The Brain Is Actually Two Completely Separate Organs

“New research led by Stanford Medicine reveals that what we call the brain is two distinct organs that evolved independently over hundreds of millions of years,” Stanford Medicine announced this week: The new research finding shows that the human brain consists of two ancient nervous systems cleverly packaged together — a more primitive part that regulates our hearts’ beating, our breathing and other functions, and another that makes us distinctly human, capable of poetry, mathematics and wondering about our own origins. The discovery could help explain why scientists have struggled for decade