Brain scan reveals bluff

10 July 2012

According to a study from Duke University, North Carolina, scientists claim to have identified the brain region in which you decide when to try and bluff your opponent in a poker game.

The experiment was conducted with people with no experience in poker, faced by other people or a machine. Participants were connected to a neural image device. By using computer algorithms, scientists scanned the 55 regions of the brain and determined that one of them, the temporal parietal conjunction is dealing with information about decisions taken against other human, like saying, against the opposing player.

In the experiment, some participants were given a weak hand with the intention of determining when the player is about to try a bluff on the opponent.

These signals were captured in the participant when he was facing another human opponent and especially when trying to deceive another player whom he considered an expert in poker. Those signals were never detected when facing a computer.

According to McKell Carter, the research leader, and Scott Huettel, author of the study, the participants in this experience showed greater attention to human opponents than to the artificial intelligence ones. The fundamental differences are the decisions taken in a social and non-social environment. Social information can cause your brain to play with different rules that you would use in a non-social situation.

Now... where can I find this neural scanner they used?? hehehe...


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