Russian steeplechaser Roman Usov gone from Olympics due to Carphedon positive

Russian 3000M steeplechaser Roman Usov tested positive for Carphedon; looks like he won't be chasing any steeples in Beijing in 2008. The Australian carries the story.

Carphedon is a 'nootropic' or drug that allegedly enhances cognitive tasks (Wiki).

Carphedon is a derivative of the nootropic drug piracetam. It was developed in Russia, and a small number of low-scale clinical studies have shown possible links between prescription of carphedon and improvement in a number of encephalopathic conditions, including lesions of cerebral blood pathways, and certain types of glioma. It is also claimed to increase physical stamina and provide improved tolerance to cold. As a result, it appears on the lists of banned substances issued by the World Anti-Doping Agency...

Russian biathlon Olympic silver medalist Olga Pyleva in the 2006 Winter Olympics, who was disqualified from attending further events following a positive drug test. She was subsequently banned from competition for two years.

Speaking of cognition, what are the Russian athletes thinking with all the pre-Olympic doping?