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• W2115957240 abstract "Brain reward systems mediate liking and wanting for food reward. Here, we explore the differential involvement of the following structures for these two components: the ventral and dorsal striatopallidal area, orbitofrontal cortex (OFC), anterior insula and anterior cingulate. Twelve healthy female participants were asked to rate pleasantness (liking of food and non-food odors) and the desire to eat (wanting of odor-evoked food) during event-related functional magnetic resonance imaging (fMRI). The subjective ratings and fMRI were performed in hunger and satiety states. Activations of regions of interest were compared as a function of task (liking vs wanting), odor category (food vs non-food) and metabolic state (hunger vs satiety). We found that the nucleus accumbens and ventral pallidum were differentially involved in liking or wanting during the hunger state, which suggests a reciprocal inhibitory influence between these structures. Neural activation of OFC subregions was correlated with either liking or wanting ratings, suggesting an OFC role in reward processing magnitude. Finally, during the hunger state, participants with a high body mass index exhibited less activation in neural structures underlying food reward processing. Our results suggest that food liking and wanting are two separable psychological constructs and may be functionally segregated within the cortico-striatopallidal circuit." @default.
• W2115957240 created "2016-06-24" @default.
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• W2115957240 creator A5071077128 @default.
• W2115957240 creator A5088922433 @default.
• W2115957240 date "2014-07-08" @default.
• W2115957240 modified "2023-10-13" @default.
• W2115957240 title "Reward for food odors: an fMRI study of liking and wanting as a function of metabolic state and BMI" @default.
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• W2115957240 doi "https://doi.org/10.1093/scan/nsu086" @default.
• W2115957240 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4381239" @default.
• W2115957240 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/24948157" @default.
• W2115957240 hasPublicationYear "2014" @default.
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