Monkeys learn more from success than failure


	Monkeys learn more from success than failure

kelvin273

8-5-2009 3:29 AM

27 views

tags:

behavior, learning, science

kelvin273 says:

My theory has been that people who make mistakes are often so busy trying to rationalize how they didn't really do anything wrong that they don't learn from them.

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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/ac17e49d-5b1b-4e82-902a-4a5e228e28cd/EB73AB9B-6A5C-4B33-9EC2-609C16E872FE/" 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.msnbc.msn.com/id/32287782/ns/health-behavior/" href="http://www.msnbc.msn.com/id/32287782/ns/health-behavior/" style="font-size: 11px;">www.msnbc.msn.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.msnbc.msn.com/id/32287782/ns/health-behavior/">The research, done on monkeys, suggests that the <A target="_blank" href="http://www.livescience.com/topic/brain">brain neurons</A> involved in learning may process information more effectively after a success than after a failure,</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.msnbc.msn.com/id/32287782/ns/health-behavior/">The researchers monitored neurons in the monkey's prefrontal cortex and the basal ganglia — two areas of the brain thought to be involved in <A target="_blank" href="http://www.livescience.com/health/090728-learning-potential.html">learning</A>.</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.msnbc.msn.com/id/32287782/ns/health-behavior/">But what surprised the researchers was that these neurons actually became more "finely tuned" after a correct response than after an incorrect response,</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.msnbc.msn.com/id/32287782/ns/health-behavior/">But this research seems to contradict the results of previous studies that suggest <A target="_blank" href="http://www.livescience.com/health/070701_brain_mistakes.html">we do learn from our mistakes</A>. However, this assumption is not necessarily true, since what we learn depends on the type of mistake, according to Miller. </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.msnbc.msn.com/id/32287782/ns/health-behavior/">When the failure actually leads to a negative consequence rather than just the absence of a positive, that might engage learning mechanisms that rely on feedback from that negative consequence, so maybe it’s a different situation," he said. </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/EB73AB9B-6A5C-4B33-9EC2-609C16E872FE/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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