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<blockquote data-quote="tD33NAt" data-source="post: 2636613" data-attributes="member: 124445">When we gaze at a shape and then the shape disappears, a strange thing happens: We see an afterimage in the complementary color. Now a Japanese study has observed for the first time an equally strange illusion: The afterimage appears in a &quot;complementary&quot; shape - circles as hexagons, and vice-versa. &quot;The finding suggests that the afterimage is formed in the brain, not in the eye,&quot; the author, Hiroyuki Ito of Kyushu University, wrote in an email. More specifically, the illusion is produced in the brain&#039;s shape-processing visual cortex, not the eye&#039;s light-receiving, message-sending retina...<img src="http://feeds.feedburner.com/~r/mnt/healthnews/~4/Pe4P_Gs6LKQ" alt="" class="fr-fic fr-dii fr-draggable " data-size="" style="" /><a href="http://feedproxy.google.com/~r/mnt/healthnews/~3/Pe4P_Gs6LKQ/237376.php" target="_blank">More...</a></blockquote>

[QUOTE="tD33NAt, post: 2636613, member: 124445"] When we gaze at a shape and then the shape disappears, a strange thing happens: We see an afterimage in the complementary color. Now a Japanese study has observed for the first time an equally strange illusion: The afterimage appears in a "complementary" shape - circles as hexagons, and vice-versa. "The finding suggests that the afterimage is formed in the brain, not in the eye," the author, Hiroyuki Ito of Kyushu University, wrote in an email. More specifically, the illusion is produced in the brain's shape-processing visual cortex, not the eye's light-receiving, message-sending retina...[IMG]http://feeds.feedburner.com/~r/mnt/healthnews/~4/Pe4P_Gs6LKQ[/IMG] [url=http://feedproxy.google.com/~r/mnt/healthnews/~3/Pe4P_Gs6LKQ/237376.php]More...[/url] [/QUOTE]

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