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artificial intelligence

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an artistic representation of a brain in a dish on a blue table with enlarged neurons and a neural network, against a red background with a signal of neural bursts
neural networks

Neuron Bursts Can Mimic Famous AI Learning Strategy

By Allison Whitten
October 18, 2021
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A new model of learning centers on bursts of neural activity that act as teaching signals — approximating backpropagation, the algorithm behind learning in AI.

neural networks

A New Link to an Old Model Could Crack the Mystery of Deep Learning

By Anil Ananthaswamy
October 11, 2021
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To help them explain the shocking success of deep neural networks, researchers are turning to older but better-understood models of machine learning.

Illustration of a neuron lit up with electrical signals.
neurons

How Computationally Complex Is a Single Neuron?

By Allison Whitten
September 2, 2021
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Computational neuroscientists taught an artificial neural network to imitate a biological neuron. The result offers a new way to think about the complexity of single brain cells.

Q&A

The Computer Scientist Training AI to Think With Analogies

By John Pavlus
July 14, 2021
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Melanie Mitchell has worked on digital minds for decades. She says they’ll never truly be like ours until they can make analogies.

An illustration showing pink and purple particles flowing around a geometric computer chip.
artificial intelligence

Latest Neural Nets Solve World’s Hardest Equations Faster Than Ever Before

By Anil Ananthaswamy
April 19, 2021
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Two new approaches allow deep neural networks to solve entire families of partial differential equations, making it easier to model complicated systems and to do so orders of magnitude faster.

A close-up, head-on portrait of computer scientist Rediet Abebe.
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A Computer Scientist Who Tackles Inequality Through Algorithms

By Rachel Crowell
April 1, 2021
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Rediet Abebe uses the tools of theoretical computer science to understand pressing social problems — and try to fix them.

Animation of a neuron that periodically alters its responses to stimuli when it is reset into a new state by another input.
neural networks

Artificial Neural Nets Finally Yield Clues to How Brains Learn

By Anil Ananthaswamy
February 18, 2021
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The learning algorithm that enables the runaway success of deep neural networks doesn’t work in biological brains, but researchers are finding alternatives that could.

Yarn models of a deep learning network and a brain.
neuroscience

Deep Neural Networks Help to Explain Living Brains

By Anil Ananthaswamy
October 28, 2020
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Deep neural networks, often criticized as “black boxes,” are helping neuroscientists understand the organization of living brains.

Computer scientist and complexity researcher Carlos Gershenson of the National Autonomous University of Mexico stands by a busy urban roadway.
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Complexity Scientist Beats Traffic Jams Through Adaptation

By Rodrigo Pérez Ortega
September 28, 2020
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To tame urban traffic, the computer scientist Carlos Gershenson finds that letting transportation systems adapt and self-organize often works better than trying to predict and control them.


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