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Why The Placebo Effect Varies From Person To Person
Mohir
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7-19-2007 10:44 AM
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placebo
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brain
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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://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/60545e04-4c4e-4233-979b-512817beb750/A939EED6-8849-4BDC-A8A1-6DC73EADAD69/" 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.sciencedaily.com/releases/2007/07/070718140746.htm" href="http://www.sciencedaily.com/releases/2007/07/070718140746.htm" style="font-size: 11px;">www.sciencedaily.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencedaily.com/releases/2007/07/070718140746.htm"><H1 class="story">Great Expectations: Why The Placebo Effect Varies From Person To Person</H1></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.sciencedaily.com/releases/2007/07/070718140746.htm"><P class="first"><EM><A href="http://www.sciencedaily.com" linkindex="12" set="yes">Science Daily</A> —</EM> Why do some people experience a "placebo effect" that makes them feel better when they receive a sham treatment they believe to be real -- while other people don't respond at all to the same thing, or even feel worse?</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.sciencedaily.com/releases/2007/07/070718140746.htm"><P>Using two different types of brain scans, U-M researchers have found that the extent to which a person responds to a placebo treatment is closely linked to how active a certain area of their brain becomes when they're anticipating something beneficial. </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.sciencedaily.com/releases/2007/07/070718140746.htm"><P>Specifically, the research finds strong links between an individual's response to a placebo "painkiller", and the activity of the neurotransmitter known as dopamine in the area of the brain known as the nucleus accumbens. That's a small region at the center of the brain that's involved in our ability to experience pleasure and reward, and even to become addicted to the "high" caused by illicit drugs.</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/A939EED6-8849-4BDC-A8A1-6DC73EADAD69/blog/" title="blog or email this clip"><img src="http://content9.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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