A Virtual Social Life Is Possible With Brain-Machine Interfaces

A major goal of the field of neuroprosthetics has focused on improving the lives of paralyzed patients by restoring their lost real-world abilities. However, fully mastering the brain-computer interface itself—the precise translation of a brain signal into an intended action—may require a much simpler, cheaper, and safer technology: virtual reality. Indeed, in many BMI projects, the initial training is based on virtual simulations: For instance, before attempting to control a real robotic arm, subjects first learn to control a virtual one. Initially, by taking part in simpler interactive communication spaces like chat rooms; later, by fully controlling 3D avatars in virtual spaces where they can shop, socially interact, or even play games. We’re now expanding our work to include the ability to control facial avatars, which will enrich virtual social interactions.