困,是身体和精神产生疲劳的表现。其实只要你在玩和学习中投入同样的注意力,一段时间后都会感觉到疲劳。它们最大的区别在于:多数情况下,学习是边学边累,而玩是玩完了才累。好像很不公平?没辙,这是两者的奖励机制不同导致的。以电脑游戏为例,在很多的游戏进程中,各式各样的奖励不断出现,如经验、金钱、装备等,这些游戏的正面反馈,促进人脑内相关的神经递质如多 Sleepy is the manifestation of physical and mental fatigue. In fact, as long as you are playing and learning to put the same attention, after a period of time will feel tired. The biggest difference between them is: in most cases, learning is tired while learning, and playing is tired after playing. Seems very unfair? Mozhe, which is caused by the different incentives of the two. Take computer games as an example. In many game processes, various kinds of rewards such as experience, money and equipment continue to emerge. The positive feedback from these games promotes the neurotransmitters in the human brain such as many