Conquering Your Fears, One Synapse at a Time


	Conquering Your Fears, One Synapse at a Time

einbar

6-3-2008 10:09 AM

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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/eb2ee7a5-cf27-432f-a5a0-6c55f7590e45/658EBAA9-CB4B-4E0A-B92E-322B30786C5F/" 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://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time" href="http://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time" style="font-size: 11px;">discovermagazine.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/discovermagazine.com/img/C9FC4B89-0647-4264-A026-C29E3B407518" alt="Image description" /></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://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time"><H2>Conquering Your Fears, One Synapse at a Time</H2></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://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time"><H3>Proteins in the brain may be the key to un-learning fear—or retaining memory. </H3></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://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time"><P>Unlearning a fear may sound simple, but for years neuroscientists believed such emotion was entrenched, set in stone by fixed neuronal networks in the brain, and thus unaffected by new information. Now <A href="http://www.ncbi.nlm.nih.gov/pubmed/18258863?ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_RVDocSum" target="_blank">a study</A> led by Bong-Kiun Kaang at Seoul National University has altered that view: Every time a long-term memory or an associated emotion, like fear, is retrieved, <A href="http://discovermagazine.com/2003/apr/breakmemory/">proteins found in the synapses</A> between neurons are degraded, allowing that memory to be updated by incoming information.</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://discovermagazine.com/2008/may/28-conquering-your-fears-one-synapse-at-a-time"><P>To demonstrate how the fear-altering process works, Kaang and his colleagues put mice into a box with a wire mesh bottom and shocked them for one second, teaching them to fear the box.</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/658EBAA9-CB4B-4E0A-B92E-322B30786C5F/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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