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It's the latest fad in Silicon Valley. By reducing the brain's feel-good chemical known as dopamine – cutting back on things like food, sex, alcohol, social media and technology – followers believe that they can "reset" the brain to be more effective and appreciate simple things more easily. 这是硅谷的新风潮。通过减少大脑中使人感觉良好的化学物质多巴胺（减少接触食物、性、酒精、社交媒体和科技），拥护者们相信他们可以“重置”大脑，使其更高效，更容易欣赏简单的事物。 Some even go so far as avoiding all social activities, and even eye contact. 有些人甚至避开了所有的社交活动，甚至避开了眼神交流。 The exercise, dubbed "dopamine fasting" by San Francisco psychologist Dr Cameron Sepah, is now getting increasing international attention. But what exactly is it? And does it work? 被旧金山心理学家卡梅隆·赛帕博士称为“多巴胺斋戒”的这项活动，如今引起了国际社会的高度关注。但它到底是什么样的活动呢？它有效吗？ As someone who studies the brain's reward system, I'd like to share my knowledge with you. 作为一个研究大脑奖励机制的人，我想和你们分享一下我的见解。 Dopamine is a neurotransmitter – a chemical messenger produced in the brain. It is sent around the brain conveying signals related to functions such as motor control, memory, arousal and reward processing. | 
