Study: Left-handed People Could Be Getting Wrong Mental Health Treatment


Researchers say existing mental health treatments for left-handed people could be doing more harm than good, Newsmax reports.

A study conducted by Cornell University and published by in the journal Philosophical Transactions of the Royal Society, found the brain deals with emotions in left-handed people in an opposite way from right-handed people. And as a result, an electrical stimulation treatment for mental health that’s been used on both right-handed and left-handed patients since the 1970s could actually be harmful because it is based on research mostly carried out on right-handers.

“If you give left-handers the standard treatment, you’re probably going to make them worse,” Professor Daniel Casasanto, an associate professor at Cornell who led the study, explained in a statement. “And because many people are neither strongly right- nor left-handed, the stimulation won’t make any difference for them, because their approach emotions are distributed across both hemispheres. This suggests strong righties should get the normal treatment, but they make up only 50 percent of the population. Strong lefties should get the opposite treatment, and people in the middle shouldn’t get the treatment at all.” Read more at Newsmax.



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