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Definition: neural network


An artificial intelligence (AI) modeling technique very loosely based on the behavior of neurons in the human brain. Unlike regular applications that are programmed to deliver precise results ("if this, do that"), neural networks use a much more complicated architecture that analyzes data. Neural networks are trained to recognize images, speech and other patterns and are the primary foundation of "machine learning" and "deep learning." Neural networks are used in image processing, robotics, diagnosing, forecasting and many other disciplines. See convolutional neural network, neuron, deep learning, GAN, neuroinformatics, machine learning, TensorFlow and AI.
















Neural Network Architectures
There is a huge variety of network architectures in use and being explored; witness the above diagrams from the Asimov Institute. AI networks are one of the most researched areas of computing in the 21st century. (Images courtesy of Fjodor van Veen and Stefan Leijnen (2019). The Neural Network Zoo, www.asimovinstitute.org/neural-network-zoo)