Crossing the Chasm: Artificial Neurons Achieve "Two-Way Dialogue" with Living Brain Cells for the First Time
Release time:
2026-04-20
At a time when AI computing power is stretched to its limits and Moore's Law approaches physical constraints, an engineering team at Northwestern University has achieved a disruptive breakthrough: using a specialized printing technique, they have created artificial neurons that not only mimic the brain's complex firing patterns but also successfully achieve "cross-species" communication with real neurons in mouse brain tissue slices. This landmark study, published in Nature Nanotechnology, opens a new door for the efficient integration of the human brain and machines.
Beyond Silicon Chips: Forging a New "Brain-Like" Computing Paradigm
Conventional computers rely on rigid two-dimensional silicon chips, where billions of transistors behave identically and work in parallel — powerful yet inflexible. In contrast, the human brain is composed of diverse, soft neurons distributed in three-dimensional space, with connections that continuously reshape themselves through learning. To mimic this efficient and adaptive form of brain computing, the Northwestern team abandoned traditional lithography and instead adopted a cutting-edge technique called "aerosol jet printing."
Using this technique, the researchers precisely deposited custom electronic inks onto a flexible polymer substrate. These inks consist of nanoscale molybdenum disulfide flakes acting as a semiconductor and graphene acting as a conductor, perfectly replicating the soft, three-dimensional properties of biological neurons.
More Than Just Pulses: Speaking the "Neural Language"
Previous artificial neurons could often only generate simple one-time pulses. In contrast, the printed neurons in this study can produce complex signal combinations, including single spikes, continuous firing, and even burst patterns. This diversity allows a single artificial neuron to encode more information and perform more complex functions, potentially greatly reducing the number of components required in computing systems and significantly improving overall energy efficiency.
A Critical Step: Activating Real Brain Tissue
The key to validating their effectiveness lay in whether they could interact with biological tissue. In experiments, the team applied electrical signals generated by the artificial neurons to mouse cerebellar slices. The results showed that these signals successfully evoked activity in real neurons and activated neural circuits in a manner similar to natural signals. This demonstrates an unprecedented level of biocompatibility for this new type of artificial neuron.
This breakthrough holds tremendous potential not only for brain-computer interfaces and neural prosthetics (such as auditory, visual, and motor implants) but also lays a solid hardware foundation for building the next generation of efficient, brain-like computing systems.
Latest developments
The team successfully developed the CryoSIM platform, an intelligent microfluidics and deep learning-integrated system. This platform deeply integrates core technologies of deep learning and microfluidics to enable high-throughput, high-precision automated analysis of oocyte membrane permeability. It provides a novel technological tool for optimizing and advancing the clinical translation of oocyte cryopreservation techniques. Additionally, it offers an innovative practical paradigm for the application of artificial intelligence in low-temperature biomedicine and reproductive medicine.
Public Welfare Partnership: A Special Letter from the Jinan Red Cross
On the afternoon of January 30, 2026, the Jinan Red Cross presented a letter of special significance to the Shandong Yinfeng Life Science Public Welfare Foundation (hereinafter referred to as the Yinfeng Foundation).
World’s First Achievement Highlights Brand Leadership
In the future, Yinfeng Life Science Research Institute will continue to uphold its mission of "Dedicated to Medical Technology, Safeguarding Human Health." It will empower brand building with more original and pioneering scientific and technological achievements, contributing wisdom and strength to Shandong's goal of building a national regional innovation hub and promoting Chinese brands on the global stage.
Global First Ovarian Tissue Dual Activation Technology Debuts at 2025 Jinan Achievements Conference
Currently, the ovarian tissue dual activation technology has been successfully applied in clinical practice at Beijing University of Chinese Medicine Shenzhen (Longgang) Hospital, having treated over 400 patients with a treatment success rate of 70%. Over the next three years, Shandong Yinfeng Life Science Research Institute plans to use Jinan as a center to gradually expand the transformation and application of this technological achievement nationwide.
According to the latest announcement from the International Society of Cryobiology, Professor Xu Yi from the School of Health Science and Engineering at the University of Shanghai for Science and Technology, and a member of the Yinfeng Cryomedicine Expert Committee, has been elected as a Board Governor of the Society for a three-year term (2026–2028). The election was conducted through a democratic vote by all members worldwide, with three new Board Governors elected. Professor Xu Yi is the only scholar from Asia elected to the Society’s Board of Governors this time and the third elected scholar from mainland China in the Society’s 60-year history.
The significance of life extension lies not only in technological breakthroughs but also in the shared belief of every individual who believes in "a better future." With faith as their torch, these fellow travelers join hands, pooling their strength to stride forward together. We firmly believe that as this steadfast support converges into a powerful force, it will propel the Yinfeng Life Extension Plan to gain broader attention, inject continuous momentum into the development of cryobiomedicine, and illuminate the next chapter of human civilization.
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