期刊
FUTURE NEUROLOGY
卷 8, 期 6, 页码 701-714出版社
FUTURE MEDICINE LTD
DOI: 10.2217/FNL.13.54
关键词
addiction; anorexia; bulimia; decision-making; food binging; reward; serotonin; serotonin receptors
资金
- ANR (AgenceNationale de la Recherche) [ANR-MNPS-09 09-024-01, ANR-SERFEED]
- University of Nimes (UNIMES)
- ADOR Foundation of UNIMES (Anorexia, Dependence, Obesity, Receptors)
In numerous pathological states, the brain can restrict food intake to a lethal level despite mounting requirements for energy as seen in adolescents with anorexia nervosa. How the brain reduces food intake to the point of death while eating is a cornerstone of survival that remains just as 'cryptic' as the association between anorexia and overeating. This review provides a recent snapshot of the neural underpinnings of the rewarding effects of anorexia that may compete with the adaptive decision-making process to eat, and with survival instinct. Among a plethora of factors, impaired activity of the serotonin receptors in the reward system underlies the ability of animals to self-impose food restriction, and the transition from under-to over-eating. However, the triumvirate association between serotonin, overeating and addiction appears unlikely. Considering the implication of the serotonin receptors in the hypothalamus, anorexia and bulimia nervosa could result from an impairment of a 'synchronic activity' between the autonomic and voluntary nervous systems.
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