Either some scientist must have broken their wrist facepalming over this heading, or else it must be a scam. How have we suddenly advanced X00 years in our unde

Either some scientist must have broken their wrist facepalming over this heading, or else it must be a scam. How have we suddenly advanced X00 years in our understanding of the brain, to the point where our scans can reliably tell the difference between a brain expending slightly more energy in a vaguely defined volume and a brain fine tuned to deal with a specific problem? Of course, business owners would pay a great deal of money to make their hiring practices even 1% more "accurate," no matter how many candidates they end up rejecting because the computer says "No."