1951- 2015d-172 amnesia angola biographies biography brain brazilians canada cerebral cerebrum christianity cognition coma dominance dreams drugabuse drugaddiction drugaddicts druguse druguselewis effectofdrugson fathersanddaughters fiction futurelife gazzaniga intellect intelligence life marcd medical michaels miracles mozambicans near-deathexperiences neurophysiology neurosciences neuroscientifiques patients physiology protestmovements psychological religiousaspects research split-brainprocedure splitbrain toxicomanes toxicomanie usagedesdrogueslewis wl300 womenphotographers