MeSH tree: A08.186.211.180
Researchers at Tulane University have identified brain circuits that help determine how fear responses change as perceived threats diminish, offering new insight into how the brain regulates defensive behavior and why those ...
Mar 26, 2026
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As you get older, it's normal to notice changes in your sleep. These can include fewer hours of shuteye, waking up more during the night, and finding it harder to drop off. However, despite the general view that older people ...
Mar 24, 2026
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Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have demonstrated that caffeine can restore social memory impaired by sleep deprivation by targeting a defined brain pathway. ...
Mar 24, 2026
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Neuroscientists and psychologists have been trying to understand how the human brain supports learning and the encoding of memories for over a century. Past studies suggest that memories are stored by groups of brain cells ...
Scientists have uncovered a brain mechanism that may explain why chronic pain leads to depression in some people but not others, according to research published in Science. The findings challenge the idea that depression ...
Mar 19, 2026
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Pythons don't nibble. They chomp, squeeze, and swallow their prey whole in a meal that can approach 100% of their body weight. But even as they slither stealthily around the forest, months or even a year may pass between ...
Mar 19, 2026
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People may think of survival as an individual act—every animal (and person) for themselves. But a new study from UCLA suggests that when it comes to facing hardship together, social groups may function more like a unified ...
Mar 18, 2026
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Have you ever felt calmer almost as soon as you step into the woods? Or maybe noticed your busy mind soften as you look out at the sea?
Mar 17, 2026
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With a gut-wrenching wail that rippled from her body, Amber Walcker joined about a dozen screaming people in West Seattle who let their frustrations float away over the Puget Sound.
Mar 17, 2026
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A new study in mice suggests psychedelics make the brain more likely to "see" images from memory rather than what's actually in front of it.
Mar 14, 2026
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