 Many new neurotechnologies enable us to monitor brain processes and increasingly, to understand how the brain gives rise to certain behaviors; others enable us to intervene in these processes, to change and perhaps to control behaviors, traits, or abilities. Although it will be impossible to fully canvass the range of questions neuroethics has thus far contemplated, discussion of the issues raised by a few neurotechnologies will allow me to illustrate the range of questions neuroethics entertains. The following is a not-exhaustive list of topics that fall under the general rubric of neuroethics.