Emotions Run Amok in Sleep-Deprived Brains


	Emotions Run Amok in Sleep-Deprived Brains

Charolastra

11-14-2007 7:03 AM

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tags:

emotions, sleep

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11-14-2007 6:11 PM

Marcariel

Sleep deprivation and worrying at night are my worst enemies. I had a nervous breakdown just before my first marriage came apart because of these two things. We need to ... sleep ... zzzzzzzz ....

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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:#ccffcc;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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/7e754ec8-67e9-46a8-86e9-fde9a93e7142/DC0DACFA-250A-4D7B-BCD7-3CDA5898B35E/" 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/071022-sleep-emotions.html" href="http://www.livescience.com/health/071022-sleep-emotions.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/071022-sleep-emotions.html"><P>
Without sleep, the emotional centers of our brains dramatically overreact to bad experiences, research now reveals.
</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/071022-sleep-emotions.html"><P>
Anyone who has ever gone without a <A href="http://www.livescience.com/health/070928_hn_sleep.html">good night's sleep</A>  is aware that doing so can make a person emotionally irrational. While past studies have revealed that sleep loss can impair the immune system and brain processes such as learning and memory, there has been surprisingly little research into why sleep deprivation affects emotions, Walker said.
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Walker and his colleagues had 26 healthy volunteers either get normal sleep or get sleep deprived, making them stay awake for roughly 35 hours. On the following day, the researchers scanned brain activity in volunteers using functional magnetic resonance imaging (fMRI) while they viewed 100 images. These started off as emotionally neutral, such as photos of spoons or baskets, but they became increasingly negative in tone over time—for instance, pictures of attacking sharks or vipers.
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