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neuroscience

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memory

The Usefulness of a Memory Guides Where the Brain Saves It

By Saugat Bolakhe
August 30, 2023
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New research finds that the memories useful for future generalizations are held in the brain separately from those recording unusual events.

Quantized Columns

The Hidden Brain Connections Between Our Hands and Tongues

By R. Douglas Fields
August 28, 2023
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Sticking out your tongue while doing delicate work with your hands reveals a history of evolutionary relationships.

Illustration of a giant human head, with small openings cut into the front and back. Light shines out of these openings and tiny people on ladders peer into them.
consciousness

What a Contest of Consciousness Theories Really Proved

By Elizabeth Finkel
August 24, 2023
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A five-year “adversarial collaboration” of consciousness theorists led to a stagy showdown in front of an audience. It crowned no winners — but it can still claim progress.

developmental biology

Why Insect Memories May Not Survive Metamorphosis

By Yasemin Saplakoglu
July 26, 2023
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The reshuffling of neurons during fruit fly metamorphosis suggests that larval memories don’t persist in adults.

A representation of a human head examining its experiences.
The Joy of Why

What Is the Nature of Consciousness?

By Steven Strogatz
May 31, 2023
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Consciousness, our experience of being in the world, is one of the mind’s greatest mysteries, but as the neuroscientist Anil Seth explains to Steven Strogatz, research is making progress in understanding this elusive phenomenon.

A person stares at a thought bubble.
cognition

Is It Real or Imagined? How Your Brain Tells the Difference.

By Yasemin Saplakoglu
May 24, 2023
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New experiments show that the brain distinguishes between perceived and imagined mental images by checking whether they cross a “reality threshold.”

machine learning

Some Neural Networks Learn Language Like Humans

By Steve Nadis
May 22, 2023
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Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills.

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Why the Brain’s Connections to the Body Are Crisscrossed

By R. Douglas Fields
April 19, 2023
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In all bilaterally symmetrical animals, from humans down to simple worms, nerves cross from one side of the body to the opposite side of the brain. Geometry may explain why.

Human figures in fetal positions float through a dim, twilit space.
neuroscience

How Loneliness Reshapes the Brain

By Marta Zaraska
February 28, 2023
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Feelings of loneliness prompt changes in the brain that further isolate people from social contact.


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