Stress-level glucocorticoids increase fasting hunger and decrease cerebral blood flow in regions regulating eating
Bini J, Parikh L, Lacadie C, Hwang JJ, Shah S, Rosenberg SB, Seo D, Lam K, Hamza M, De Aguiar RB, Constable T, Sherwin RS, Sinha R, Jastreboff AM. Stress-level glucocorticoids increase fasting hunger and decrease cerebral blood flow in regions regulating eating. NeuroImage Clinical 2022, 36: 103202. PMID: 36126514, PMCID: PMC9486604, DOI: 10.1016/j.nicl.2022.103202.Peer-Reviewed Original ResearchConceptsCerebral blood flowRegional cerebral blood flowBlood flowMetabolic hormonesRandomized double-blind cross-over designDouble-blind cross-over designStress level glucocorticoidsPrimary sensory cortexPerfusion magnetic resonanceCross-over designMedial temporal gyrusWhole-brain voxelMedial brainstemSaline daysOvernight infusionCBF responseHunger ratingsPlasma insulinGlucocorticoid effectsHedonic signalsObesity riskLimbic regionsFood intakeNeural regulationDistinct brain networks