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memory

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
Read Later

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
Read Later

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
Read Later

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
Read Later

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
Read Later

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.

Artist’s conception of DNA breaking.
neuroscience

To Learn More Quickly, Brain Cells Break Their DNA

By Jordana Cepelewicz
August 30, 2021
Read Later

New work shows that neurons and other brain cells use DNA double-strand breaks, often associated with cancer, neurodegeneration and aging, to quickly express genes related to learning and memory.

An artist’s conception of the ways that functional capacities have been mapped to regions of the brain.
neuroscience

The Brain Doesn’t Think the Way You Think It Does

By Jordana Cepelewicz
August 24, 2021
Read Later

Familiar categories of mental functions such as perception, memory and attention reflect our experience of ourselves, but they are misleading about how the brain works. More revealing approaches are emerging.

A drawing of a mouse, with lines representing sensory data rotating 90 degrees to become lines of memory data.
neuroscience

The Brain ‘Rotates’ Memories to Save Them From New Sensations

By Jordana Cepelewicz
April 15, 2021
Read Later

Some populations of neurons simultaneously process sensations and memories. New work shows how the brain rotates those representations to prevent interference.

Fluorescent cross-section of a mouse’s brain.
Abstractions blog

Brain Cell DNA Refolds Itself to Aid Memory Recall

By Elena Renken
November 2, 2020
Read Later

Researchers see structural changes in genetic material that allow memories to strengthen when remembered.


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