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You talk to a friend. Then you talk to Siri on the iPhone. Does your brain function differently when interacting with a machine versus another person? According to a recent study, there might be one small brain region dedicated to dealing only with people—in order to lie to them.
先跟朋友交谈。然后再通过iphone与Siri交谈。当你与机器互动时，脑部的功能会不会跟与人互动时不同？根据近期一个研究显示，在人脑有一块很小的区域专门用来处理人与人的关系——包括对别人撒谎。
Researchers had 18 subjects play poker against a variety of human and computer opponents. The participants were encouraged to bluff—they’d get money if their bluffs were successful.
研究人员让18位研究对象跟许多对手打扑克牌，对手有人也有机器。研究人员鼓励参与者虚张声势——如果成功了就会得到奖金。
Sometimes they were given a weak hand. The researchers evaluated functional MRI signals of the players' brains. Could they tell by looking at the brain patterns whether the player was about to bluff a human?
有时会让他们用反手出牌。研究人员评测玩家们的大脑功能性核磁共振信号。他们能通过大脑活动模式识别出哪个玩家将要哄骗别人？
They found that most regions of the brain that have been previously identified with social interactions lit up regardless of whether the subject was playing a person or a machine. But one small region—the temporal parietal junction, or TPJ—seemed to activate only when participants contemplated bluffing another human being.
他们发现不论对象是在跟人打牌还是在跟机器打牌，仪器显示之前确定的大多数脑部社交互动区域均亮起来。但是有一小块叫做颞顶联合区（或者TPJ）的区域，似乎在对象考虑对别人虚张声势时活跃起来。
The study was published in the journal Science.
这项研究发表在《科学》杂志上。
Says study author Scott Huettel, “Social information may cause our brains to play by different rules than non-social information.” At least when it comes to deception.
研究作者Scott Huettel说道：“与非社交信息相比，社交信息可能使大脑扮演不同的角色”至少在欺骗时是这样。
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