Leigh, S. J., & Morris, M. J. (2018). The role of reward circuitry and food addiction in the obesity epidemic: An update. Biological psychology, 131, 31–42. https://doi.org/10.1016/j.biopsycho.2016.12.013
From the review article’s abstract: “The majority of obesity studies in animals have not measured addictive-like behaviours, but reports of such behaviours have been restricted to experiments using models of binge eating.”