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Brain’s Memory Center Never Stops Making Neurons, Study Confirms

Though it’s now clear humans continue to grow new brain cells throughout their entire lives, debate persists over whether this applies to specific areas involved with memory.

Previous studies have made the case for and against the existence of neurogenesis in hippocampus beyond childhood. A new study now offers some of the clearest evidence yet that this crucial memory-forming region does form fresh neurons well into adulthood.

The study is the work of researchers from the Karolinska Institute and the Chalmers University of Technology in Sweden, and looks specifically at the dentate gyrus section of the hippocampus, the part of the brain that acts as a key control center for emotions, learning, and storing episodic memories.

Mining the Moon begins: US firm’s robot to extract rare helium-3 and launch payloads back to Earth for futuristic energy use

In a bold move that could transform the future of clean energy and quantum computing, a Seattle-based startup, Interlune, is taking the first steps toward mining the Moon for a rare isotope called helium-3. This new venture has the potential to challenge the boundaries of technology, as well as the frameworks for space exploration and international resource management.

Diabetes drug cuts migraines in half by targeting brain pressure

A common diabetes drug may be the next big thing for migraine relief. In a clinical study, obese patients with chronic migraines who took liraglutide, a GLP-1 receptor agonist, experienced over 50% fewer headache days and significantly improved daily functioning without meaningful weight loss. Researchers believe the drugs ability to lower brain fluid pressure is the key, potentially opening a completely new way to treat migraines. The effects were fast, sustained, and came with only mild side effects.

A diabetes medication that lowers brain fluid pressure has cut monthly migraine days by more than half, according to a new study presented today at the European Academy of Neurology (EAN) Congress 2025.

Researchers at the Headache Center of the University of Naples “Federico II” gave the glucagon-like peptide-1 (GLP-1) receptor agonist liraglutide to 26 adults with obesity and chronic migraine (defined as ≥15 headache days per month). Patients reported an average of 11 fewer headache days per month, while disability scores on the Migraine Disability Assessment Test dropped by 35 points, indicating a clinically meaningful improvement in work, study, and social functioning.

Scientists reverse Parkinson’s symptoms in mice — Could humans be next?

Scientists at the University of Sydney have uncovered a malfunctioning version of the SOD1 protein that clumps inside brain cells and fuels Parkinson’s disease. In mouse models, restoring the protein’s function with a targeted copper supplement dramatically rescued movement, hinting at a future therapy that could slow or halt the disease in people.

Why Different Neuron Parts Learn Differently?

To try everything Brilliant has to offer—free—for a full 30 days, visit https://brilliant.org/ArtemKirsanov. You’ll also get 20% off an annual premium subscription.

Socials:
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Patreon: https://patreon.com/artemkirsanov.

My name is Artem, I’m a graduate student at NYU Center for Neural Science and researcher at Flatiron Institute. In this video we explore a recent study published in Science, which revealed that different compartments of pyramidal neurons (apical vs basal dendrites) use different plasticity rules for learning.

Link to the paper:
https://www.science.org/doi/10.1126/science.ads4706

Outline:
00:00 Introduction.
01:23 Synaptic transmission.
06:09 Molecular machinery of LTP
08:40 Hebbian plasticity.
11:21 Non-Hebbian plasticity.
12:51 Hypothesis.
14:42 Experimental methods.
17:10 Result: compartmentalized plasticity.
19:30 Interpretation.
22:01 Brilliant.
23:08 Outro.

Music by Artlist.

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