The brain is surprisingly active while we sleep. Learned experiences are ordered and processed. Sometimes we come up with solutions to the problems of the previous day in our slumber.
Mobile devices are often blamed for damaging our brains. So can apps help scientists research memory loss?
Stress influences us in many ways. It disturbs our sleep, affects our mood and can make us sick. But more seriously it also seems to damage our brain, according to a new study.
Some people claim they only need four to five hours of sleep a night. After that, these super-humans say, they wake up nice and refreshed, ready for the challenges of a new day! From a health standpoint, that's bogus.
Researchers at Columbia University say they've translated brain signals directly into speech. This could help people recovering after a stroke. Ostensibly.
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