Rich and Co.

“The brain seems to be wired to seek some near optimality of cost and benefit,”

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Desrochers et al. show that how we form habits in everyday life may be driven by integrated cost-benefit signals in the striatum. 

The changes in firing of some neurons tracked with cost, measured in terms of the length of the path of the eye movements during a trial, while others correlated with reward.

Still others correlated with both cost and reward, and it was these neurons that sharpened their firing as the monkeys learned the habit and settled on a shorter, lower-cost eye movement pattern. “This strong correlation suggests that both reward and cost are represented in these neurons, and are driving the habit-forming behavior,”

 “This study suggests that we should not be blinded by reward. Reward is only one side of the coin. The other side is how much do you have to pay for it.”


Written by Rich and Co.

August 22, 2015 at 6:22 pm

Posted in Uncategorized

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