比斯瓦斯通过诱发额外压力扩展了研究的范围。他要求参与者在携带购物袋的情况下品尝水果点心,以模拟在杂货店或食品店品尝食物样品时的情形。坐着和站着进食的参与者都表示,额外的负重使食物的味道变差了。这凸显了一种与身体压力相关的内在机制,而使得姿势对味觉评估产生影响的正是身体压力。
In addition, the team tested posture's impact on temperature perception. Participants were provided cups of hot coffee. Those standing up reported it not being as intense as those who were sitting down. However, they drank less than those sitting, suggesting physical stress suppresses appetite. Eating while standing can also help with long-term weight loss goals. Specifically, eating while standing (vs. sitting) leads to lower amount of consumption. Moreover, a standing position leads to greater physical stress, which in turn makes the heart pump more blood.
此外,研究团队还测试了姿势对温度感知的影响。参与者拿到了热咖啡,站着喝咖啡的人所评估的咖啡温度要低于坐着喝的人。不过他们喝掉的咖啡要比坐着的人少一些,这表明身体压力会抑制食欲。站着进食还有助于实现长期减肥目标。具体来说,站着吃饭(与坐着吃饭相比)会导致进食量较少。此外,站立姿势会导致更大的身体压力,这相应地会使心脏泵出更多的血液。
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