Whether you're a left-handed artist or a right-handed accountant, we all use both sides of our brains. But is there any science behind the notion that the left half or our brain is the creative side while the right half is more logical? In this episode about your left and right brain, we're going to put you through a series of games and experiments designed to find out how the two sides operate, what they really control, and whether or not one side of your brain dominates the other.

• Neil Patrick Harris
• Keegan-Michael Key
• Cara Santa Maria