ArticleMolecular psychiatry2023
Disentangling the role of NAc D1 and D2 cells in hedonic eating.
Article in Molecular psychiatry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 17 citations in OpenAlex.
- Article
- Nucleus Accumbens D1 Receptor Neurons Contribute to Emotional and Metabolic Adaptation to Chronic Hypoxia.Neuroscience bulletin · 2026Article
- Nucleus accumbens medial shell D1 and D2 medium spiny neurons signal the valence of conditioned stimuli in a sex-dependent manner.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Article
- Article
- Dopamine D2 receptor modulation of insulin receptor signaling in the central amygdala: implications for compulsive-like eating behavior.Molecular psychiatry · 2026Article
- Activation of dopamine D4 receptors in the nucleus accumbens shell increases motivation for palatable food and homeostatic feeding, whereas systemic blockade reduces feeding behavior in rats.Frontiers in psychology · 2026Article
- Article
- Article
- NAPE-PLD in the ventral tegmental area regulates reward events, feeding and energy homeostasis.Molecular psychiatry · 2024Article
- The nucleus accumbens in reward and aversion processing: insights and implications.Frontiers in behavioral neuroscience · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
Overeating is driven by both the hedonic component ('liking') of food, and the motivation ('wanting') to eat it. The nucleus accumbens (NAc) is a key brain center implicated in these processes, but how distinct NAc cell populations encode 'liking' and 'wanting' to shape overconsumption remains unclear. Here, we probed the roles of NAc D1 and D2 cells in these processes using cell-specific recording and optogenetic manipulation in diverse behavioral paradigms that disentangle reward traits of 'liking' and 'wanting' related to food choice and overeating in healthy mice. Medial NAc shell D2 cells encoded experience-dependent development of 'liking', while D1 cells encoded innate 'liking' during the first food taste. Optogenetic control confirmed causal links of D1 and D2 cells to these aspects of 'liking'. In relation to 'wanting', D1 and D2 cells encoded and promoted distinct aspects of food approach: D1 cells interpreted food cues while D2 cells also sustained food-visit-length that facilitates consumption. Finally, at the level of food choice, D1, but not D2, cell activity was sufficient to switch food preference, programming subsequent long-lasting overconsumption. By revealing complementary roles of D1 and D2 cells in consumption, these findings assign neural bases to 'liking' and 'wanting' in a unifying framework of D1 and D2 cell activity.
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