2012
Task-Related, Low-Frequency Task-Residual, and Resting State Activity in the Default Mode Network Brain Regions
Zhang S, Li CS. Task-Related, Low-Frequency Task-Residual, and Resting State Activity in the Default Mode Network Brain Regions. Frontiers In Psychology 2012, 3: 172. PMID: 22661964, PMCID: PMC3362743, DOI: 10.3389/fpsyg.2012.00172.Peer-Reviewed Original ResearchDefault mode networkPosterior cingulate cortexBlood oxygen level-dependent (BOLD) signalLow-frequency fluctuation (fALFF) signalsLevel-dependent signalStop-signal taskCingulate cortexBrain regionsBrain functionTask-related eventsFractional amplitudePrecuneusMode networkDMN regionsSignal taskDMN activityBrain activityCognitive performanceUseful indexLatter findingRestingDMN responseTask eventsTask conditionsFALFF
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 ResearchConceptsVentral 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 misuse