Ghrelin decreases sensitivity to negative feedback and increases prediction-error related caudate activity in humans, a randomized controlled trial - Pietrzak, Michal; Yngve, Adam; Hamilton, J. Paul; Asratian, Anna; Gauffin, Emelie; Löfberg, Andreas; Gustavson, Sarah; Persson, Emil; Capusan, Andrea J.; Leggio, Lorenzo; Perini, Irene; Tinghög, Gustav; et al. (Neuropsychopharmacology (New York, N.Y.), 2024)
Keywords: Addictive behaviors; Adult; Blindness; Caudate Nucleus - diagnostic imaging; Caudate Nucleus - drug effects; Caudate Nucleus - metabolism; Caudate-putamen; Computational neuroscience; Double-Blind Method; Feedback, Psychological - drug effects; Feedback, Psychological - physiology; Female; Ghrelin; Ghrelin - administration & dosage; Ghrelin - pharmacology; Humans; Image processing; Impulsive behavior; Magnetic Resonance Imaging; Male; Mental disorders; Neostriatum; Neuroimaging; Placebos; Predictions; Punishment; Reinforcement; Reversal learning; Reversal Learning - drug effects; Reversal Learning - physiology; Reward; Young Adult