OMG OMG! A 4th Grader in United States wants to know, "how old is the brain"
Here's an answer:
The brain evolved billions of years ago! Read More
If you define a brain as a group of neurons that work together to receive information and control behavior, (that's called cephalization) then you can consider the brain to first appear in small, many-celled orgnaisms, such as flatworms, about 600 million years ago.
Either way, the brain really is old!
Wow, the brain is so cool!
Hey, what's the one thing you wish you knew about the brain?