Countries have been trying gamification and incentivization to increase birth rates, when they should have been appealing to our pedantic impulses all along.

a finite number of states a brain can be in

there are infinite ways to arrange and configure finite neurons

computability of mental processes

are mental processes entirely computable though? you kind of run into a halting-problem-style issue because if you can compute your response to anything that should imply that you can never make a decision that surprises the computation. but if you feed knowledge of the computation's result into your decision making process you can just pick the opposite

but an infinite number of ways you could spend those resources