A recent article published in BMC Medical Ethics explores the ethical aspects of brain-computer interfaces (BCI): an emerging technology where brain signals are directly translated to outputs with the help of machines. Here, two of the authors of the paper tell us more about the applications of BCI, its portrayal in the media, and some of the key ethical issues it raises.
Burwell S, Racine E. Ethical questions raised by brain-computer interfaces. BMC Series Blog. 2017:http://blogs.biomedcentral.com/bmcseriesblog/2017/12/18/ethical-questions-raised-by-brain-computer-interfaces/