I am going to be pointing some of my blog posts to the RelentlessImprovement.com "Learn" page.
The info below comes from an article on my Learn page from the American College of Neuropsychopharmacology.
This is some very heavy reading and offers additional interesting findings about racetams, in this case nefiracetam. I have found nefiracetam to be similar in effect to pramiracetam in many aspects.
"Our observations are consistent with the idea that a chronic drug regimen or a complex environment induces a more robust memory pathway that can acquire and consolidate new information more efficiently. "
And they found persistance of benefits:
"moreover, that this benefit remains after drug withdrawal. "