肥胖成因的解釋——基于食物獎(jiǎng)賞研究的視角
[Abstract]:The formation and development of obesity is influenced by biological, psychological and social factors. Food reward plays an important role in the formation of obesity. Food is a natural reward. It refers to the body's innate hunger for and dependence on food. Food rewards include "wanting", "liking" and "learningreinforcement", each of which is represented by a corresponding neural pathway. Food rewards regulate the body's feeding behavior and thus regulate weight changes. At present, there are three theoretical models about the relationship between obesity and food reward: stimulus-sensitivity theory, reward excess theory and underreward theory. Using cross-sectional design, prospective research design and repeated measurement design in longitudinal subjects, using food picture clues and the technical method of giving delicious milkshake directly, the human brain imaging research provides evidence for the above three theoretical models from different sides. In addition, food rewards are regulated by genes. At present, researchers pay more attention to the regulation of dopamine D2 receptor gene Taq IA rs1800497 polymorphism and FTO gene rs9939609 polymorphism on food reward and weight change.
【作者單位】: 西南大學(xué)心理學(xué)部;認(rèn)知與人格教育部重點(diǎn)實(shí)驗(yàn)室;
【基金】:國(guó)家自然科學(xué)基金項(xiàng)目(31100758) 中央高;究蒲袠I(yè)務(wù)費(fèi)重點(diǎn)項(xiàng)目SWU1409116
【分類號(hào)】:B845
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