专家们相信，酒精使大脑中纹状体兴奋，而这一区域对吸引力起重要作用。
Experts believe that alcohol stimulates the striatum, an area of the brain that plays an important role in attraction.
每当我们微笑时，神经和肌肉就会传递信息使大脑的快乐中心兴奋，莱尔德猜测说。
Whenever we smile, nerves and muscles may transmit messages that turn on happiness centers in the brain, Laird speculates.
浏览一个装饰好的节日橱窗或寻获一件市面上少见的玩具似乎会开启大脑的反映中心，刺激大脑化学物质的释放，使你达到购物的兴奋状态。
Peering into a decorated holiday window or finding a hard-to-find toy appears to tap into the brain's reward center, triggering the release of brain chemicals that give you a shopping high.
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