Why the octopus brain is so extraordinary - Cláudio L. Guerra
View full lesson: http://ed.ted.com/lessons/why-the-octopus-brain-is-so-extraordinary-claudio-l-guerra Octopuses have the ability to solve puzzles, learn through ...
========== What could octopuses possibly
have in common with us? After all, they don't have lungs, spines,
or even a plural noun we can all agree on. But what they do have is the ability
to solve puzzles, learn through observation, and even use tools, just like some other animals we know. And what makes octopus intelligence
so amazing is that it comes
from a biological structure completely different from ours. The 200 or so species of octopuses are mollusks
belonging to the order cephalopoda, Greek for head-feet. Those heads contain impressively
large brains, with a brain to body ratio similar
to that of other intelligent animals, and a complex nervous system with
about as many neurons as that of a dog. But instead of being
centralized in the brain, these 500 million neurons are sp...