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Notorious Monkeys are Curious Despite No Immediate Benefits

by Himabindu Venkatakrishnan on  February 13, 2015 at 8:46 PM Research News   - G J E 4
Notoriously curious monkeys are eager to find out more information like humans even if there are no immediate benefits, reveals a new study.
 Notorious Monkeys are Curious Despite No Immediate Benefits
Notorious Monkeys are Curious Despite No Immediate Benefits
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The findings offer insights into how a certain part of the brain shared by monkeys and humans plays a role in decision making, and perhaps even in some disorders and addictions in humans.

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The study, by researchers at the University of Rochester and Columbia University, shows that rhesus macaques have such robust curiosity that they are willing to give up a surprisingly large portion of a potential prize in order to quickly find out if they selected the winning option at a game of chance.

The researchers found the monkeys not only consistently selected the gamble that informed them if they picked a winner right away, but they were also willing to select that option when the winnings were up to 25 percent less than the gamble that required them to wait for the results.

According to the researchers, their study helps to build a broader understanding for how curiosity, information seeking, was processed and rewarded in the brain.

Like monkeys, when curious researchers evaluated what humans be willing to pay, or give up, to satisfy their curiosity, Benjamin Hayden, co-senior author of the study and professor in brain and cognitive sciences at the University of Rochester said.

And in the case of gambling, there was also the potential of a prize to factor in. So when humans make a choice, it depends on the sum of those two things: the gamble (the money you might win), and the value of finding out. And those two things need to be combined in order to make decisions about that gamble.

Earlier work suggested that these components are combined in the brain's dopamine system. This study looks at that one step earlier in the process, in a region of the brain called the Orbitofrontal cortex, or OFC.

The study is published in Neuron.

Source: ANI
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