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neural network
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Diagram of a simple feedforward neural network showing three layers: green input nodes at the bottom, yellow hidden layer nodes in the middle, and blue output nodes at the top, with arrows indicating one-way signal flow from input to output. A section of an artificial neural network. The weight, or strength, of each input is indicated here by the relative size of its connection. The firing threshold for the output neuron, N, is 4 in this example. Hence, N is quiescent unless a combination of input signals is received from W, X, Y, and Z that exceeds a weight of 4.
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neural network: References & Edit History

Article Contributors

Primary Contributors

  • Vladimir Zwass
    Gregory Olsen Endowed Chair and University Distinguished Professor of Computer Science and at Fairleigh  Dickinson University, Teaneck, New Jersey, USA.  

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: Biology LibreTexts - How Neural Networks Shape Behavior and Thought. Oct 22, 2026
Add new Web site: National Center for Biotechnology Information - PubMed Central - Artificial Neural Network: Understanding the Basic Concepts without Mathematics. Aug 01, 2026
Add new Web site: OpenStax - Principles of Data Science - Introduction to Neural Networks. Oct 03, 2025
Add new Web site: Massachusetts Institute of Technology - MIT News - Explained: Neural networks. Aug 08, 2025
Add new Web site: CORE - A Study on Neural Network Architectures (PDF). May 14, 2025
Add new Web site: IOPscience - Journal of Physics: Conference Series - Neural networks to solve modern artificial intelligence tasks. Nov 19, 2024
Add new Web site: Nature Machine Intelligence - A neural machine code and programming framework for the reservoir computer. Oct 10, 2024
Add new Web site: Iowa State University - Faculty Website Directory - Deep learning in neural networks: An overview. Jul 25, 2024
Add new Web site: IBM - What are neural networks? Feb 15, 2023
Add new Web site: Biology LibreTexts - How Neural Networks Shape Behavior and Thought. Dec 20, 2022
Add new Web site: Investopedia - Neural Networks Explained: Basic Facts and Application. Sep 21, 2022
Add new Web site: Stanford University - Department of Computer Science - Neural Networks. Jul 27, 2018
Article revised and updated. Feb 10, 2016
Add new Web site: Stanford Encyclopedia of Philosophy - Connectionism. Oct 27, 2014
Add new Web site: ThinkQuest - Neural Networks. Jul 19, 2011
Added new Web site: StatSoft - Neural Networks. Dec 19, 2007
Added new Web site: Artificial Vision for the Totally Blind - Dynamic Neural Networks. Dec 19, 2007
Added new Web site: NeuroSolutions - Neural Network. Dec 19, 2007
Added new Web site: Neural Networks - Neural Network. Dec 19, 2007
Added new Web site: Stanford Encyclopedia of Philosophy - Connectionism. Nov 03, 2006
New article added. Nov 17, 2000
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