The first group's brains began responding more to the high-sugar, high-fat desserts, showing notable activation in the dopaminergic system, the region in the brain responsible for motivation and reward.

第一组的大脑开始对高糖、高脂饮食做出更多反应，显示出多巴胺系统的显着激活，这是大脑中负责动机和奖励的区域。