The seeing hand | Clipmarks


	The seeing hand

balthazarus

4-11-2009 9:42 AM

449 views

balthazarus says:

A nice experiment into the way the neural system operates. An autonomous internal dynamics, an autonomous environment, and a meeting line.

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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/199e1b4f-cb19-4fa2-9844-1c7486d22228/8BAE4DA7-0FFE-4CB7-B146-2D655E5A599B/" 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.zmescience.com/touch-and-sight-more-connected-than-previously-thought" href="http://www.zmescience.com/touch-and-sight-more-connected-than-previously-thought" style="font-size: 11px;">www.zmescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/touch-and-sight-more-connected-than-previously-thought">Touch and sight - more connected than previously thought</blockquote><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://content7.clipmarks.com/images/clip-icon.gif" 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.zmescience.com/touch-and-sight-more-connected-than-previously-thought" href="http://www.zmescience.com/touch-and-sight-more-connected-than-previously-thought" style="font-size: 11px;">www.zmescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.zmescience.com/touch-and-sight-more-connected-than-previously-thought"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.zmescience.com/img/2BFFD06C-F397-4214-8526-9838B5522BE1" alt="" /></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://www.zmescience.com/touch-and-sight-more-connected-than-previously-thought"><P>What you see may be very much related to what you’ve just felt. Even though we were taught at school that each sense is processed in another area of the brain it seems that this theory may be wrong and that there is a lot more to understand about the way human brain works.</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.zmescience.com/touch-and-sight-more-connected-than-previously-thought"><P>As an example, a light ripple of pins moving up the fingertip tricked the subjects of a study into perceiving some lines moving on a screen as moving down, and the other way around. So, there is something going on.</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.zmescience.com/touch-and-sight-more-connected-than-previously-thought"><P>In order to take the theory even further, a trick of perception named aftereffect was used by scientists, a phenomenon that occurs for example when watching a waterfall. Staring at it for some time will eventually make one perceive the stationary rocks as moving up. This happens because the neurons which are in charge of the “down” get tired while the “up” ones are still fresh and create this impression.</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.zmescience.com/touch-and-sight-more-connected-than-previously-thought">quite clear that sight and touch are connected</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/8BAE4DA7-0FFE-4CB7-B146-2D655E5A599B/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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