It has long been understand that right-handed people -- who make up about 90 percent of the population -- have left-hemisphere dominant brains, and left-handed people the reverse. But the division of labor isn't actually that simple. For some 95 percent of righties, the left hemisphere almost exclusively handles language and the right emotion and image processing, while for lefties, only 20 percent experience such strict division.
Now there may be a new way, apart from handedness, to determine one's cerebral dominance: the cell phone.
In a new study out of Henry Ford Hospital in Detroit, published in JAMA Otolaryngology-Head & Neck Surgery, … Read more