Morgan Stanley Heavyweight Robotics Yearbook (VII): Brain-Computer Interfaces Will Be the Ultimate Physical Manifestation of AI

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Brain-computer interface (BCI) technology is becoming the "ultimate physical embodiment" of artificial intelligence. It aims not only to solve medical challenges but is also envisioned as the key bridge for human-AI symbiosis. Its long-term market potential is enormous, attracting global capital and enterprises to accelerate their layouts.

According to Zhuifeng Trading Desk, on December 22, Morgan Stanley's Adam Jonas analyst team released an annual report showing that BCI companies, represented by Elon Musk's Neuralink, have significantly accelerated their commercialization processes. As of September 2025, Neuralink has implanted devices in 12 humans, with a cumulative usage time exceeding 15,000 hours. Musk regards Neuralink as a core tool for addressing potential AI risks and for achieving human capability enhancement and consciousness expansion.

This technological breakthrough is accelerating from vision to real-world application. Morgan Stanley’s medical technology team estimates that in the U.S. market alone, the total addressable market (TAM) for BCI implant devices could reach $80 billion by 2035, and soar to $320 billion by 2045, mainly covering treatments for ALS, stroke, spinal cord injuries, epilepsy, depression, and other neurological disorders.

A global competitive landscape is taking shape. The report details leading startups such as Neuralink, Synchron, Precision, Paradromics, and points out that China announced its BCI technology roadmap in August 2025, aiming to achieve key technological breakthroughs before 2027 and to become a global leader by 2030.

BCI: From Scientific Discovery to Commercial Race

Research on brain-computer interfaces is not new. The report reviews its development: from German psychiatrist Hans Berger's discovery of brain electrical activity in 1924, to the real start of BCI research in the 1970s. Critical experimental progress appeared in the early 21st century, such as Professor Miguel Nicolelis from Duke University, who in 2003 demonstrated a monkey controlling a mechanical arm via BCI, laying the foundation for subsequent research.

In the past decade, technological advances have pushed BCIs toward human clinical applications. Currently, the main implant technology paths include: inserting threads into the motor cortex via robotic surgery (Neuralink); implanting electrode arrays through blood vessels (Synchron); as well as minimally invasive cortical surface or microneedle array techniques (Precision and Paradromics).

Neuralink's Blueprint: Beyond Medicine, Towards Human-Machine Symbiosis

The report focuses on Neuralink’s vision. Elon Musk has set four escalating goals: first, reducing human suffering (such as “telepathy” implants to aid paralyzed patients), then enhancing human capabilities (such as future “blind vision” implants), followed by understanding and expanding consciousness, with the ultimate goal being human symbiosis with AI/robots to alleviate potential existential risks brought by AI.

In Morgan Stanley’s hypothetical "Musk Economy" framework, Neuralink is at the core. By decoding complex neural signals and connecting its hardware with robotics, AI computing, and data, it ultimately enables brain-direct control of robotics and human-machine fusion.

Market Scale and Global Players Competition

Morgan Stanley’s quantitative forecasts provide a clear picture of market potential. Its medical tech team, based on U.S. patient base, expected penetration, and pricing models, gives phased TAM projections. The early market (to 2035) focuses on severe neurological diseases, while the mid-to-long-term market (to 2045) will see substantial growth as technologies mature and indications expand.

Global venture capital investment in neurotechnology (including BCI) soared to about $1.8 billion in 2025 (as of December 19), showing extremely high capital enthusiasm. The report lists several major BCI startups, compares technology paths, clinical progress, and financing valuations. Among them, Neuralink leads with a $9 billion valuation and over $1.3 billion in financing.

As an unignorable force, China’s national-level roadmap marks BCI as one of the strategic areas in global technology competition.

The Vast Battlefield of Embodied AI: From Logistics to Catering, Automation Penetrates Every Industry

The latter part of the report broadens the view beyond BCI to “other forms” of embodied AI robots, showing how the automation wave is sweeping across various industries.

In warehousing and logistics, Amazon is a typical example of deepening automation. Its robots-to-employee ratio has optimized from 1:5 in 2017 to about 1:1.5 in 2025, with total robots exceeding one million. According to The New York Times in October 2025, Amazon plans to deploy about 40 next-generation robotic warehouses by 2027.

Food service is another field with huge automation potential. The report estimates that supporting a full-time equivalent position at a 24-hour fast food outlet costs as much as $167,000 per year. High labor costs and turnover drive automation demand. For example, Miso Robotics' “Flippy” fries robot, Hyphen's food assembly line, and Sweetgreen's “Infinite Kitchen” automated restaurant all demonstrate effectiveness in improving efficiency and profitability.

In household scenarios, dedicated home robots (non-humanoid) have developed for many years, such as the first Roomba vacuum robot launched in 2002. These products mainly automate cleaning, monitoring, and other tasks, with AI focusing on path planning and object detection. Morgan Stanley projects that by 2050, there will be about 1.8 billion household robots in operation worldwide, with an average of about 0.68 robots per household. In the U.S. and China, household robot penetration is expected to reach 1.25 units and 1.05 units per household, respectively, far above the global average.

In addition, the report covers quadruped robots, marine and underwater robots, agricultural automation, construction and mining automation, last-mile unmanned delivery, hotel service robots, surgical robots, and several other verticals, providing corresponding market size forecasts and analysis of key players.

Explosive Growth Expected in Professional Service Robots

Morgan Stanley predicts that by 2050, the number of professional service robots (excluding humanoid robots, drones, self-driving vehicles, and industrial robots) in operation worldwide will reach 840 million units, far surpassing the current base, indicating rapid growth. Corresponding hardware sales revenue, in the baseline scenario, can reach nearly $200 billion by 2040, and in the optimistic scenario, can approach $300 billion.

With BCI at the frontier and various professional robots as a broad foundation, the surge of embodied AI is shifting from technical exploration to full-scale commercialization and deployment, redefining the boundaries of productivity and human capability, and outlining a vast and multi-layered market landscape for investors.

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