Researchers grapple with the ethics of testing brain implants

In 2003, neurologist Helen Mayberg of Emory University in Atlanta began to test a bold, experimental treatment for people with severe depression, which involved implanting metal electrodes deep in the brain in a region called area 25. The initial data were promising; eventually, they convinced a device company, St. Jude Medical in Saint Paul, to sponsor a 200-person clinical trial dubbed BROADEN...DEVAMI

Source: http://www.sciencemag.org/news/2017/10/researchers-grapple-ethics-testing-brain-implants