How do the wrinkles of the brain make the brain more efficient

Wrinkles in the brain increase the total surface of the brain while making it take up less space in your head. More surface area in the brain means that there is more neurons! More neurons means that the brain can function faster and process information quicker and take on more information at a time.

The wrinkles signify that the brain is compressed which makes it take up less space in your head which makes it more eficent I guess.