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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.
先跟朋友交談。然后再通過iphone與Siri交談。當你與機器互動時，腦部的功能會不會跟與人互動時不同？根據近期一個研究顯示，在人腦有一塊很小的區域專門用來處理人與人的關系——包括對別人撒謊。
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.
研究人員讓18位研究對象跟許多對手打撲克牌，對手有人也有機器。研究人員鼓勵參與者虛張聲勢——如果成功了就會得到獎金。
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?
有時會讓他們用反手出牌。研究人員評測玩家們的大腦功能性核磁共振信號。他們能通過大腦活動模式識別出哪個玩家將要哄騙別人？
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.
他們發現不論對象是在跟人打牌還是在跟機器打牌，儀器顯示之前確定的大多數腦部社交互動區域均亮起來。但是有一小塊叫做顳頂聯合區（或者TPJ）的區域，似乎在對象考慮對別人虛張聲勢時活躍起來。
The study was published in the journal Science.
這項研究發表在《科學》雜志上。
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說道：“與非社交信息相比，社交信息可能使大腦扮演不同的角色”至少在欺騙時是這樣。
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