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memory

Latest Articles

Illustration in which a forest scene is mirrored in a person’s right eye while the left eye shows a clock.
neuroscience

How the Brain Distinguishes Memories From Perceptions

By Yasemin Saplakoglu
December 14, 2022
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The neural representations of a perceived image and the memory of it are almost the same. New work shows how and why they are different.

A human figure in a brain landscape stands at a fork in a road. One way goes to pleasant surroundings, the other to an unpleasant place.
memory

A Good Memory or a Bad One? One Brain Molecule Decides.

By Yasemin Saplakoglu
September 7, 2022
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When the brain encodes memories as positive or negative, one molecule determines which way they will go.

The face of a sleeping person surrounded by images of the person running and flying in dreams, with other images of scientists monitoring the process.
The Joy of Why

Why and How Do We Dream?

By Steven Strogatz
August 24, 2022
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Dreams are subjective, but there are ways to peer into the minds of people while they are dreaming. Steven Strogatz speaks with sleep researcher Antonio Zadra about how new experimental methods have changed our understanding of dreams.

A man in a blue suit walking down the stairs outdoors.
Q&A

The Computer Scientist Challenging AI to Learn Better

By Allison Whitten
August 2, 2022
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Christopher Kanan is building algorithms that can continuously learn over time — the way we do.

Photo of genetically engineered zebra fish larva with fluorescent markings in its brain.
memory

Scientists Watch a Memory Form in a Living Brain

By Yasemin Saplakoglu
March 3, 2022
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While watching a fearful memory take shape in the brain of a living fish, neuroscientists see an unexpected level of rewiring occur in the synaptic connections.

neuroscience

New Map of Meaning in the Brain Changes Ideas About Memory

By Jordana Cepelewicz
February 8, 2022
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Researchers have mapped hundreds of semantic categories to the tiny bits of the cortex that represent them in our thoughts and perceptions. What they discovered might change our view of memory.

Illustration of a person remembering the orientation of an arrow, but also a range of other orientations it might have had.
neuroscience

Neural Noise Shows the Uncertainty of Our Memories

By Veronique Greenwood
January 18, 2022
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The electrical chatter of our working memories reflects our uncertainty about their contents.

2021 in Review

The Year in Biology

By John Rennie
December 21, 2021
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The detailed understanding of brains and multicellular bodies reached new heights this year, while the genomes of the COVID-19 virus and various organisms yielded more surprises.

Photo of rat climbing through a lattice of thin rods.
neuroscience

How Animals Map 3D Spaces Surprises Brain Researchers

By Jordana Cepelewicz
October 14, 2021
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When animals move through 3D spaces, the neat system of grid cell activity they use for navigating on flat surfaces gets more disorderly. That has implications for some ideas about memory and other processes.


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