Most of the issues concerning uses of stem cells in the brain are the same as any of the bioethical or purely ethical questions you will find regarding the use and research of stem cells. The field of stem cell research is a very new field which poses many ethical questions concerning the allocation of stem cells as well as their possible uses. Since most stem cell research is still in its preliminary phase most of the neuroethical issues surrounding stem cells are the same as stem cell ethics in general.