"And if my brain needs something to help me function better, why not use it?"
Your brain needs oxygen and that means you should breathe plenty of fresh air.
It was at times like this that the brain needed balming.
Their brains need time to adjust to the growing body.
"The brain needs to receive an image equal in size and height through each eye."
No brains needed there, just ride, point your lance, and charge.
The brain needs information which provides the experience of controlled movements, in order to respond with the ability to produce the same movement control.
I guess you could say, our brains need to play catch - up.
But the brain needs a tune-up every now and then, too.
I think your brain usually needs more than 1/10 second to clearly distinguish two events.