Neuroscience

General anesthesia hijacks sleep circuitry to knock you out

The discovery of general anesthesia 170 years ago was a medical miracle, enabling millions of patients to undergo invasive, life-saving surgeries without pain. Yet despite decades of research, scientists still don't understand ...

Neuroscience

Neuroscientist probes sleep's role in learning and memory

Does "sleeping on it" help us make better decisions? Are sleep disorders just a natural part of aging? How important are naps, anyhow? Rebecca Spencer, Professor in the Department of Psychological and Brain Sciences and director ...

Alzheimer's disease & dementia

Decreased deep sleep linked to early signs of Alzheimer's disease

Poor sleep is a hallmark of Alzheimer's disease. People with the disease tend to wake up tired, and their nights become even less refreshing as memory loss and other symptoms worsen. But how and why restless nights are linked ...

Neuroscience

Learning while sleeping? Our learning capabilities are limited

Led by Philippe Peigneux, a group of researchers found that learning capabilities are limited during slow wave sleep. Using magnetoencephalography (MEG), they showed that while the brain is still able to perceive sounds during ...

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