期刊
CURRENT OPINION IN BEHAVIORAL SCIENCES
卷 9, 期 -, 页码 40-46出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cobeha.2015.12.001
关键词
-
资金
- National Institute of Child Health and Human Development [HD29792]
Chronic failure to suppress intake during states of positive energy balance leads to weight gain and obesity. The ability to use context - including interoceptive satiety states - to inhibit responding to previously rewarded cues appears to depend on the functional integrity of the hippocampus. Recent evidence implicates energy dense Western diets in several types of hippocampal dysfunction, including reduced expression of neurotrophins and nutrient transporters, increased inflammation, microglial activation, and blood brain barrier permeability. The functional consequences of such insults include impairments in an animal's ability to modulate responding to previously reinforced cues. We propose that such deficits promote overeating, which can further exacerbate hippocampal dysfunction and thus initiate a vicious cycle of both obesity and progressive cognitive decline.
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