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neuroscience

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When Does the Brain Operate at Peak Performance?

By John M. Beggs
January 31, 2023
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The critical brain hypothesis suggests that neural networks do their best work when connections are not too weak or too strong.

A sad woman stands under an umbrella that is decorated with images of brains, molecules and DNA. Rain falls on her under the umbrella but the day is otherwise clear.
neuroscience

The Cause of Depression Is Probably Not What You Think

By Joanna Thompson
January 26, 2023
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Depression has often been blamed on low levels of serotonin in the brain. That answer is insufficient, but alternatives are coming into view and changing our understanding of the disease.

2022 in Review

The Year in Biology

By John Rennie
December 21, 2022
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Momentum for new ideas in Alzheimer’s research joined advances in neuroscience, developmental biology and origin-of-life studies to make 2022 a memorable year of biological insights.

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.

neuroscience

What Causes Alzheimer’s? Scientists Are Rethinking the Answer.

By Yasemin Saplakoglu
December 8, 2022
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After decades in the shadow of the reigning model for Alzheimer’s disease, alternative explanations are finally getting the attention they deserve.

neuroscience

The Brain Uses Calculus to Control Fast Movements

By Kevin Hartnett
November 28, 2022
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Researchers discover that to sharpen its control over precision maneuvers, the brain uses comparisons between control signals — not the signals themselves.

A detailed scan of a zebra fish as seen from above.
developmental biology

The Gut Microbiome Helps Social Skills Develop in the Brain

By Joanna Thompson
November 15, 2022
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New research in fish suggests that gut microbes can have a crucial early influence on the brain’s social development.

Sergiu Paşca in his lab at Stanford University, in front of a rack of equipment.
Q&A

Human Brains Are Hard to Study. He Grows Useful Substitutes.

By Claudia Dreifus
October 12, 2022
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With stem cell technology and lab-grown brain organoids, Sergiu Paşca seeks the causes of autism and other neuropsychiatric conditions.

Green cross section of a brain with a large bright area in its left hemisphere.
neuroscience

Lab-Grown Human Cells Form Working Circuits in Rat Brains

By Allison Whitten
October 12, 2022
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Letting human brain organoids grow in animal brains could be an ethical new option for experimental studies of neurological disorders.


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