While the new Will Smith movie has received mixed reviews from critics, Peggy Mason, a professor of neurobiology at the University of Chicago, is more concerned with the science behind the story than whether it's an Oscar contender. She joins us to discuss her thoughts on the film and to shed light on the dangers associated with concussions.

It's Brain Awareness Week -- a global campaign designed to highlight the importance of brain research. University of Chicago neuroscientist Peggy Mason is here to enlighten us all. Take a Brain Quiz!