fear | Clipmarks


	fear

reidenschneider

7-20-2007 6:05 AM

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tags:

brain, cognition, psychology

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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://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/ee31d6af-6ea8-46d7-bdf4-66486bc2bcef/DC8C56EF-C979-425E-81A2-105919698C1F/" 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.world-science.net/othernews/070715_fear.htm" href="http://www.world-science.net/othernews/070715_fear.htm" style="font-size: 11px;">www.world-science.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.world-science.net/othernews/070715_fear.htm"><FONT size="5" face="Arial">How fear memories take hold</FONT></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.world-science.net/othernews/070715_fear.htm"><DIV>Researchers have uncovered a molecular mechanism that they say governs the formation of fears stemming from traumatic events. The work could lead to the first drug to treat the millions of adults who suffer each year from persistent, debilitating fears, they add, including soldiers returning from       
      Iraq and Afghanistan.</DIV></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.world-science.net/othernews/070715_fear.htm"><DIV>
      In the new study, Neuroscientist Li-Huei Tsai of the Massachussets Institute of Technology in Cambridge, Mass. and colleagues found that inhibiting the activity of a molecule in the brain called Cdk5 helps to eliminate fears learned in a particular context. Conversely, the learned fear persisted when the activity of the molecule, known as a kinase, was increased in the hippocampus, the brain’s center for storing memories. </DIV></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/DC8C56EF-C979-425E-81A2-105919698C1F/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>

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