When it comes to rewards, one side of your brain can be motivated more than the other, according to a study
When it comes to rewards, one side of your brain can be motivated more than the other, according to a study.
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Psychologists used to think that motivation was a conscious process--You know you want something, so you try to get it.
But in a previous study, Mathias Pessiglione, of the Brain n Spine Institute in Paris, and his colleagues showed that motivation could be subconscious --u00a0when people saw subliminal pictures of a reward, even if they didn't know what they''d seen, they would try harder for a bigger reward.
The results of the study showed that motivation didn't have to be conscious --u00a0your brain could decide how much it wants something without input from your conscious mind.
But now, the new study ha shown that both halves of your brain don't even have to agree--Motivation can happen in one side of the brain at a time.
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For the new study, the researchers wanted to know if they could dig even farther down and show that one side of the brain could be motivated at a time.
The test started with having the subject focus on a cross in the middle of the computer screen.
Then the motivational coin - one euro or one cent - was shown on one side of the visual field.
People were only subliminally motivated when the coin appeared on the same side of the visual field as the squeezing hand.
For example, if the coin was on the right and they were squeezing with the right hand, they would squeeze harder for a euro than for a cent.
But if the subliminal coin appeared on the left and they were squeezing on the right, they wouldn't squeeze any harder for a euro.
The research showed that it is possible for only one side of the brain, and thus one side of the body, to be motivated at a time, said Pessiglione.
"It changes the conception we have about motivation. It's a weird idea, that your left hand, for instance, could be more motivated than your right hand," he added.
He said that this basic research helps scientists understand how the two sides of the brain get along to drive our behaviour.
The study is published in Psychological Science.
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