Ferrario, C. R. (2017). Food Addiction and Obesity. Neuropsychopharmacology, 42(1), 361. https://doi.org/10.1038/npp.2016.221
From the review article’s text: “Obesity-prone rats have greater excitability of medium spiny neurons in the NAc core prior to the development of obesity. Consumption of junk food produces an upregulation of calcium-permeable AMPA receptors.”