Alertness

Cardiac repair: Neutrophils to the rescue

Following an acute heart attack, immune cells called neutrophils coordinate an inflammatory response which can exacerbate the damage to the organ. Now researchers from Ludwig-Maximilians-Universitaet (LMU) in Munich have ...

Feb 10, 2016
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Study finds possible new jet-lag treatment

Exposing people to short flashes of light while they're sleeping could provide a fast and efficient method of preventing jet lag, according to a study by researchers at the Stanford University School of Medicine.

Feb 08, 2016
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How the brain builds place memories

Tübingen neuroscientists have succeeded in activating dormant memory cells in rats. Using weak electrical impulses targeted at previously inactive cells in the hippocampus, the researchers induced the cells to recognize ...

Feb 05, 2016
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Alertness is the state of paying close and continuous attention, being watchful and prompt to meet danger or emergency, or being quick to perceive and act. It is related to psychology as well as to physiology. A lack of alertness is a symptom of a number of conditions, including narcolepsy, attention deficit disorder, chronic fatigue syndrome, depression, Addison's disease, or sleep deprivation. The word is formed from "alert", which comes from the Italian "all'erta" (on the watch, literally, on the height; 1618)

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