Reward, dopamine and the control of food intake: implications for obesity
By Nora D. Volkow, Gene-Jack Wang, R. Baler. Trends in Cognitive Sciences, 2010
1,308 citations recorded by the source corpus.
The ability to resist the urge to eat requires the proper functioning of neuronal circuits involved in top-down control to oppose the conditioned responses that predict reward from eating the food and the desire to eat the food. Imaging studies show that obese subjects might have impairments in dopaminergic pathways that regulate neuronal systems associated with reward sensitivity, conditioning and control. It is known that the neuropeptides that regulate energy balance (homeostatic processes) through the hypothalamus also modulate the activity of dopamine cells and their projections into regions involved in the rewarding processes underlying food intake. It is postulated that this could also be a mechanism by which overeating and the resultant resistance to homoeostatic signals impairs the function of circuits involved in reward sensitivity, conditioning and cognitive control.
Subfields: Clinical Psychology, Endocrine and Autonomic Systems, Nutrition and Dietetics
View Paper: https://www.semanticscholar.org/paper/4704f4988be9bdb458c2fec451bff37c0b51421d
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In Clinical Psychology
Citations in the corpus
- Pro v Con Reviews: Is Food Addictive? (2012, neutral): “ghrelin) increase it (see review (47)).”
- Taste and smell words form an affectively loaded and emotionally flexible part of the English lexicon (2016, neutral): “Linear model fits and 95% confidence intervals for context variability from (a) the Warriner et al. (2013) data set and (b) the Mohammad (2012) data set.”
- Food cue reactivity and craving predict eating and weight gain: a meta-analytic review (2015, neutral): “obesity (8,9,84,88,93,94) and low efficacy in weight loss interventions (95–100).”
- Behavioural Insights and (Un)healthy Dietary Choices: a Review of Current Evidence (2018, background): “That these foods are particularly rewarding is presumably linked to evolutionary reasons, as focusing on high energy in a food-scarce environment might be advantageous for survival (Volkow et al. 2011).”