“We are largely products of our social networks,” says a Yale researcher involved in controlled tests of our decision making. Studies show our decisions aren’t truly our own to control. We are subconsciously changed by those around us, even if we don’t know them.
The words you hear as an infant can alter your brain in ways that stick with you as an adult, even if you can’t consciously recall the language you heard. Canadian researchers found traces of Chinese in the brain activity of kids who were adopted as infants from China.