"temporal association" is the point that shortly after infections, there is a stronger effect on intelligence. So you're saying "maybe people who get hit in the

"temporal association" is the point that shortly after infections, there is a stronger effect on intelligence. So you're saying "maybe people who get hit in the head with 2x4s are just dumber" and they're saying "that doesn't explain why they do so bad on cognitive tests right after they got hit". It's much stronger evidence that way.