We usually think of being "over the hill" at 40, but our brains may see the other side of the mountain even earlier when it comes to the speed of our motor skills.

A new study out of Simon Fraser University conducted experiments with over 3,000 participants playing video games to determine the peak of their cognitive development. They also looked at how we adapt as our brains get older.

Joe Thompson is one of the researchers of this study and joined us to share the findings.