Princeton Scientists Develop 3D Computing Device Using Living Brain Cells

Researchers at Princeton University have successfully created a novel three-dimensional computing device that integrates living biological neurons with advanced electronic components. Published in Nature Electronics, this breakthrough addresses previous limitations where brain cells and electronics were not fully integrated, often relying on two-dimensional cultures or external monitoring. The team, led by Fu, James Sturm, and first author Kumar Mritunjay, utilized advanced fabrication techniques to construct a scaffold of tiny metal wires and electrodes coated with flexible material. This structure allows approximately 70,000 neurons to grow into and around the network, enabling real-time recording and stimulation of electrical activity. The device has demonstrated the ability to recognize simple patterns under controlled conditions through computational programming. While current capabilities are limited to basic tasks, the researchers aim to further develop the platform to handle more complex computational functions in the future. This innovation represents a significant step forward in bio-computing, merging biological neural systems with synthetic electronics to create a functional, living hybrid system capable of pattern recognition.