Anatomy of a false memory


	Anatomy of a false memory

Silkweaver

11-14-2008 7:35 AM

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tags:

neuroscience, brain, memory, anatomy

Silkweaver says:

A new study now reconciles these conflicting data, by showing that the different regions of the brain previously implicated are involved in different kinds of memory errors. It also pinpoints a specific region as being involved in false memories, and could help researchers better understand how the brain controls memory.

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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/1296898c-ddcc-4190-a9c9-0711e53d7aae/A966A371-687A-4B42-839D-C40CCFD2079E/" 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://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php" href="http://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php" style="font-size: 11px;">scienceblogs.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/scienceblogs.com/img/2CFA4170-1516-43BE-9FBA-6D55B891C8D4" alt="confabulation_neuroanatomy.jpg" /></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://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php"><P class="lead">We believe that memory provides us with a faithful record of past events. But in fact, it is well established that <A href="http://scienceblogs.com/neurophilosophy/2007/07/reconstructive_memoryconfabula.php" linkindex="90" set="yes">memory is reconstructive</A>, and not reproductive, in nature. In retrieval, a memory is pieced together from fragments, but during the reconstruction errors creep in due to our own biases and expectations.</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://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php"><P>Generally, these errors are small, so despite not being completely accurate, our memories are usually reliable. Occasionally, there are too many errors, and the memory becomes unreliable. In extreme cases, memories can be completely false.</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://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php"><P>False memory, or confabulation, is completely unintentional, and can occur spontaneously due, for example, to the suggestive power of a leading question or a <A href="http://scienceblogs.com/neurophilosophy/2007/11/the_camera_does_lie.php" linkindex="91">doctored photograph</A>. It can also following frontal lobe damage due to tumours, head injuries, or ruptured arteries. </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://scienceblogs.com/neurophilosophy/2008/06/anatomy_of_a_false_memory.php">Studies of confabulation have providing confusing results, mainly because they have implicated several different regions of the frontal lobes.</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/A966A371-687A-4B42-839D-C40CCFD2079E/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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