Pt. 1: Life-span neuroethics. Conferring moral status on an embryo ; The aging brain -- Pt. 2: Brain enhancement. Better brains through genes ; Training the brain ; Shaping the smart brain with drugs -- Pt. 3: Free will, personal responsibility and the law. My brain made me do it ; Anti-social thoughts and the right to privacy ; The brain produces a poor autobiography -- Pt. 4: The nature of moral beliefs and the concept of universal ethics. The believing brain ; Toward a universal ethics.