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Scientists Discover Why Extreme Sports Give Us a High
tabsey
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6-28-2008 11:51 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/730524be-1a14-4eae-b4fb-0c080b965fd1/A9B1E109-7288-4211-95E6-3680C88EB5E3/" 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.dailygalaxy.com/my_weblog/2008/06/researchers-dis.html" href="http://www.dailygalaxy.com/my_weblog/2008/06/researchers-dis.html" style="font-size: 11px;">www.dailygalaxy.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailygalaxy.com/my_weblog/2008/06/researchers-dis.html"><P><A href="http://www.dailygalaxy.com/photos/uncategorized/2008/06/26/article1029565007f357200000258288_4.jpg"><IMG height="200" border="0" width="327" alt="Article1029565007f357200000258288_4" title="Article1029565007f357200000258288_4" src="http://www.dailygalaxy.com/my_weblog/images/2008/06/26/article1029565007f357200000258288_4.jpg" /></A> A primitive area of our brain makes us adventurous. New research suggests that new experience drives choice behavior in humans, even when the degree of familiarity with an option is completely unrelated to choice outcome. The research reveals fascinating insights into the brain mechanisms that underlie the tendency to explore, and even value, unfamiliar options. </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.dailygalaxy.com/my_weblog/2008/06/researchers-dis.html"><P>Using brain scans to measure blood flow, British researchers discovered that a brain region known as the ventral striatum was more active when subjects chose unusual objects in controlled tests. The ventral striatum is involved in processing rewards in the brain through the release of neurotransmitters like dopamine.</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.dailygalaxy.com/my_weblog/2008/06/researchers-dis.html"><P>Novelty seeking can be strongly adaptive because unfamiliarity tends to be associated with uncertainty and the potential for valuable outcomes. </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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/A9B1E109-7288-4211-95E6-3680C88EB5E3/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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