The study from Henry Ford Hospital in Detroit shows a strong correlation between brain dominance and the ear used to listen to a cell phone. According to the study, a left-brain thinker usually uses his/her right hand to hold your cell phone up to your right ear.
The study found that over 70 per cent participants held their cell phone up to the ear on the same side as their dominant hand. Left-brain dominant people, accounting for about 95 percent of the population, have their speech and language centre located on the left side of the brain. They are more likely to use their right hand for writing and other everyday tasks. And, right-brain dominant people are more likely to use their left hand to hold the phone in their left ear.
The study findings have several implications, especially for mapping the language centre of the brain. The study will be published online in JAMA Otolaryngology-Head and Neck Surgery.
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