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- W995122276 abstract "In recent decades, obesity, bulimia, anorexia, and related eating disorders have increased, leading to concern. Sweetness and other food tastes are merely sensation, and their pleasure arises within the brain. This chapter discusses brain mechanisms for food reward and appetite evolved under pressures to protect us from scarcity. When eating patterns and body weight diverge from the norm, questions arise concerning the involvement of food reward systems in the brain. All eating patterns are controlled intimately by brain mechanisms of food reward, whether those mechanisms operate in normal mode or abnormal modes. Hedonic brain systems must actively paint the pleasure onto sensation to generate a “liking” reaction. This chapter reviwes recent discoveries in hedonic “liking” mechanisms, such as the location of opioid hedonic hotspots in nucleus accumbens and ventral pallidum that paint a pleasure gloss onto sweet sensation. It also considers other incentive motivation systems that mediate only a nonhedonic “wanting” component of reward, such as nearby limbic opioid “wanting” zones, mesolimbic dopamine contributions to incentive salience, and other components of brain limbic systems, and discusses potential roles in eating disorders. New spheres in this study can be opened by combining information from neuroimaging experiments and studies of eating in humans and information from brain manipulation and pharmacological experiments that ethically can be done only in animals." @default.
- W995122276 created "2016-06-24" @default.
- W995122276 creator A5071891435 @default.
- W995122276 date "2007-01-01" @default.
- W995122276 modified "2023-09-27" @default.
- W995122276 title "Brain Reward Systems for Food Incentives and Hedonics in Normal Appetite and Eating Disorders" @default.
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