(Mashable)
All those hours you spend on Facebook may be adding grey matter, signifying greater density, to the part of your brain linked to social skills. Or, perhaps, people with larger areas of the brain for social skills may just have higher than average Facebook friend counts.
That’s the chicken-and-egg problem researchers at University College London are grappling with after finding a connection between brain structure and Facebook activity. The study, published in Proceedings of the Royal Society B, was based on MRIs of a group of 165 adults who were asked to report the number of Facebook friends they have. (The study doesn’t delineate what is considered “high,” though it refers to Dunbar’s Number, which postulates 150 friends is the limit of the average person’s social circle.)
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