. . "autophagic cell death" . . "neuronal death" . "programmed death" . "Neurotrophic theory" . "Programmed cell death" . . "programmed cell death" . . "cell death" . . . "cellular survival" . . "cellular aging" . . "death" . "cell senescence" . "Programmed cell death" . . . "senescence" . "programmed neuronal cell death" . . . .