When Experience is Useless

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US neuroscientists published details of experiments on rats, showing that in certain unpredictable situations, they stop trying to make decisions based on past experience. Instead, a circuit in their brains switches to “random mode”. The researchers’ hunch is that this serves a purpose: past experience is usually helpful, but when uncertainty levels are high, it can mislead, so randomness is in the rats’ best interests.


You gotta know when to hold ‘em, know when to fold ’em, and know when to just say fuck it and do something random.

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