Defining representations

Recent articles

This series explores the often-fuzzy concept of representation and the different ways researchers employ the term.

What do neuroscientists mean when they use the term ‘representation’?

A group of neuroscientists and philosophers discuss the use and misuse of the term "representation" across the cognitive sciences and how it influences the way we interpret the connection between neural, behavioral and mental activity.

By Paul Middlebrooks
4 June 2025 | 127 min listen
Illustration of a frog in front of a composite of images of flora and fauna in the frog’s surroundings.

When do neural representations give rise to mental representations?

To answer this question, consider the animal’s umwelt, or what it needs to know about the world.

By Kevin Mitchell
13 February 2024 | 7 min read
Illustration of a scientist looking a grid of four pictures; each picture gets blurrier proceeding from left to right.

What are we talking about? Clarifying the fuzzy concept of representation in neuroscience and beyond

To foster discourse, scientists need to account for all the different ways they use the term “representation.”

By Francis T. Fallon, Tomás J. Ryan, John W. Krakauer, The RPPF group
13 November 2023 | 6 min read

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Hands cut a ribbon.

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The order provides a potential path to remove some psychedelic drugs from the strictest regulatory category, yet it “may not be the breakthrough the basic research community has been looking for,” says neuroscientist Shawn Lockery.

By Calli McMurray
24 April 2026 | 4 min read
Research image visualizing neuronal activity.

Switching neural code may solve ongoing face-recognition debate

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By Holly Barker
23 April 2026 | 5 min read

Liset de la Prida explains how neuron subtypes may control the activity of large neural populations, from manifolds to ripples

De la Prida's work analyzing the varieties of sharp wave ripples in the hippocampus led to her discovery that specific types of neurons control the properties of neural manifolds.

By Paul Middlebrooks
22 April 2026 | 104 min listen