The genetics of fear


	The genetics of fear

Fast T friend

4-8-2008 7:49 AM

429 views

tags:

fear, phobia, genetics, research

Fast T friend says:

The results also show that clinicians may be able to prevent fears becoming ingrained by intervening at critical points during a child's development.

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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/e5b6f0f7-d299-4f9d-9655-dc4e708c9f1e/BDA7A6C5-7A5E-4A7D-9458-FB47D798CEF1/" 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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html" href="http://www.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html" style="font-size: 11px;">www.newscientist.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html">Our response to the <A href="http://www.newscientist.com/article/dn4458-fear-of-new-things-shortens-life.html">things that scare us</A>, from threatening men on dark streets to hairy spiders in the bath, is programmed to become active at different times in our lives, suggest two studies on the genetics of fear</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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html">Scientists already know that fears and phobias are shaped in part by genes.</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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html">But less is known about when the genes involved act and what effect they have.</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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html">his suggests babies are born with a "mental template" for spider shapes, and potentially for other things that may harm them</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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html">Once identified, spiders produce fear and disgust in many people. But that reaction, and the genes that shape it, change during our youth, according to a separate study by <A target="ns" href="http://www.gen.vcu.edu/faculty/adjunct/kendler.html">Kenneth Kendler</A> of Virginia Commonwealth University in Richmond and colleagues.</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.newscientist.com/article/dn13607-genes-trigger-phobias-in-kids-and-teens.html"><P>Kendler's team found that the genetic effect fluctuated as the children grew up. The genetic contribution to fears relating to blood and injuries peaked between ages 13 and 17, for instance.</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/BDA7A6C5-7A5E-4A7D-9458-FB47D798CEF1/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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