2024
Low‐calorie diet‐induced weight loss is associated with altered brain connectivity and food desire in obesity
Hoang H, Lacadie C, Hwang J, Lam K, Elshafie A, Rosenberg S, Watt C, Sinha R, Constable R, Savoye M, Seo D, Belfort‐DeAguiar R. Low‐calorie diet‐induced weight loss is associated with altered brain connectivity and food desire in obesity. Obesity 2024, 32: 1362-1372. PMID: 38831482, PMCID: PMC11211061, DOI: 10.1002/oby.24046.Peer-Reviewed Original ResearchFunctional magnetic resonance imagingIntrinsic connectivity distributionDiet-induced weight lossBrain connectivityAssociated with altered brain connectivityLow-calorie dietEating behavior changesShort-term low-calorie dietRight hippocampusTemporal cortexBrain networksWeight lossBrain clustersEffects of diet-induced weight lossGroup differencesFood desireGlucose levelsDiagnosis of type 2 diabetesBehavioral changesMagnetic resonance imagingType 2 diabetesBrainLeptin levelsFood intakeResonance imagingBrain 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
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
2010
Sex differences in neural responses to stress and alcohol context cues
Seo D, Jia Z, Lacadie CM, Tsou KA, Bergquist K, Sinha R. Sex differences in neural responses to stress and alcohol context cues. Human Brain Mapping 2010, 32: 1998-2013. PMID: 21162046, PMCID: PMC3236497, DOI: 10.1002/hbm.21165.Peer-Reviewed Original ResearchConceptsAnterior cingulate cortexMedial prefrontal cortexRostral anterior cingulate cortexAlcohol cue exposureOrbitofrontal cortexContext cuesNeural responsesFunctional magnetic resonance imagingSex differencesVentral striatum activityLeft dorsal striatumMiddle frontal gyrusMedial orbitofrontal cortexAlcohol-related behaviorsStress-related activationCognitive processingVentromedial PFCNeural correlatesSex-specific vulnerabilityNeural processingPersonalized stressStriatum activityAnterior insulaBrain responsesFrontal gyrus