Good Night's Sleep Key to Strong Memories

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	Good Night's Sleep Key to Strong Memories

Catshade

1-4-2009 4:57 AM

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tags:

sleep, night, memory, learning, rest, hormone, melatonin

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/74c81437-6568-4cb5-91a7-90be25c75429/D882E8A3-849E-4270-989F-050357C6EAA6/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.livescience.com/health/071115-sleep-memories.html" href="http://www.livescience.com/health/071115-sleep-memories.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/071115-sleep-memories.html"><P>
Scientists  are finding new evidence that a good night's rest plays a crucial role in cementing  memories formed during the day.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/071115-sleep-memories.html"><P>
One new  study has identified a brain region involved, along with the hippocampus, in  creating <A href="http://www.livescience.com/health/070409_memory_overload.html">memories</A> of the day's activities during sleep. Another study suggests melatonin, a  hormone involved in regulating our day-night cycle, or "circadian  rhythm," acts to suppress the formation of new memories as bedtime nears,  perhaps in an effort to give memories made earlier in the day a chance to be  prepared for long-term storage.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/071115-sleep-memories.html"><P>
So does  that mean learning is best done during the day and not at night? 
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/071115-sleep-memories.html"><P>
Maybe,  Roman said, but he points out that the human memory system is much more complex  than that of the zebrafish, and while melatonin should inhibit memory formation  at night in us, its effects will be buffered by other hormones and other brain  components.
</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D882E8A3-849E-4270-989F-050357C6EAA6/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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