Medically reviewed by Brigid Dwyer, MD The terms "left-brained" and "right-brained" refer to the two hemispheres of the brain's cerebrum. The left hemisphere generally focuses more on speech and ...

The left side of the brain picks up on the sounds ... Sperry determined that each side of the brain had specific functions based on the changes experienced by the study participants.

Sperry that says people have a dominant left or right brain side, which can influence their personality and the way they approach life. Curious to know which side is in charge up there?