This article reviews some of the definitions in circulation that reveal the varied perspectives and goals of the field of neuroethics. It discusses a brief taxonomy of neuroethical questions. It deals with two specific contentious issues, one clinical and one from social sciences and shows how neuroethicists can serve to inform and to protect. Neuroethicists need education that encompasses many domains. The study describes the academic grounding and qualifications that should be required and also considers the pivotal roles neuroethicists should (...) play. It contributes views that may help define the field of neuroethics and give structure and relevance to its activities. Finally, it concludes that neuroethicists are needed, now more than ever. (shrink)