Brain Implants: Future to reverse paralysis

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 The concept of brain implants, also known as neural implants or brain-computer interfaces (BCIs), is an active area of research and development in neuroscience and engineering. Brain implants are designed to establish a direct communication pathway between the brain and external devices, such as computers or prosthetic limbs. While the technology is still in its early stages, significant progress has been made, and various applications are being explored.

Brain implants have been successfully used in clinical settings to assist individuals with certain medical conditions. For example, deep brain stimulation (DBS) implants are used to treat Parkinson's disease and other neurological disorders by delivering electrical impulses to specific regions of the brain. Ethical considerations and potential risks associated with brain implants are also important aspects that need to be addressed. As the field advances, there will be ongoing discussions and regulations to ensure the responsible development and use of these technologies.

Figure: Design, technology and implantation of the  brain-spine interface (BSI)
Source: https://www.nature.com/articles/s41586-023-06094-5/figures/1 

It is truly remarkable that an individual with persistent tetraplegia was able to regain the ability to stand and walk normally in public after the establishment of communication between the brain and spinal cord through a digital bridge. The brain-spine interface (BSI), consisting of implanted recording and stimulation systems, creates a direct connection between cortical signals and the analog regulation of epidural electrical stimulation in the specific regions of the spinal cord responsible for walking.


References:
  • Lorach, H., Galvez, A., Spagnolo, V. et al. Walking naturally after spinal cord injury using a brain–spine interface. Nature (2023). https://doi.org/10.1038/s41586-023-06094-5 
  • Dow Jones & Company. (2014, March 17). The future of brain implants. The Wall Street Journal. https://www.wsj.com/articles/the-future-of-brain-implants-1394839583 




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