Section: STEM · Computer ScienceDifficulty: Medium

Neural Network

USUK
US/ˈnʊrəl ˈnɛtˌwərk/UK/ˈnʊrəl ˈnɛtˌwək/

A computational model inspired by the brain, composed of interconnected layers of nodes.

Also: ANN · artificial neural network

Definition

An artificial neural network is a computational model inspired by the structure and function of biological neural networks. It consists of layers of interconnected nodes (neurons) that process input data through weighted connections and activation functions, learning to recognize patterns through a training process called backpropagation. Deep neural networks with many layers form the basis of deep learning, enabling breakthroughs in image recognition, speech synthesis, and game playing.

Example

“A facial recognition system in a smartphone uses a deep convolutional neural network trained on millions of face images; after seeing hundreds of photos of the owner's face, it can reliably unlock the phone even in different lighting conditions.”

Usage Examples

  1. 1

    “The team applied neural network best practices to improve their computer science outcomes significantly.”

  2. 2

    “Understanding neural network is essential for anyone building a career in STEM.”

When & How to Use

Use 'Neural Network' when working in Computer Science contexts where an artificial neural network is a computational model inspired by the structure and function of biological neural networks.

  • ▸Applying neural network principles during a computer science project or initiative
  • ▸Explaining neural network to a junior team member or stakeholder unfamiliar with STEM
  • ▸Evaluating options or proposals using neural network as a decision-making criterion

Etymology & Origin

The term 'Neural Network' derives from Latin roots and entered STEM professional usage as the field formalised in the 20th century.

History & Evolution

The concept of neural network has evolved alongside STEM. Early practitioners relied on informal methods; structured approaches emerged with the professionalisation of computer science in the mid-20th century. Today, neural network is a standard part of STEM practice globally.

Synonyms

  • artificial neural network
  • ANN
  • deep network
  • perceptron network

Antonyms / Opposites

  • rule-based system
  • decision tree

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