Brain-Computer Interfaces
Northwestern team develops wireless implant that ‘speaks’ to the brain with light
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Scientists at Northwestern University have created a soft, wireless brain implant that delivers patterned light directly to neurons, enabling mice to interpret these signals as meaningful cues without relying on sight, sound or touch. The fully implantable device uses an array of up to 64 micro-LEDs to generate complex activity patterns across the cortex, a development that could advance next-generation prosthetics and sensory therapies, according to Northwestern and Nature Neuroscience.
China has become the first country to approve a brain implant for commercial sale to treat disabilities. The device, NEO from Neuracle Medical Technology, enables paralyzed individuals to control a robotic hand using their thoughts. This move contrasts with slower progress in clinical trials in the United States and Europe.
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Rodney Gorham has become the longest user of a Synchron brain-computer interface, marking five years since its implantation. The device, designed for individuals with ALS, continues to offer him new functionalities. This milestone highlights ongoing advancements in neuroscience.