1007/s11682-009-9068-1.Peer-Reviewed Original ResearchRegional brain activationTrial reaction timeStop-signal taskCognitive controlBrain activationGo-trial reaction timesRight inferior parietal lobuleGender differencesReaction timeSub-cortical areasInferior parietal lobuleFunctional magnetic resonancePost-SEClinical conditionsControl disordersCortical activationClinical implicationsParietal lobuleInitiate studiesResponse inhibitionNeural processesSignal taskGreater activationWomenMen