Treating the brain directly as a computer produces effect sizes medicine does not otherwise see — a deep brain stimulator takes a patient from unable to hold a cup of water to writing cursive in ten seconds.

It gives you these effect sizes that you just don't really see in medicine. Like if you have a patient on on a dopamineergic drug for Parkinson's that works for some period of time, but it's a it's a relatively small effect after a little while. You turn on a deep brain stimulator and a patient goes from not being able to hold a cup of water to being able to write cursive in like 10 seconds.