MeSH tree: A08.186
Stress or trauma during childhood may leave people more vulnerable to mental health struggles and stress later in life. Scientists think one reason could be that early-life stress leaves lasting molecular bookmarks on DNA, ...
The first night in a new place is always the same for Robinson Leoni: He takes longer to fall asleep, wakes up more often during the night and gets less sleep overall.
Aug 11, 2026
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For decades, neuroscientists have been able to record which parts of the brain show increased electrical activity during a behavior, such as when we form a memory or make a decision. But scientists haven't been able to determine ...
Aug 10, 2026
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The prefrontal cortex, a brain region long associated with learning more flexible behaviors, can sometimes block the ability to think outside the box, a new study in mice shows. The finding by biologists at Emory University ...
Aug 8, 2026
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Experiencing severe stress during childhood can make a person more vulnerable to anxiety, depression and other mood disorders when faced with hardships as an adult. Researchers at Washington University School of Medicine ...
Aug 7, 2026
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When the signal sounds, all the runners push off from their starting blocks and set off sprinting. We can act within fractions of a second because we plan movements in our brains in advance, before carrying them out. At the ...
Aug 6, 2026
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For many who have struggled to learn a new language or instrument, it's a familiar pattern: They make rapid progress at first, then hit a plateau that no amount of diligent practice or concentration seems to break.
Aug 6, 2026
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When people encounter new information that challenges their expectations, their pupils are likely to dilate. This physiological response is a sign that something is happening in the brain to help the person adapt to the new ...
Aug 5, 2026
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Neurons that once encoded a person's memories are now helping researchers identify genetic targets that may one day help preserve memory and slow cognitive decline in others.
Aug 5, 2026
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Narcolepsy is a chronic neurological condition characterized by disruptions in the regulation of sleep-wake cycles. People with this condition often experience extreme sleepiness during the day and, in some cases, a sudden ...
