128 153 2005k-636 brain cognitiveneuroscience computers consciousness controversialliterature dualism functionalism(psychology) general gödel hilary intentionality(philosophy) kurt mathematics medical mentalprocesses models neurological neuropsychology neurosciences philosophy philosophyofmind physiology psychophysiology putnam realism reference(philosophy) research sci000000 science truth wl103n864p2004 wl705s439r1992