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[AI Library] Chapter 18. Conclusion: Preparing for a Connected Future
Brain Readers: Neuralink and the Final Human Revolution
Chapter 18. Conclusion: Preparing for a Connected Future
Kim Kyung-jin
A. The BCI Commercialization Roadmap: Mass Production Prospects for 2026
The moment the clock struck midnight on December 31, 2025, Elon Musk posted a brief message on his social media platform X. "Neuralink will begin mass production of brain-computer interface devices in 2026 and transition to a nearly fully automated surgical procedure." That single sentence, chosen as his first message of the new year, compressed a hundred years of neuroscience into a few words.
On the ochre plains of Del Valle, just outside Austin, Texas, a new factory is going up. Reminiscent of Tesla's Gigafactory, the facility is preparing to produce thousands of coin-sized brain implants per year. Exactly 102 years after Hans Berger attached electrodes to his son's scalp and watched a galvanometer needle tremble in 1924, humanity is entering an era of translating the brain's electrical whispers into the language of industry.
The 2026 roadmap hinges on three transitions. The first is the shift from manual work to automation. Neuralink's surgical robot R1 currently requires significant involvement from human medical staff to insert 64 electrode threads into the brain. The 2026 system Musk has previewed is different. He added that the device's threads will be able to pass directly through the dura without removing it. This technical leap will not only cut surgical time dramatically but also reduce trauma to brain tissue, making the procedure accessible to far more patients.
The second is the shift from laboratory to factory. As of September 2025, only 12 people worldwide had received a Neuralink implant. That number is smaller than a group of lottery winners. But mass production changes the equation. Neuralink's waiting list already has more than 10,000 registrants. MEMS (micro-electromechanical systems) technology borrowed from semiconductor manufacturing, combined with roll-to-roll production methods, has the potential to bring the cost per implant down from hundreds of thousands of dollars to just a few thousand. Experts predict the cost per device could fall below $5,000 by around 2026.
The third is the shift from treatment to restoration. The first human clinical trial of the Blindsight project is scheduled for 2026. The project aims to restore perception of light and shapes to people who have completely lost their sight by delivering electrical stimulation to the visual cortex. The FDA has already granted the technology Breakthrough Device designation. An era of multiple implants spanning the motor cortex, visual cortex, and language cortex is opening up.
Competitors are also closing the gap, with 2026 marking a turning point. Synchron has already implanted its Stentrode in 10 patients in the United States and Australia and reported that the COMMAND study found no serious device-related adverse events over 12 months. CEO Tom Oxley said he is preparing a pivotal clinical trial for FDA approval. Paradromics received
FDA approval for a clinical trial in speech restoration in November 2025. Precision Neuroscience's Layer 7 device obtained 510(k) clearance in April 2025, qualifying it for commercial use in temporary implants of 30 days or less.
China's moves cannot be ignored either. The China Brain Project has set goals of transitioning laboratory technologies into clinical and industrial applications by 2027 and nurturing two or three globally competitive companies by 2030. Research institutes in Beijing and Shanghai are establishing industry standards covering both non-invasive and invasive technologies. 2026 will be the year the competition between the United States and China over neurotechnology supremacy begins in earnest, going beyond a race over technology alone.
Behind the optimistic outlook, however, a pile of unresolved challenges remains. Studies have shown that with the Utah Array, more than 60 percent of electrodes lose their signal within a year. Scar tissue that forms around brain tissue blocks the signal. In Noland Arbaugh's case, some electrode threads retracted from the brain within weeks of surgery, reducing the number of functioning electrodes. Neuralink compensated for this problem through algorithm adjustments, but long-term stability over 10 or 20 years has yet to be proven.
2026 will be the inflection point where BCI crosses from the realm of possibility into the realm of scalability. Morgan Stanley has projected the initial BCI market at $80 billion, with potential growth to $320 billion as the technology matures. An era is dawning in which a paralyzed patient controlling a computer with thought alone, or a blind person seeing points of light again, is no longer a miracle but a medical option. Yet who will have access to this technology, under what conditions, and at what price remains an open question.
B. The Legal and Social Consensus We Must Build
On April 18, 2024, Colorado Governor Jared Polis signed a bill into law. It was the first law in the United States to classify brain data as sensitive personal information and protect it accordingly. State Representative Cathy Kipp, who introduced the bill, said: "No one knows what will be readable from data collected today five years from now. The technology is advancing that fast."
Three years earlier, in 2021, Chile became the first country in the world to enshrine neurorights in its constitution. It elevated the right to protection of brain activity and information derived from it to a fundamental right. The three-year gap between these two events shows how hard the law and ethics are struggling to keep pace with the speed of technology. Now that BCI is entering the commercialization stage, we face questions of legal and social consensus far more complex than the technical challenges.
The most urgent task is to legally define the concept of mental privacy. Until now, privacy has concerned what I wrote, what photos I took, what places I visited. But privacy in the BCI era encompasses unspoken thoughts, unconscious emotions, even fragments of dreams. According to a report by the Neurorights Foundation, 29 out of 30 neurotechnology products available for purchase online can access brain data, and none place meaningful restrictions on its use. Nearly every product can share data with third parties.
As of 2025, four U.S. states, Colorado, California, Montana, and Connecticut, have enacted neural data protection laws. California's SB 1223, effective January 1, 2025, classifies neural data as sensitive personal information and grants consumers the right to request, delete, and restrict the sharing of their brain data. These laws protect the data itself, but they do not regulate the algorithms or AI that interpret it. Beyond the boundaries of the law, brain data can still become a commodity.
The second task is to develop new legal doctrines around agency. Suppose someone uses a BCI to move a robotic arm and injures another person. Was it the user's intention, a malfunction of the AI algorithm, or manipulation through hacking? The day is not far off when the defense "my brain didn't do it, the chip malfunctioned" appears in a courtroom. In situations where a machine intervenes in a person's decision-making process, the question of how to distribute legal liability goes beyond product liability law and demands a philosophical redefinition of free will.
The third task is to reach societal agreement on the permissible scope of neural surveillance. In some countries, EEG headbands that monitor students' concentration levels are already being used in classrooms. This system, piloted in certain schools in China, analyzes students' brainwaves in real time and alerts teachers to students who are not paying attention. Attempts to monitor workers' fatigue levels in real time are also emerging. We have already seen with smartphones and social media how these technologies blur the line between "voluntary use" and "de facto coercion." Clear guidelines are needed on how far collection and use of neural data should be permitted in employment, education, and insurance.
The fourth task is to guarantee equity of access. The current cost of a Neuralink implant has not been disclosed, but estimates put it in the hundreds of thousands of dollars. Even as mass production brings prices down, the wealthy are likely to be the only ones who benefit in the early stages. When BCI technology expands beyond treatment into the domain of cognitive augmentation, our society risks splitting into "augmented humans" and "natural humans." A Morgan Stanley report warned that this technology could have impacts on healthcare, gaming, defense, investing, and the future of the human race that society is not prepared for.
The fifth task is international regulation of military use and dual-use applications. Major powers including the United States and China are already developing BCI for military purposes. DARPA's Brain Initiative is a prime example where research goals and military objectives coexist. Technologies that connect soldiers' brains to boost combat capabilities or hack an enemy's brain to sow confusion could render existing rules of warfare obsolete. Just as nuclear and biochemical weapons are regulated, international treaties are needed to prevent the military misuse of neurotechnology.
In 2025, U.S. Senators Chuck Schumer, John Cornyn, and Ron Wyden proposed the MIND Act to regulate BCI. The bill asks the Federal Trade Commission (FTC) to closely examine long-term use policies for BCI. In June 2025, the American Medical Association (AMA) called for stronger regulation of neural data. The law moves slowly, but it is moving.
What we must prepare for is defining the limits of technology before technology defines us. In an era when brain data is transmitted to the cloud and machines interpret human intentions, building defenses to protect human dignity and freedom is a task that should be completed before 2026.
C. Ten Questions for Evaluating BCI News
The flood of BCI-related news every morning sometimes sounds like a hymn of hope, sometimes like a dystopian warning. A single Elon Musk tweet sends related stock prices swinging, and sensational headlines about "doing everything with thought alone" are everywhere. Anna Wexler, a medical ethicist at the University of Pennsylvania, warns: "It is rare in medicine to see this kind of willingness to hype. With Neuralink, there is a gap between what the CEO claims and what the company is actually doing."
To sort truth from noise, you need to become a critical reader. Here are ten essential questions to ask whenever you encounter BCI news.
First, is it invasive or non-invasive? You need to determine whether the technology in the news involves opening the skull and implanting electrodes in the brain, accessing it through blood vessels, or wearing something like a headband. The more invasive the approach, the more accurate the signal but the greater the risk; the less invasive, the safer but the less precise the signal. This is exactly the difference between Neuralink and Synchron. Neuralink inserts 1,024 electrodes directly into brain tissue, while Synchron places a stent on the surface of brain blood vessels via the jugular vein. Behind the identical headline of "control with thought alone," the underlying technologies are completely different.
Second, is it treatment or augmentation? You need to distinguish whether the technology restores lost function for a paralyzed patient or improves a healthy person's abilities. Most achievements to date are focused on medical restoration. Noland Arbaugh playing chess and Mario Kart means he can once again do things he was unable to do for eight years. But a healthy person downloading memories or installing a foreign language in the brain is still a story for the distant future. You should ask whether the article's purpose is to improve a patient's life or to stimulate consumer desire.
Third, where does the data come from? You need to check who is making the announcement. Is it a peer-reviewed journal article, or a company press release or YouTube demonstration? Corporate announcements may exaggerate results to attract investment. Synchron's 2024 COMMAND study results were presented at a neurosurgery conference and included 12-month follow-up data on six patients. That is a different level of verification from a YouTube video of a monkey playing Pong.
Fourth, who owns brain data? Who owns the brain data collected by the devices mentioned in these articles? According to a survey by the Neurorights Foundation, 29 out of 30 commercially available neurotech products can access brain data, and nearly all of them can share it with third parties. We need to check whether the principle of "My Brain, My Data" is being upheld, and reclaim data sovereignty hidden in the fine print of terms and conditions.
Fifth, did the AI interpret it, or did the brain do it directly? We must distinguish whether a user's thoughts directly controlled a device, or whether AI guessed the brain signals and acted on the user's behalf. Current BCI systems read brain signals and then use machine learning algorithms to interpret intent. If generative AI stepped in to complete a sentence
or draw a picture, that cannot be considered entirely the user's intention. We must be wary of the Illusion of Agency.
Sixth, are safety and reversibility guaranteed? Can the device be removed? If the company goes bankrupt or the technology is updated, what happens to the chip implanted in the brain? A 2025 report by the U.S. Government Accountability Office (GAO) pointed to cases where some clinical trial participants had to have their BCIs removed after the trial ended because no funding or medical support was provided. We should check whether there is any mention of long-term infection risks or the possibility of brain tissue damage.
Seventh, is security assured? Is this device safe from hacking? A wirelessly connected brain can become a target for cyberattacks. Are there defenses in place against brain-tapping, where brain signals are intercepted, or brain-jacking, where manipulated signals are sent to the brain? The risks of neurohacking are still absent from most BCI news coverage.
Eighth, what about cost and accessibility? How much does this technology cost? Is insurance coverage available? If the price tag runs into hundreds of thousands of dollars, this could be a technology reserved for a wealthy few. The GAO report noted difficulties in communicating with the Centers for Medicare and Medicaid Services (CMS) under the U.S. Department of Health and Human Services, and recommended that insurance policies and reimbursement structures for BCI be established.
Ninth, are there psychological or personality changes? Do device users report feeling "not like myself," or are there side effects involving personality changes? Research on how brain stimulation affects emotions and identity is still in its early stages. Some Parkinson's disease patients who received deep brain stimulation (DBS), where electrodes are implanted deep in the brain, have reported experiencing confusion about their sense of identity.
Tenth, what is the long-term roadmap? Is this news a one-off achievement, or part of a clear long-term plan? We need to examine whether the plans for one year and five years ahead are concrete, and whether those plans include ethical considerations. Media hype and some enthusiastic CEOs have promised everything from depression treatment to memory storage and replay. When unrealistic expectations are built up and then unmet, they can trigger backlash or funding collapses. This is precisely the trap that Gartner's Hype Cycle warns about.
These ten questions will serve as an anchor to keep you grounded amid the massive wave of BCI. Apply this checklist every time you read the news. The ability to tell innovation from exaggeration is a basic form of literacy for citizens living in the age of brain data.
D. Civic Literacy and Critical Thinking in the Age of Brain Data
In 2014, Phil Kennedy, a 67-year-old neurologist, was staring up at the ceiling of a surgical room in Belize. Known as the "father of cyborgs" after enabling a locked-in syndrome patient to move a computer cursor with thought alone in 1998, he had made a desperate choice after U.S. regulators shut down his research. To continue 29 years of work, he paid $25,000 to have electrodes implanted in his own brain. After an eleven-and-a-half-hour surgery, complications left him temporarily unable to speak. But when he silently moved his lips, signals fired from 65 neurons in his motor speech cortex showed patterns identical to those produced when he actually spoke aloud. It was evidence that imagined speech could be captured and decoded.
Kennedy's self-experiment drew heavy criticism, but it also served as a proof of concept. And his story raises a question that matters for citizens who will live through the BCI era: in an age when brains and machines talk directly to each other, what kind of literacy do we need?
First, we need awareness of cognitive sovereignty. Until now, we have regarded bodily freedom and the secrecy of communications as rights. Now we must firmly establish the recognition that "the owner of my thoughts is me." We should not accept, as a fair price for digital services, that corporations or governments access our brain data to analyze and profile our political leanings or unconscious desires. The European Data Protection Supervisor (EDPS) has classified neural data as the most sensitive category among sensitive information, and proposed strengthening the minimization of collection purposes, the right to refuse automated decision-making, and the transparency and explainability of processing. Citizens must actively assert their right to monitor how their neural data is collected and used, and to defend their mental territory.
Second, we must develop the capacity to critically evaluate technology. When brain science and technology combine, exaggerated marketing and pseudoscience often take over. To avoid being misled by claims like "scan your brain to raise your grades" or "achieve everything just by thinking," scientific literacy that grasps both principles and limitations is essential. A paper published in Frontiers in Human Neuroscience pointed out that inaccurate public perceptions of BCI technology are linked to misleading hype from some researchers, manufacturers, regulators, and the media. We must recognize that technology is not an all-purpose fix, and keep watch so that it remains a tool assisting, not replacing, uniquely human abilities.
Third, we must prepare for a shift in the education model. Once BCI is commercialized, acquiring knowledge may no longer be a competitive advantage for humans. If an era arrives when foreign languages can be downloaded into the brain and math formulas computed instantly, memorization-based education will lose its footing. Future civic literacy should focus not on knowledge itself, but on the ability to integrate knowledge, make ethical judgments, and form creative connections. Wisdom, empathy, and the ability to ask questions, things machines cannot provide, will remain uniquely human values.
Fourth, we must build civic capacity to participate in public debate. BCI and brain data policy carry too great an impact on citizens' freedom and dignity to be left solely to experts and politicians. Citizens need to speak up on concrete questions: "Should schools mandate focus-measuring headbands? Should workplaces allow fatigue-monitoring BCIs? How far should the military and police be permitted to use BCI?" Science communication that translates technical jargon into civic language, the role of journalism, and citizen education programs are all essential for this.
Fifth, we need philosophical reflection to preserve our humanity amid connected solitude. When the era of Conceptual Telepathy and the Hive Mind arrives, where brains connect directly to other brains, individual privacy and solitude may vanish. In a world where others' emotions and thoughts flow in unfiltered, what does it mean to maintain one's own self and to truly understand another person? As technological connection deepens, we may, paradoxically, need to guard against human disconnection and rediscover the human value of imperfect, slow communication.
Ultimately, citizens of the brain data age must become not passive technology consumers but active agents who determine the direction of technology. We must not stand by and let the futures envisioned by Elon Musk or Mark Zuckerberg automatically become our own. We must stay awake to ensure that technology serves humanity, and that our brains do not become colonies of machines.
As you close this book, I ask you: when your brain is connected to the internet, what will you search for? Or rather, is it you performing that search, or something that has logged into your brain?
The connected human race, the age of the posthuman. Standing before that immense doorway, we have armed ourselves not with fear but with prepared intellect and ethical imagination, ready to meet a new civilization. The journey that began with the trembling galvanometer needle of Hans Berger in 1924 has passed through the automated factory in Austin in 2026 and will continue into a future we have not yet imagined. Whether that future expands or diminishes human freedom and dignity is not for technology to decide. We decide.
Now, opening that door and stepping forward is a task that belongs to all of us.
Kim Kyung-jin
Attorney · Former Member of the National Assembly · AI Policy Researcher
© 2026 Kim Kyung-jin. All rights reserved.
