Her brain could only handle one thing at a time.
His tiny human brain simply could not handle sufficient energy for everything at once.
These larger brains, however, must handle a much larger body.
And no human brain could handle the play required.
You have the ability and brains to handle it.
Why should she necessarily speak the soldiers' language merely because Blade's brain could now handle it?
Was there a maximum amount of information the brain could handle?
The number of relationships the human brain can handle is large but not unlimited.
But she already felt awful enough, and there was only so much despair her brain could handle.
"There's a mismatch and the brain can't handle this competing information."