If you are right-handed, you have more area on the left side of your brain devoted to controlling your right hand.

Question

Quizplus · Accepted Answer

This is a well-known fact in neuroscience. The left hemisphere of the brain is responsible for controlling the right side of the body, and the right hemisphere controls the left side of the body. Therefore, if you are right-handed, you have more neural connections and activity on the left side of your brain, which is responsible for fine motor control of the right hand.

If You Are Right-Handed, You Have More Area on the Left