Methods of treating chronic post-traumatic encephalopathy (PTE) using regenerative approaches is described. In one embodiment, molecules with capability of stimulating endogenous neural stem cells is provided. In another embodiment, cell therapeutics are provided capable of addressing angiogenic deficits in patients suffering from PTE. In another embodiment, cells are utilized to induce activation of endogenous progenitor cells in the central nervous system of PTE patients. Furthermore, low level laser irradiation is disclosed as a means of treatment of PTE either through direct administration to CNS tissue for stimulation of endogenous progenitor cells and reparative processes, or together with administration of exogenous stem cells, whether autologous or allogeneic. In a further embodiment exogenous stem cells are pretreated with laser prior to administration.
