When Do Dreams Begin?


	When Do Dreams Begin?

chestnut501

7-3-2009 4:12 PM

145 views

tags:

science, biology, brain, neuroscience, development, dreams, dreaming, rem, fetus, non-rem

chestnut501 says:

Recent research from the American Institute of Physics has found that the our dreaming sleep begins much earlier than previously thought.

Add a Comment

Login to Comment. Not a member yet? Sign up

Today's Top Clips

visit the Top Clips page

View the Top Clips from July 3, 2009

Embed This Clip In Your Site...

<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/6f903709-723f-49e3-ae48-599024f52c06/9128F1BA-34D8-46BD-AED6-72EF99D4227F/" 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.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963" href="http://www.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963" style="font-size: 11px;">www.scientificamerican.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963">
<P done0="69" done2="69">Why we <A 
href="http://www.sciam.com/article.cfm?id=strange-but-true-less-sleep-means-more-dreams">dream</A> 
continues to elude us. Scientists have proven we need to dream. When robbed of 
their dreams, <A 
href="http://www.sciam.com/article.cfm?id=strange-but-true-less-sleep-means-more-dreams">rats 
die within four weeks</A>.</p> <P>We also know that at seven months a fetus is dreaming, its muscles and eye 
movements giving the tell-tale signs of REM (or rapid eye movement) sleep and 
non-REM sleep. But what happens before seven months? When do our dreams 
begin?</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.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963"><P done0="71" done2="71">Research published in <A href="http://chaos.aip.org/"><EM>Chaos</EM></A>, a journal of <A href="http://www.aip.org/">The American Institute of Physics</A>, provides the first attempt at an answer.</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.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963">Mathematicians analyzed the brainwaves of a fetal sheep <A 
href="http://en.wikipedia.org/wiki/In_utero">in utero</A>, at 15-weeks. </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.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963">But using sophisticated mathematics, scientists discerned a pattern of cortical 
activation and deactivation, cycling every five to ten minutes — this, the 
scientists note, is a crude precursor to the longer cycles of REM and non-REM 
sleep.</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.scientificamerican.com/podcast/episode.cfm?id=AF9F9A3F-C218-FDE8-04B4E19DC40E5963">the study shows that dreamlike sleep develops before rapid eye movements. And 
the discovery may give researchers new insight into the purpose of sleep and 
dreams.</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/9128F1BA-34D8-46BD-AED6-72EF99D4227F/blog/" title="blog or email this clip"><img src="http://content8.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>