The links that you provide make o lot of bold, unsubstantiated claims (outright dismissing protein shedding as 'trivial' borders on funny) so I am not sure whether you are agreeing with me or disagreeing. They are also from the 90's and the understanding of the physiological complexity of the brain has changed a bit since then.
http://alcor.org/Library/html/MolecularRepairOfTheBrain.htm
http://alcor.org/Library/html/nanotechrepair.html