Which side of your brain gets the most use, the right or the left? Today, most people have come to believe that each hemisphere of the brain manages different tasks. If we favor one type of thinking over another, we could be classified as favoring left or right hemisphere strategies, making us “left-brained” or “right-brained.” Right-brained individuals, we’ve been led to believe, tend to be creative, curious, and intuitive, whereas left-brained individuals are more logical, methodical, and rational.

Source: The Truth About Being Left-Brained or Right-Brained | Psychology Today

I speak to a lot of corporate audiences.  Regardless of the topic I am speaking about, I get a lot of general psychology questions from the crowd.  The most popular question is about cognitive performance and aging.  People in their 50s and 60s begin to worry that they are not going to be able to keep up mentally with their younger colleagues. So, when does cognitive ability peak? As Joshua Hartshorne and Laura Germine discuss in a paper in the April, 2015 issue of Psychological Science (link is external)

Source: Are You in Cognitive Decline? | Psychology Today