2015
Conflict anticipation in alcohol dependence — A model-based fMRI study of stop signal task
Hu S, Ide JS, Zhang S, Sinha R, Li CS. Conflict anticipation in alcohol dependence — A model-based fMRI study of stop signal task. NeuroImage Clinical 2015, 8: 39-50. PMID: 26106526, PMCID: PMC4473266, DOI: 10.1016/j.nicl.2015.03.008.Peer-Reviewed Original ResearchConceptsStop-signal reaction timeHealthy control individualsConflict anticipationAlcohol dependenceCognitive controlProactive controlSignal taskSequential effectsModel-based fMRI studyAlcohol consumptionStop signalPre-supplementary motor areaBilateral inferior parietal cortexPerigenual anterior cingulate cortexSignificant sequential effectInferior parietal cortexSignal reaction timeWhole-brain responsesAnterior cingulate cortexRecent alcohol consumptionNeural correlatesFMRI studyNeural markersMotor areaTrial onset
2009
Functional and Structural Connectivity Between the Perigenual Anterior Cingulate and Amygdala in Bipolar Disorder
Wang F, Kalmar JH, He Y, Jackowski M, Chepenik LG, Edmiston E, Tie K, Gong G, Shah MP, Jones M, Uderman J, Constable RT, Blumberg HP. Functional and Structural Connectivity Between the Perigenual Anterior Cingulate and Amygdala in Bipolar Disorder. Biological Psychiatry 2009, 66: 516-521. PMID: 19427632, PMCID: PMC2830492, DOI: 10.1016/j.biopsych.2009.03.023.Peer-Reviewed Original ResearchConceptsPerigenual anterior cingulate cortexHealthy comparison subjectsBipolar disorderFunctional magnetic resonance imagingDiffusion tensor imagingFunctional connectivityWhite matterFractional anisotropyHC groupPerigenual anterior cingulateAnterior cingulate cortexMagnetic resonance imagingGray matter structuresRegional fractional anisotropyWhite matter connectivityEmotional processingFunctional connectivity measuresSignificant positive associationBD groupComparison subjectsAnterior cingulateCingulate cortexResonance imagingSignificant associationBrain regions
2007
Greater activation of the “default” brain regions predicts stop signal errors
Li CS, Yan P, Bergquist KL, Sinha R. Greater activation of the “default” brain regions predicts stop signal errors. NeuroImage 2007, 38: 640-648. PMID: 17884586, PMCID: PMC2097963, DOI: 10.1016/j.neuroimage.2007.07.021.Peer-Reviewed Original ResearchConceptsSignal taskBehavioral adjustmentBrain regionsPost-error behavioral adjustmentCingulate cortexMidline brain regionsStop-signal taskPerigenual anterior cingulate cortexSignal detection theoryPosterior cingulate cortexAnterior cingulate cortexCortical brain regionsCognitive tasksStop successElicit errorsError processingNeural processesStop errorFMRI studyMental effortGreater activationPerformance errorsDetection theoryBilateral precuneusTask
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