2013
Changes in cerebral morphometry and amplitude of low-frequency fluctuations of BOLD signals during healthy aging: correlation with inhibitory control
Hu S, Chao H, Zhang S, Ide JS, Li CS. Changes in cerebral morphometry and amplitude of low-frequency fluctuations of BOLD signals during healthy aging: correlation with inhibitory control. Brain Structure And Function 2013, 219: 983-994. PMID: 23553547, PMCID: PMC3760988, DOI: 10.1007/s00429-013-0548-0.Peer-Reviewed Original ResearchConceptsDorsal lateral prefrontal cortexInferior parietal lobuleSupplementary motor areaFrontal regionsInhibitory controlCingulate cortexStop-signal reaction timeBilateral dorsal lateral prefrontal cortexGM volumeCognitive performance decreasesRight inferior parietal lobuleLow-frequency fluctuationsLateral prefrontal cortexSignal reaction timePosterior cingulate cortexAnterior cingulate cortexBlood oxygenation level-dependent (BOLD) signalLevel-dependent signalFamily-wise errorGray matter volumeRecent alcohol useCognitive challengesParietal lobuleSpontaneous neural activityVoxel-based morphometry
2009
Activation of the pre-supplementary motor area but not inferior prefrontal cortex in association with short stop signal reaction time – an intra-subject analysis
Chao H, Luo X, Chang J, Li CS. Activation of the pre-supplementary motor area but not inferior prefrontal cortex in association with short stop signal reaction time – an intra-subject analysis. BMC Neuroscience 2009, 10: 75. PMID: 19602259, PMCID: PMC2719646, DOI: 10.1186/1471-2202-10-75.Peer-Reviewed Original ResearchConceptsStop-signal reaction timeRight inferior prefrontal cortexStop-signal taskPre-supplementary motor areaShorter stop-signal reaction timesInferior prefrontal cortexSignal reaction timePrefrontal cortexResponse inhibitionMotor areaMiddle/posterior cingulate cortexMotor response inhibitionInferior frontal cortexRegional brain activationStop-signal inhibitionLonger stop-signal reaction timesInhibitory motor controlPosterior cingulate cortexMedial prefrontal cortexReaction timeGreater activityAttentional monitoringNeural processesSignal taskBrain activation
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