2012
Cumulative Adversity and Smaller Gray Matter Volume in Medial Prefrontal, Anterior Cingulate, and Insula Regions
Ansell EB, Rando K, Tuit K, Guarnaccia J, Sinha R. Cumulative Adversity and Smaller Gray Matter Volume in Medial Prefrontal, Anterior Cingulate, and Insula Regions. Biological Psychiatry 2012, 72: 57-64. PMID: 22218286, PMCID: PMC3391585, DOI: 10.1016/j.biopsych.2011.11.022.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexGray matter volumeCumulative adversityPrefrontal cortexLife eventsSmaller gray matter volumeAnterior cingulateMatter volumeCingulate regionsRecent stressful life eventsCommunity participantsHealthy community participantsCumulative life eventsStressful life eventsStress-related psychopathologyAdverse life eventsAnterior cingulate regionsChronic stress effectsInsula regionsLife traumaKey prefrontalMedial prefrontalCommunity sampleOrbitofrontal cortexRight insula
2011
Circulating glucose levels modulate neural control of desire for high-calorie foods in humans
Page KA, Seo D, Belfort-DeAguiar R, Lacadie C, Dzuira J, Naik S, Amarnath S, Constable RT, Sherwin RS, Sinha R. Circulating glucose levels modulate neural control of desire for high-calorie foods in humans. Journal Of Clinical Investigation 2011, 121: 4161-4169. PMID: 21926468, PMCID: PMC3195474, DOI: 10.1172/jci57873.Peer-Reviewed Original ResearchConceptsHigh-calorie foodsGlucose levelsHyperinsulinemic euglycemic-hypoglycemic clampsBrain regionsFunctional MRIMedial prefrontal cortexMedial prefrontal cortex activationRisk of overeatingLevels of glucosePostprandial reductionPrefrontal cortex activationObese subjectsNonobese individualsMild hypoglycemiaWorldwide epidemicCortex activationPrefrontal cortexFood cuesFood motivationFood stimuliNeural controlObesityInhibitory controlBehavioral measuresVisual cues