i was trying to understand the basal ganglia. i do not understand the basal ganglia. i understand how they can cause all kins of problems when they don't work. and how we can help with that, with these ways of modulating activity but i think we really don't understand exactly what we are doing and i think the evidence is pointing more and more towards something we talked about which is plasticity and learning. and i think this probably will be a more important and profitable venture than trying to figure out what we have been studying to this point. and it is a big topic but that's what i think the answers will be. >> my colleague. >> i would like to see the kinds of logic we've heard tonight around this table applied more extensively to psychiatrist-- psychiatry. i think psychiatry is lacking in emphasis on anatomy, on how different regions function, electrofi electrofisologicalically. and i think that kind of thinking needs to happen on a routine basis and one of the things we were discussing before we came in here was to what degree it ought to be a common training