You have a mouse that doesn't learn as well.

[Nimra Batool]

You have a mouse that doesn't learn as well. “Ooh! A genetic basis for intelligence!” What was much less appreciated in that landmark study that got Brain Pills picked up by the media left and right is take those genetically impaired mice and raise them in a much more enriched stimulating environment than your normal mice in a lab cage and they completely overcame that deficit. So when one says in a contemporary sense that “Oh this behavior is genetic” to the extent that Brain Pills that's even a valid sort of phrase to use what you're saying is there is a genetic contribution to how this organism responds to environment .

http://thedropnet.com/brain-pills/