Defining representations

Recent articles

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

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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This paper changed my life: ‘Histone demethylation mediated by the nuclear amine oxidase homolog LSD1,’ from the Shi Lab

This paper defined key rules of epigenomic regulation and shaped how I study chromatin plasticity as a mechanism for experience-dependent changes in the brain.

By Anne E. West
27 November 2024 | 5 min read

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By Calli McMurray
26 November 2024 | 6 min read
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Hessameddin Akhlaghpour outlines how RNA may implement universal computation

Could the brain’s computational abilities extend beyond neural networks to molecular mechanisms? Akhlaghpour describes how natural universal computation may have evolved via RNA mechanisms.

By Paul Middlebrooks
26 November 2024 | 107 min listen