psychologist have always assume that the fashion emotions are organized in the brain is the same for all of us . But now , a raw studysuggests that left - handers process emotion in the diametric side of the head to rightfield - handers — which could change the way we retrieve about and care for genial disorders .
The research , contain out at The New School for Social Research in New York andpublished in PLoS One , reckon into how neural activity was distributed for approach motivation — the emotional movement to near or retire from strong-arm and social stimuli . For decennium , scientists have believed that approach motivation is processed mainly in the odd hemisphere of the Einstein , and withdraw motivation in the correct hemisphere .
Using electroencepahlography ( EEG ) to compare brain activity of participants , the researchers look into how approach motivation was processed by left- and right - handers . The results came as a surprise .
In right - handers , the brain activity was exactly as scientist had antecedently mistrust . In left - handers , however , it was whole flipped : attack motivation was processed in the right hemisphere , not the left . Daniel Casasanto , one of the research worker , explain to Medical Daily :
“ Approach motivation is computed by the hemisphere that ascertain the right-hand hand in rightfulness - handers , and by the hemisphere that controls the left script in unexpended - handers . We do n’t think this is a coincidence . nervous circuit for motive may be functionally link to circuits that control hand actions – emotion may be built upon neuronic circuits for action mechanism , in evolutionary or developmental time . ”
While it might not sound too big a deal , deliberate this : brain arousal used to treat condition like depression and anxiousness disorders target specific hemispheres of the psyche . Given these resultant , current treatments might be the exact opposite of useful for left over - handers — they could really be making them bad .
This is a preliminary study , of trend , and does n’t show anything causal — but if next work show the same results , differences in brain office with handedness could change the way we call back about emotion for goodness . [ PLoS OneviaMedical Daily ]
Image byPatryk Kosmider / Shutterstock
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