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 study