期刊
OBESITY RESEARCH
卷 13, 期 5, 页码 797-806出版社
NORTH AMER ASSOC STUDY OBESITY
DOI: 10.1038/oby.2005.90
关键词
restrained eating; dietary restraint; appetite; hunger; palatability
资金
- NHLBI NIH HHS [R01 HL073775] Funding Source: Medline
- NIDDK NIH HHS [R01 DK066759] Funding Source: Medline
Anti-dieting sentiment-has grown in recent years. Critics of restrained eating suggest that it evokes counter-regulatory responses that render it ineffective or even iatrogenic. However, restrained eaters are not in negative energy balance and overweight individuals show reduced eating problems when losing weight by dieting. A distinction is often drawn between physiological and psychological hunger, and neuroscience research. has shown that there is a neurophysiological reality underlying this distinction. The brain has a homeostatic system (activated by energy deficits) and a hedonic system (activated by the presence of,presence of highly palatable food palatable. food). The omnipresence of highly palatable food in the environment may chronically activate the hedonic appetite System, producing a need to actively restrain eating not just to lose weight but to avoid gaining it. Just as restricting energy intake below homeostatic needs produces physiological deprivation, restricting intake of palatable foods may produce perceived deprivation despite a state of energy balance. In summary, the motivation to eat more than one needs appears to be every bit as real, and perhaps every bit as powerful, as the motivation to eat When energy deprived.
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