![]() ![]() “But as a PhD student, I want to do more than just uncover its mysteries. “As a young student I was always curious about how the brain works,” says Seo-Hyun Lee, a neural engineer from the Department of Brain and Cognitive Engineering at Korea University, in Seoul, South Korea. Brain-computer interfaces (BCI) use electrical signals generated when a person imagines something, such as moving their arm, to control an external device, such as a robotic limb.īrain signals can be measured non-invasively using electroencephalography (EEG), a method that uses electrodes placed on the scalp. Since the 1990s neurologists and computer scientists have been using AI to bridge the gap between a person’s thoughts and the actions they wish to take. Now advances in technologies that convert brain activity into voice or text are paving the way for communication via brain signals that could provide a voice-free and hands-free means of communication, and hugely improve the lives of people with disabilities. However, some people are born without, or may suddenly lose, the ability to talk because of physical disability or disease. Electroencephalography (EEG) electrodes located on the scalp to capture brain signals.Īlthough smartphones and social media are becoming ever more integral to our lives, verbal communication remains the most common way people interact.
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