Researchers at the Institute of Molecular Biology and Biotechnology (IMBB) of FORTH have unveiled a groundbreaking artificial neural network (ANN) model that draws inspiration from biological dendrites. This novel approach promises to revolutionize image recognition systems by drastically reducing the number of parameters needed, making AI more compact, energy-efficient, and accessible.

Artificial intelligence is rapidly transforming industries by offering advanced solutions to complex challenges, yet most AI systems today require vast amounts of computational power. Current models often consist of millions to billions of parameters, leading to high energy consumption and large-scale infrastructure needs. These inefficiencies limit the potential for widespread adoption, especially in resource-constrained environments.

Drawing inspiration from the human brain, the researchers sought to create smaller, smarter systems by incorporating neurobiological features. Specifically, they focused on dendrites—the branched structures of neurons responsible for receiving and processing information. For years, the role of dendrites in information processing was a mystery, but recent research has revealed that dendrites can perform complex computations on their own, contributing to the brain’s adaptability, or plasticity, in changing environments.

In a recent study published in Nature Communications, Dr. Panayiota Poirazi and her team at IMBB-FORTH introduced an innovative ANN architecture that mimics the function of biological dendrites. The new model demonstrated remarkable results in image recognition tasks, offering performance on par with or even exceeding traditional ANNs, while using far fewer resources. The key advantage of this design is its ability to reduce the number of trainable parameters and learning steps required, making the AI systems both more efficient and more robust.

The breakthrough comes from the network’s unique learning strategy. Unlike conventional ANNs, where individual nodes are typically specialized to recognize specific categories, the dendritic-inspired network allows multiple nodes to contribute to encoding different categories. This collaborative approach helps prevent overfitting, a common issue in traditional models where networks become too finely tuned to training data and fail to generalize well to new inputs.

Dr. Chavlis, a postdoctoral researcher at IMBB-FORTH, led the project under the guidance of Dr. Poirazi. Their findings suggest that incorporating dendritic features into ANN design could lead to smarter, more efficient AI systems with broad applications in areas like image recognition, pattern recognition, and other fields requiring complex data analysis.

This research opens the door to a new class of AI models that are not only more energy-efficient and compact but also more capable of handling diverse and evolving real-world tasks. The team is optimistic that these dendritic-inspired architectures will be key to the future of AI, making advanced technologies more accessible and sustainable.

By Impact Lab