2009
Functional Connectivity Delineates Distinct Roles of the Inferior Frontal Cortex and Presupplementary Motor Area in Stop Signal Inhibition
Duann JR, Ide JS, Luo X, Li CS. Functional Connectivity Delineates Distinct Roles of the Inferior Frontal Cortex and Presupplementary Motor Area in Stop Signal Inhibition. Journal Of Neuroscience 2009, 29: 10171-10179. PMID: 19675251, PMCID: PMC2769086, DOI: 10.1523/jneurosci.1300-09.2009.Peer-Reviewed Original ResearchConceptsMotor response inhibitionBasal ganglia circuitryPresupplementary motor areaInferior prefrontal cortexStop-signal inhibitionMotor areaRight inferior prefrontal cortexPrefrontal cortexResponse inhibitionSignal inhibitionRecent imaging literaturePrimary motor cortexMedial prefrontal cortexInferior frontal cortexMotor cortexFrontal cortexCortical areasPrimary siteVentral attention systemPreSMAGreater effective connectivityCortexFunctional interconnectivityPsychophysiological interactionGo trialsActivation 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
Subcortical processes of motor response inhibition during a stop signal task
Li CS, Yan P, Sinha R, Lee TW. Subcortical processes of motor response inhibition during a stop signal task. NeuroImage 2008, 41: 1352-1363. PMID: 18485743, PMCID: PMC2474693, DOI: 10.1016/j.neuroimage.2008.04.023.Peer-Reviewed Original ResearchConceptsMotor response inhibitionSubthalamic nucleusStop-signal reaction timeStop-signal taskResponse inhibitionShorter stop-signal reaction timesSignal inhibitionMagnetic resonance imaging studyGreater activationLonger stop-signal reaction timesSignal taskResonance imaging studyFunctional magnetic resonance imaging studySubcortical processesStop-signal inhibitionGroups of subjectsSubthalamic activityBasal gangliaSignal reaction timeThalamic nucleiCaudate headImaging studiesStop trialsMedial prefrontal activityCortical mechanisms
2007
Neural Correlates of Impulse Control During Stop Signal Inhibition in Cocaine-Dependent Men
Li CS, Huang C, Yan P, Bhagwagar Z, Milivojevic V, Sinha R. Neural Correlates of Impulse Control During Stop Signal Inhibition in Cocaine-Dependent Men. Neuropsychopharmacology 2007, 33: 1798-1806. PMID: 17895916, PMCID: PMC2731999, DOI: 10.1038/sj.npp.1301568.Peer-Reviewed Original ResearchConceptsRostral anterior cingulate cortexCocaine-dependent menFunctional magnetic resonance imagingCocaine dependenceResponse inhibitionNeural correlatesHealthy control subjectsRisk of relapsePre-supplementary motor areaSubstance use disordersAnterior cingulate cortexImpulse controlSignal inhibitionMagnetic resonance imagingUseful neural markersStop-signal inhibitionRelative hypoactivationMale patientsControl subjectsSignal reaction timeMotor areaYears of educationUse disordersCingulate cortexResonance imaging
2006
Gender differences in the neural correlates of response inhibition during a stop signal task
Li CS, Huang C, Constable RT, Sinha R. Gender differences in the neural correlates of response inhibition during a stop signal task. NeuroImage 2006, 32: 1918-1929. PMID: 16806976, DOI: 10.1016/j.neuroimage.2006.05.017.Peer-Reviewed Original ResearchConceptsStop-signal taskBrain activationResponse inhibitionGreater activationSignal taskAnterior cingulate cortexRegional brain activationNeural correlatesCognitive-motor tasksGender differencesFunctional magnetic resonanceStop-signal inhibitionMotor thalamusGlobus pallidusSubcortical areasYears of educationMotor circuitryCingulate cortexBrain regionsCaudate tailMotor tasksWomenSuccess rateLower statistical thresholdMen