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Reporting the latest scientific research on behavior, cognition and society
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A nap after sleep deprivation cleared the brain's fatigue signals before learning began — exercise didn't touch them, yet it produced the same memory benefit by sharpening how the brain responded when new information arrived
23+ hour, 46+ min ago (962+ words) A 20-minute workout protects memory after sleep loss just as well as a 90-minute nap PsyPost A 20-minute workout protects memory after sleep loss just as well as a 90-minute nap Experiencing a sleepless night often makes it difficult to…...
Disrupting specific dopamine neurons in fruit flies erases long-term memories by ruining sleep
6+ day, 10+ hour ago (562+ words) PsyPost...
Scientists discover previously unknown brainwave chains that organize memory during REM sleep
1+ week, 1+ day ago (759+ words) More recently, a 2024 study indicated that rapid ripples of electricity originating in the prefrontal cortex during NREM sleep actually suppress hippocampal activity. Other research, such as a 2012 study, found that REM sleep adjusts the overall excitability of hippocampal neurons. “The…...
Stimulating a major body-to-brain nerve after training did nothing for how well mice performed that day — the difference showed up two and five days later, and the researchers found an unexpected physical rhythm that accompanied it
1+ week, 6+ day ago (505+ words) New research provides evidence that stimulating the vagus nerve in mice not only improves long-term learning but also triggers rhythmic changes in brain blood flow. The findings, published in iScience, suggest that the benefits of nerve stimulation may rely partly…...
Scientists uncover an energy paradox in the brain during REM sleep
4+ week, 1+ day ago (536+ words) The brain requires a constant supply of energy to process information and maintain basic biological functions. When a neuron fires an electrical signal, it alters the balance of charged ions across its cellular membrane. Restoring this balance requires massive amounts…...