Monday, February 13, 2012

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Expert_badge Florence Cardinal

Florence Cardinal

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Total Sleep Deprivation and the Brain

Long periods of sleep deprivation are often a way of life for members of essential services, including medical and military personnel. Sleep deprivation can lead to poor decisions, indecisiveness, accidents and even death.   For almost four years, Dr. Sean Drummond, researcher with the Department of Defense, has conducted a study into the... Read moreChevron
posted 07/09/2010, comment (1)|
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suceel

suceel

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Cognitive Impairment

Poor sleep quality harms and may ultimately ruin your intellectual capacity. Night after night of bad and broken sleep makes you not as smart as you could be, and sometimes it makes you downright stupid. Sleep restores the workings of your mind by improving your ability to learn new things, consolidate your memory, and enhance your mood, all of... Read moreChevron
posted 11/13/2008, comments (0)|
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Expert_badge Allen Blaivas, M.D.

Allen Blaivas, M.D.

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The Function of Sleep Not Quite Explained

We finished the last blog in mid-thought.  We were talking about REM sleep and the idea of brain plasticity- the rewiring of our brains that take place when we learn new information.   A recent study in rats showed that 4 days of REM sleep deprivation decreased the amount of new cells in the part of the brain that is associated with... Read moreChevron
posted 10/31/2008, comment (1)|
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Expert_badge Allen Blaivas, M.D.

Allen Blaivas, M.D.

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Memory, Brain Function, and REM Sleep: Are They Related?

In my last blog we discussed at length the different stages of sleep, namely non-REM and REM, the biological need for sleep to stay alive, and started discussing what some researchers believe may be the function of some portions of non-REM sleep.  We reviewed how there is some evidence linking declarative memory (memory of facts and figures)... Read moreChevron
posted 10/21/2008, comments (2)|
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Expert_badge Florence Cardinal

Florence Cardinal

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Sleep More, Learn More

A study conducted by scientists in Switzerland revealed that a good night's sleep strengthened the nerve cells that control learning and memory. But --- can you actually learn while you're sleeping? If you listen to a CD on the history of Greece while in deep slumber, will the information be stored in your brain cells, ready for that big test... Read moreChevron
posted 07/22/2008, comments (0)|
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