Quest GiggleHow many neurons are in the cerebellum?
69 billion. It is about a tenth of the brain's weight yet holds roughly four out of five of its neurons.
How close would your guess have been?
In the game we ask it like this: “How many billion neurons hide in the cerebellum, the brain's back lump?”
Type a number — scored exactly the way a round in the game is.
The answer
69billion
