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 imagingIndividualsDivergent 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