... sciences of the mind often pose serious challenges, they also present us with opportunities: since the challenges theypose are often new versions of old challenges, they present us with the opportunity ... selfSome of the points made above with regard to both authenticity andto self-knowledge generalize to the question of the mechanization of the self. That is, some of the traditional means of changing ... of the financial reach even of much of the population of the developed world, at least in the absence of gov-ernment subsidy. Other possible neurological enhancement tech-nologies, such as the...