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