May 18, 2013
Cell Phone Use May Reveal Your 'Dominant Brain'
According to WebMD, new research suggests the dominant side of your brain may make the call on which ear you choose to use while talking on your cellphone.
The dominant side of your brain is where your speech and language center resides. Ninety-five percent of the human population is left-brain dominant, and those people tend to be right-handed. The opposite holds true for people who are right-brain dominant. In this study, scientists found that roughly 70 percent of those surveyed held their cellphone up to the ear that was on the same side as their dominant hand.
This insight into the way people use their cellphones could one day help doctors quickly and safely locate and protect a patient's language center before beginning a potentially risky brain operation, the researchers said.
Hemispheric Dominance and Cell Phone Use Michael D. Seidman, MD; Bianca Siegel, MD; Priyanka Shah, MD; Susan M. Bowyer, PhD JAMA Otolaryngol Head Neck Surg. 2013;139(5):466-470. doi:10.1001/jamaoto.2013.2889.
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