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 use
2023
Sex differences in neural responses to stress and drug cues predicts future drug use in individuals with substance use disorder
Smith K, Lacadie C, Milivojevic V, Fogelman N, Sinha R. Sex differences in neural responses to stress and drug cues predicts future drug use in individuals with substance use disorder. Drug And Alcohol Dependence 2023, 244: 109794. PMID: 36758371, PMCID: PMC10024802, DOI: 10.1016/j.drugalcdep.2023.109794.Peer-Reviewed Original ResearchConceptsSubstance use disordersDrug cuesFuture drug useDrug use daysCue exposureNeural responsesUse daysSex differencesVentromedial prefrontal cortexScript-driven imageryDrug cue exposureNeutral cue exposureWhole-brain analysisWhole-brain correlationUse disordersDrug use outcomesCue-induced anxietyBrain responsesHeart rateFMRI scansPrefrontal cortexDrug cravingDrug useBrain analysisBrain correlations
2022
Neural correlates linking trauma and physical symptoms
Choi J, Martins J, Hwang S, Sinha R, Seo D. Neural correlates linking trauma and physical symptoms. Psychiatry Research Neuroimaging 2022, 327: 111560. PMID: 36327865, PMCID: PMC9757618, DOI: 10.1016/j.pscychresns.2022.111560.Peer-Reviewed Original ResearchConceptsPhysical symptomsFunctional magnetic resonance imagingTrauma patientsLateral prefrontal cortexPrefrontal cortexPhysical symptom frequencyPain-related disordersMagnetic resonance imagingNeural correlatesPhysical health symptomsChronic painHealthy controlsTrauma groupSymptom frequencyDorsal striatumGreater physical symptomsSensorimotor areasCurrent studyHippocampal responsesVentromedial prefrontal cortexHealth symptomsHippocampal functionResonance imagingSymptomsUnderlying neurological mechanisms
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
2013
Disrupted Ventromedial Prefrontal Function, Alcohol Craving, and Subsequent Relapse Risk
Seo D, Lacadie CM, Tuit K, Hong KI, Constable RT, Sinha R. Disrupted Ventromedial Prefrontal Function, Alcohol Craving, and Subsequent Relapse Risk. JAMA Psychiatry 2013, 70: 727-739. PMID: 23636842, PMCID: PMC3788824, DOI: 10.1001/jamapsychiatry.2013.762.Peer-Reviewed Original ResearchConceptsHealthy control subjectsAD patientsControl subjectsInpatient treatmentAlcohol cravingAlcohol cuesBrain responsesRelapse riskAlcohol relapseHospital-based research unitAnterior cingulate cortex activationAlcohol-related cuesCommunity mental health centerVentromedial prefrontal functionChronic relapsing illnessVentromedial prefrontal cortexStress-induced cravingAbstinent alcohol-dependent patientsFunctional magnetic resonanceMental health centersAlcohol-dependent patientsSubsequent relapse riskNeural correlatesNeutral trialsHazard ratioDivergent neural substrates of inhibitory control in binge eating disorder relative to other manifestations of obesity
Balodis IM, Molina ND, Kober H, Worhunsky PD, White MA, Sinha R, Grilo CM, Potenza MN. Divergent neural substrates of inhibitory control in binge eating disorder relative to other manifestations of obesity. Obesity 2013, 21: 367-377. PMID: 23404820, PMCID: PMC3610836, DOI: 10.1002/oby.20068.Peer-Reviewed Original ResearchConceptsInferior frontal gyrusCognitive controlBED groupNeural correlatesStroop color-word interference taskColor-word interference taskRight inferior frontal gyrusVentromedial prefrontal cortexDivergent neural substratesFunctional magnetic resonanceInterference taskStroop performanceVmPFC activationDietary restraint scoresInhibitory processingDiminished abilityNeural substratesComparison participantsFrontal gyrusInhibitory controlBiobehavioral processesPrefrontal cortexDietary restraintBehavioral controlRelative hypoactivity