‘Digital Bridge’: AI and Neuroscience Enable Paralyzed Man to Walk Using Only His Thoughts

Witness the remarkable achievement of a Swiss team of devoted neuroscientists, defying paralysis through groundbreaking brain-machine interfaces.

In a groundbreaking development, Gert-Jan Oskam, a 40-year-old from the Netherlands who suffered paralysis due to a cycling accident in 2011, has defied expectations and regained the ability to stand and walk with the help of a cutting-edge device. Despite the prognosis of never walking again, Oskam has achieved remarkable feats, such as climbing stairs and walking long distances. This achievement signifies a significant advancement in the field of AI, neuroscience, and the innovation of the “digital bridge” that instills hope in individuals living with paralysis.

Building Connections: Unveiling the Revolutionary ‘Digital Bridge’ Technology

The breakthrough is the result of dedicated work by Swiss neuroscientists focused on developing brain-machine interfaces for paralysis. Their recent innovation, called the “digital bridge,” aims to establish wireless communication between the brain and the paralyzed muscles that lose function after spinal cord injuries.

Professor Jocelyne Bloch, a neurosurgeon at Lausanne University Hospital, has pioneered a recent breakthrough in the field of neurotechnology. Previous advancements involved sending signals from a computer to the spinal cord to initiate movements resembling walking. However, these attempts resulted in somewhat robotic motions and necessitated external triggers such as buttons or sensors. In contrast, Prof. Bloch’s approach involves implanting electrodes in Gert-Jan Oskam’s brain to detect neural activity associated with leg movement. An algorithm processes these signals, converting them into electrical pulses that it then transmits to additional electrodes in Oskam’s spine. These pulses stimulate the nerves in the spinal cord, prompting the corresponding muscle movements.

Reviving Neural Connections: Brain-Spine Communication Restored

Professor Gregoire Courtine from the Swiss Federal Institute of Technology in Lausanne has confirmed the successful re-establishment of communication between the brain and the targeted region of the spinal cord that governs leg movement. The digital bridge translates Oskam’s thoughts into spinal cord stimulation, restoring voluntary leg movements.

Although the device does not achieve seamless strides, Oskam acknowledges that the implant grants him the ability to move more naturally, as the initiation and control of standing up and walking rely solely on his thoughts. The device generates signals that stimulate the necessary muscles, allowing for flexion at the hip, knee, and ankle joints.

Unlocking Potential: Maximizing Rehabilitation with Enhanced Techniques

Furthermore, the implant’s impact extends beyond enabling movement, as it has demonstrated the ability to enhance rehabilitation. After 40 training sessions, Oskam regained voluntary control over his legs even without activating the device. Courtine suggests that the reconnection between the brain and spine not only facilitates functional movements but also contributes to the regeneration of spinal nerves, ultimately leading to the recovery of lost motor control.

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Chris Griffin
Chris has had a career as an advisor to the tech industry, incubating start-ups in the tech industry. Welcoming Chris to contribute his expertise covering the latest things he sees in blockchain