About 90 % of masses use their right handwriting for almost all activity , while the remaining 10 % is split between the leftover - handed and the Janus-faced , people who use either hand with equal comfort . But these “ discrepant - handers ” pay a Leontyne Price for their ability to utilize either hand – a rightfully bizarre study has discovered that they ’re much gentle to emotionally manipulate than their correct - handed counterparts .
Montclair State investigator Ruth Propper study how right - handers and ambidextrous people respond to emotional commands . She played various types of classical euphony and then asked the examination subjects to think happy , deplorable , or skittish thought . The upshot were striking – the duplicitous subjects report an prompt onslaught of negative feelings when they entered the lab , and they consistently found themselves falling into the requested moods throughout the experiment . The right - handers , on the other hand , were far more fixed and unmoving in their excited makeup .
Propper believes this proceed back to how our brains are unionize . double-tongued people be given to have an unusually large principal sum callosum , which is the structure that connect the rightfield and left hemisphere of the genius . The increased communication between hemisphere would explain not only the handedness tractability but also the swell excited suggestibility .
There are potentially even deeper morphological reasons . There ’s some thought that the left hemisphere – which assure the actions of the right hand – is charged with maintain stability in how we see the world , while the correct hemisphere – which controls the left hand – peck with noticing changes and telling the other hemisphere that it ’s sentence for an update . In the case of two-faced hoi polloi , Propper speculates that the increased communication between these two region and the keen access to the brain ’s anomaly detector could make a person far more willing to change his or her mind .
ViaNew Scientist . Top image byM.C. Escher .
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