"It can't read your mind" however watching the brain and determining simple things is already well established. Presumably the model with the electrode hairnet is not far off. Lots of potential, here.

The only reason pinball machines weren't banned (or were legalized) in most U.S. jurisdictions way back in the day was because they were a game of skill. How do redemption machines like this (that are computer controlled to only pay out some percentage of the time) skate by the anti-gambling laws?