2024
Brain correlates and functional connectivity linking stress, autonomic dysregulation, and alcohol motivation
Seo D, Martins J, Sinha R. Brain correlates and functional connectivity linking stress, autonomic dysregulation, and alcohol motivation. Neurobiology Of Stress 2024, 31: 100645. PMID: 38933283, PMCID: PMC11201348, DOI: 10.1016/j.ynstr.2024.100645.Peer-Reviewed Original ResearchAutonomic nervous system disruptionAlcohol use disorderFunctional magnetic resonance imagingHigh-risk drinkingSocial drinkersFunctional connectivityLow-risk drinkingAlcohol motivationAutonomic arousalDevelopment of alcohol use disordersNeural correlates of stressNon-dependent social drinkersWhole-brain correlation analysesResponse to stress exposureAlcohol taste testFrontal-striatal regionsStress-induced cravingVentromedial prefrontal cortexBehaviors associated with stressAnterior cingulate cortexDecreased functional connectivityExposure to stressAutonomic nervous systemAlcohol intakeHazardous alcohol useNeural Correlates of Stress and Alcohol Cue-Induced Alcohol Craving and of Future Heavy Drinking: Evidence of Sex Differences
Radoman M, Fogelman N, Lacadie C, Seo D, Sinha R. Neural Correlates of Stress and Alcohol Cue-Induced Alcohol Craving and of Future Heavy Drinking: Evidence of Sex Differences. American Journal Of Psychiatry 2024, 181: 412-422. PMID: 38706332, PMCID: PMC11117176, DOI: 10.1176/appi.ajp.20230849.Peer-Reviewed Original ResearchConceptsAlcohol use disorderPercentage of heavy drinking daysNeural correlates of stressCue-induced cravingHeavy drinking daysAlcohol cravingSex differencesCorrelates of stressDrinking daysAlcohol cue-induced cravingCue-induced alcohol cravingBed nucleus of the stria terminalisSubgenual anterior cingulate cortexAssessment of alcohol cravingHeavy drinkingAlcohol cue reactivityAssociated with poor treatment outcomesCue-induced responsesNeutral cue exposureAssociated with hypoactivationTreatment-seeking adultsHeavy drinking outcomesEvidence of sex differencesVoxel-based regression analysisAnterior cingulate cortex
2018
Hyperinsulinemia Invokes Greater Brain Perfusion in Reward and Motivation Regions in Obesity
GROSKREUTZ D, SINHA R, LACADIE C, LAM W, HAMZA M, SCHMIDT C, SEO D, HWANG J, BELFORT-DEAGUIAR R, LEVENTHAL J, ROSENBERG S, PARIKH L, CONSTABLE T, SHERWIN R, JASTREBOFF A. Hyperinsulinemia Invokes Greater Brain Perfusion in Reward and Motivation Regions in Obesity. Diabetes 2018, 67 DOI: 10.2337/db18-365-or.Peer-Reviewed Original ResearchCerebral blood flowElevated insulin levelsInsulin levelsFunctional magnetic resonance imagingLean humansObese humansHour oral glucose tolerance testOral glucose tolerance testSetting of hyperinsulinemiaGlucose tolerance testEuglycemic hyperinsulinemic clampEffect of hyperinsulinemiaAnterior cingulate cortexMagnetic resonance imagingWhole-brain analysisFood-seeking behaviorMiddle temporal gyrusMannKind CorporationCBF responseCNS effectsSatiety factorTolerance testBrain perfusionOB groupLN group
2016
Dynamic neural activity during stress signals resilient coping
Sinha R, Lacadie CM, Constable RT, Seo D. Dynamic neural activity during stress signals resilient coping. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 8837-8842. PMID: 27432990, PMCID: PMC4978278, DOI: 10.1073/pnas.1600965113.Peer-Reviewed Original ResearchConceptsDorsal anterior cingulate cortexVentrolateral prefrontal cortexResilient copingNeural activationPrefrontal cortexFunctional magnetic resonance imaging studyDorsolateral prefrontal cortex regionsNeutral visual stimuliVentromedial prefrontal cortexHealthy stress responseDynamic neural activityPrefrontal cortex regionsAnterior cingulate cortexFrequency of argumentsMagnetic resonance imaging studyResonance imaging studyVmPFC activationEmotional eatingNeural processesStress processingVisual stimuliViolent stimuliBinge alcohol intakeBrain networksRight insula
2007
Inhibitory control and emotional stress regulation: Neuroimaging evidence for frontal–limbic dysfunction in psycho-stimulant addiction
Li CS, Sinha R. Inhibitory control and emotional stress regulation: Neuroimaging evidence for frontal–limbic dysfunction in psycho-stimulant addiction. Neuroscience & Biobehavioral Reviews 2007, 32: 581-597. PMID: 18164058, PMCID: PMC2263143, DOI: 10.1016/j.neubiorev.2007.10.003.Peer-Reviewed Original ResearchConceptsInhibitory controlPrefrontal activityDrug seekingHabitual drug seekingCognitive inhibitory controlCompulsive drug seekingVentromedial prefrontal regionsFrontal-limbic dysfunctionStress-related cravingAnterior cingulate cortexStress regulationPsychological processesNeural underpinningsSalient stimuliStress processingPrefrontal regionsComponent processesStriatal responsesDrug use behaviorsCingulate cortexNeural systemsPsychostimulant dependenceUse behaviorsNeural pathwaysAddiction