2014
Heightened vagal activity during high-calorie food presentation in obese compared with non-obese individuals—Results of a pilot study
Udo T, Weinberger AH, Grilo CM, Brownell KD, DiLeone RJ, Lampert R, Matlin SL, Yanagisawa K, McKee SA. Heightened vagal activity during high-calorie food presentation in obese compared with non-obese individuals—Results of a pilot study. Obesity Research & Clinical Practice 2014, 8: e258-e265. PMID: 24847667, PMCID: PMC4031442, DOI: 10.1016/j.orcp.2013.05.006.Peer-Reviewed Original ResearchConceptsNon-obese individualsHigh-calorie food itemsVagal activityObese individualsHF-HRVHigh-frequency heart rate variabilityHeart rate variabilityConsumption of foodPalatable foodFood itemsAppetitive behaviorCue reactivityPilot studyFood presentationRate variabilityFood cuesFood deprivationObesePotential roleMood statesHRVFurther investigationPresentationInductionMood induction
2013
A pilot study linking reduced fronto–Striatal recruitment during reward processing to persistent bingeing following treatment for binge‐eating disorder
Balodis IM, Grilo CM, Kober H, Worhunsky PD, White MA, Stevens MC, Pearlson GD, Potenza MN. A pilot study linking reduced fronto–Striatal recruitment during reward processing to persistent bingeing following treatment for binge‐eating disorder. International Journal Of Eating Disorders 2013, 47: 376-384. PMID: 24729034, PMCID: PMC3986812, DOI: 10.1002/eat.22204.Peer-Reviewed Original ResearchConceptsBinge-eating disorderFunctional magnetic resonance imagingReward processingMonetary incentive delay taskInferior frontal gyrusIncentive delay taskBinge-eating statusMedial prefrontal cortexBrain reward circuitryNeural correlatesDelay taskSpecific brain regionsFrontal gyrusNeurobiological underpinningsOutcome phasePrefrontal cortexReward circuitryVentral striatumAnticipatory phaseBrain regionsTreatment outcomesDiminished recruitmentProcessingMagnetic resonance imagingIndividualsMonetary Reward Processing in Obese Individuals With and Without Binge Eating Disorder
Balodis IM, Kober H, Worhunsky PD, White MA, Stevens MC, Pearlson GD, Sinha R, Grilo CM, Potenza MN. Monetary Reward Processing in Obese Individuals With and Without Binge Eating Disorder. Biological Psychiatry 2013, 73: 877-886. PMID: 23462319, PMCID: PMC3686098, DOI: 10.1016/j.biopsych.2013.01.014.Peer-Reviewed Original ResearchConceptsReward/loss processingReward processingLoss processingVentromedial prefrontal cortex activityFunctional magnetic resonance imagingMonetary reward processingPrefrontal cortex activityBinge Eating DisorderVentral striatal activityNeural differencesNeural correlatesLoss taskLoss prospectsNeurobiological underpinningsCortex activityEating DisordersRegional activationVentral striatumBED groupAnticipatory phaseStriatal activityProcessingIndividualsOB groupObese individuals