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What Exactly Is Neuralink?

It’s been talked about for a while now, so lets find out exactly what it is.

Neuralink is a neurotechnology company founded by Elon Musk in 2016. The company’s goal is to develop high-bandwidth brain-machine interfaces (BMIs) that would enable people to communicate with computers and other devices directly through their thoughts.

Neuralink’s approach involves implanting tiny electrodes, called “neural threads,” into the brain to detect and transmit neural activity. These threads are much thinner than a human hair and are implanted using a surgical robot, which minimizes the risk of damage to the brain.

The neural threads are connected to a small, wireless device called the “Link,” which is implanted behind the ear and communicates with an external device, such as a smartphone, through Bluetooth. The Link can then be used to control devices, such as prosthetics or computers, using only the user’s thoughts.

The technology developed by Neuralink has the potential to revolutionise a wide range of fields, including medicine, communication, and entertainment. It could enable people with disabilities to communicate more easily and control prosthetics more precisely, and could even allow people to communicate telepathically with one another. However, the technology is still in the early stages of development and there are many technical and ethical challenges that must be addressed before it can be widely adopted.

The Neural threads

The Link device used by Neuralink which is implanted behind the ear does not provide electrical stimulation to the neural threads. Its main function is to wirelessly communicate with the implanted neural threads and collect data about neural activity.

The neural threads themselves are passive electrodes that do not require a power source. Instead, they detect and record electrical signals generated by neurons in the brain. These signals are then transmitted through the threads to the Link device, which processes the signals and sends them wirelessly to an external device, such as a computer or smartphone.

While some brain-machine interface technologies do use electrical stimulation to activate or inhibit specific regions of the brain, Neuralink’s approach focuses on detecting and interpreting neural activity, rather than directly modulating it with electrical stimulation.

Power for the Link device

The power for the Link device used by Neuralink comes from a rechargeable battery that is also implanted behind the ear, along with the device itself. The battery is designed to provide enough power to the Link for several hours of use before needing to be recharged.

To recharge the battery, the user can simply place a wireless charging pad over the area where the Link and the battery are implanted. The charging pad uses magnetic resonance coupling to wirelessly transfer power to the battery, without the need for any external wires or connectors.

The use of a rechargeable battery is a key feature of the Neuralink technology, as it allows the Link to be implanted for long periods of time without the need for frequent battery replacements. This is important, as the implantation process itself carries some risks and can be uncomfortable for the patient. By minimizing the need for additional surgeries, the technology could make brain-machine interfaces more accessible and practical for a wider range of patients.

Interference with brain processes

The potential for implants to interfere with brain processes is a major concern with any kind of brain-machine interface technology, including Neuralink’s. Any time a foreign object is introduced into the brain, there is a risk of inflammation, scar tissue formation, or other negative effects that could impact brain function.

To minimize the risk of interference, Neuralink uses very small, flexible electrodes that are designed to minimize tissue damage and inflammation. The company has also developed a surgical robot that can implant the electrodes with a high degree of precision, reducing the risk of damage to sensitive brain tissue.
Additionally, the Neuralink system is designed to be minimally invasive and modular. This means that the number of electrodes implanted can be adjusted based on the patient’s needs, and that the system can be easily removed or upgraded if necessary.

While the risks associated with brain-machine interfaces are still being studied, early results from animal studies and human trials have been promising. With continued research and development, it’s possible that brain-machine interfaces like Neuralink’s could provide significant benefits without causing significant interference with brain processes.

A human enhancement?

There is no doubt that the use of Neuralink’s technology could potentially be seen as a way to enhance certain aspects of human capabilities. For example, the technology could potentially allow people with paralysis to control prosthetic limbs with their thoughts, or enable individuals to communicate more easily and efficiently with computers or other devices.

However, as with any new technology, there are also potential risks and ethical considerations that need to be taken into account. For example, there are concerns about the privacy and security of data collected by brain-machine interfaces, as well as the potential for the technology to be used for purposes such as mind control or surveillance.
In addition, the use of brain-machine interfaces raises questions about what it means to be human, and whether enhancing our abilities through technology could change our fundamental nature in some way. These are complex issues that require careful consideration and discussion by researchers, policymakers, and the general public.

Overall, whether the use of Neuralink and similar technologies should be seen as enhancing humanity depends on one’s perspective and values. While the technology has the potential to offer significant benefits, it’s important to carefully consider the potential risks and ethical implications before fully embracing its use.

Information about Neauralink is in the public domain

Much of the gathered information about Neuralink and its technology is publicly available. Neuralink has presented its technology and research at several public events, and the company has also published scientific papers on its research in peer-reviewed journals.

In addition, Elon Musk, the founder of Neuralink, has discussed the company’s technology and goals in various interviews and public appearances, including on social media platforms like Twitter.
Some details about the technology and its development may also be proprietary or confidential, as is often the case with new and emerging technologies. It’s also important to note that as with any developing technology, there may be changes or updates to the information that is publicly available as research and development continues.

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