Increased rate of P 300 latency prolongation with age in schizophrenia. Electrophysiological evidence for a neurodegenerative process. - O’Donnell,B.F.; Faux,S.F.; McCarley,R.W.; Kimble,M.O.; Salisbury,D.F.; Nestor,P.G.; et,a.l. (Arch Gen Psychiatry, 1995)