In 2022, Tatiana Alexandrova, who co-founded and previously led the neurotechnology firm Neiry, established a new venture in California named Subsence. This startup is focused on developing a revolutionary "brain-computer" interface that diverges from traditional methods used by companies like Neuralink. Rather than inserting electrodes directly into the brain, Subsence is working on nanoparticles that can be delivered through inhalation, similar to a nasal spray.
These nanoparticles can be directed to specific regions of the brain using a magnetic field, with a lightweight headset facilitating their control. Some of the nanoparticles are designed to emit a subtle electrical discharge when activated by the magnetic field, thereby stimulating adjacent neurons. Others are equipped to respond to an infrared beam from the headset, altering their optical characteristics near active neurons, which the device then detects.
Initially, Subsence intends to apply this technology to medical applications, targeting conditions such as Parkinson's disease, epilepsy, the aftermath of strokes, and various other neurological disorders. Looking ahead, the goal is to establish a two-way communication link between the human brain and artificial intelligence, potentially enhancing memory and cognitive function.
Alexandrova commented on the ambitious vision, stating, "The potential for external memory enhancement or cognitive improvement is a technical frontier we are exploring. Concepts like thought transmission, or even the preservation of memory, are shifting from being solely philosophical discussions to scientific inquiries. Some might refer to this as a form of immortality, but I would describe it more cautiously as continuity."
So far, the startup has successfully secured $27 million in funding. Recently, Ray Kurzweil, known for his "singularity theory," has joined Subsence as a product and vision advisor. Kurzweil predicted back in 1999 that advancements in nanotechnology would facilitate the integration of biological and artificial intelligence by the 2030s. The question remains: Is the merger of AI and the human brain on the horizon? The consensus leans towards a positive outlook, potentially happening sooner than expected.
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