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Ghrelin influences novelty seeking behavior in rodents and men.
Hansson C, Shirazi RH, Näslund J, Vogel H, Neuber C, Holm G, Anckarsäter H, Dickson SL, Eriksson E, Skibicka KP. Hansson C, et al. Among authors: shirazi rh. PLoS One. 2012;7(12):e50409. doi: 10.1371/journal.pone.0050409. Epub 2012 Dec 5. PLoS One. 2012. PMID: 23227170 Free PMC article.
Divergent circuitry underlying food reward and intake effects of ghrelin: dopaminergic VTA-accumbens projection mediates ghrelin's effect on food reward but not food intake.
Skibicka KP, Shirazi RH, Rabasa-Papio C, Alvarez-Crespo M, Neuber C, Vogel H, Dickson SL. Skibicka KP, et al. Among authors: shirazi rh. Neuropharmacology. 2013 Oct;73:274-83. doi: 10.1016/j.neuropharm.2013.06.004. Epub 2013 Jun 14. Neuropharmacology. 2013. PMID: 23770258 Free article.