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	<title>Usability Corner &#187; Optical Illusion</title>
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	<link>http://usabilitycorner.com</link>
	<description>Some random thoughts about psychology, user experience, conscious thinking, design and technology</description>
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		<title>The pattern behind self-deception</title>
		<link>http://usabilitycorner.com/index.php/2010/06/24/234/</link>
		<comments>http://usabilitycorner.com/index.php/2010/06/24/234/#comments</comments>
		<pubDate>Fri, 25 Jun 2010 03:31:07 +0000</pubDate>
		<dc:creator>Manish Vashist</dc:creator>
				<category><![CDATA[Cognitive science]]></category>
		<category><![CDATA[Optical Illusion]]></category>

		<guid isPermaLink="false">http://usabilitycorner.com/?p=234</guid>
		<description><![CDATA[Michael Shermer says the human tendency to believe strange things &#8212;  from alien abductions to dowsing rods &#8212; boils down to two of the  brain&#8217;s most basic, hard-wired survival skills. He explains what they  are, and how they get us into trouble.

It is always interesting to see examples on how our  [...]]]></description>
			<content:encoded><![CDATA[<p>Michael Shermer says the human tendency to believe strange things &#8212;  from alien abductions to dowsing rods &#8212; boils down to two of the  brain&#8217;s most basic, hard-wired survival skills. He explains what they  are, and how they get us into trouble.</p>
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<p><span id="t_123289">It is always interesting to see examples on how our  minds work and how easy it is to link this behavior to our development  and evolution in a logic way.</p>
<p>I believe that there is much truth to the saying: &#8220;The more you learn,  the more you realize how little you know&#8221;<br />
By getting educated you realize both how much knowledge there is in the  world and how complex the world is. You realize that if you get a new  idea or a theory, it is extremely likely that somebody have got the same  idea before you and already tested it. If you never heard of the idea  or theory before, it is extremely likely that it was false. Therefore  you get in some way also skeptical when other people have ideas. I think  therefore that it is not a coincident that skepticism increases with  level of education.</span></p>
<p><span id="t_123500">Consider the question,   &#8220;Why, given the fact that  human beings have so much potential, so much intelligence&#8230; our  cultures are so amazingly diverse and creative and our technology so  advanced&#8230; Why are we committing species suicide by destroying the  habitability of our planet?</p>
<p>Shermer&#8217;s lucid and highly relevant talk, using the powerful tool of  scientific method as a means of examining the characteristics of our own  mind and brain, give us a verifiable and objective answer to this  question.</p>
<p>That answer is that human awareness is flawed and has become  dysfunctional in the modern era.   Sherner clearly delineates the nature  of those flaws.   Once we are aware of this, we can take action to  ameliorate the destructive impact of those flaws in our awareness.    This is liberation and freedom from ancient bondages and a small chance  for our species to pull out of our nosedive before we drill a big hole.</span></p>
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		<title>Optical illusions show how we see</title>
		<link>http://usabilitycorner.com/index.php/2009/10/09/optical-illusions-show-how-we-see/</link>
		<comments>http://usabilitycorner.com/index.php/2009/10/09/optical-illusions-show-how-we-see/#comments</comments>
		<pubDate>Fri, 09 Oct 2009 05:35:41 +0000</pubDate>
		<dc:creator>Manish Vashist</dc:creator>
				<category><![CDATA[Optical Illusion]]></category>

		<guid isPermaLink="false">http://usabilitycorner.com/?p=208</guid>
		<description><![CDATA[Beau Lotto&#8217;s  color games puzzle your vision, but they also spotlight what you can&#8217;t normally see: how your brain works . This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what&#8217;s really out there. 
In my business I have studied a lot of that stuff, however I still [...]]]></description>
			<content:encoded><![CDATA[<p><a id="aptureLink_FoJIVx4qnQ" href="http://search.twitter.com/search?q=Beau Lotto">Beau Lotto&#8217;s </a> color games puzzle your vision, but they also spotlight what you can&#8217;t normally see: <a id="aptureLink_x8HikckqSV" href="http://www.youtube.com/watch?v=IK1nMQq67VI">how your brain works</a> . This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what&#8217;s really out there. <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="446" height="326" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="allowFullScreen" value="true" /><param name="wmode" value="transparent" /><param name="bgColor" value="#ffffff" /><param name="flashvars" value="vu=http://video.ted.com/talks/dynamic/BeauLotto_2009G-medium.flv&amp;su=http://images.ted.com/images/ted/tedindex/embed-posters/BeauLotto-2009G.embed_thumbnail.jpg&amp;vw=432&amp;vh=240&amp;ap=0&amp;ti=653&amp;introDuration=16500&amp;adDuration=4000&amp;postAdDuration=2000&amp;adKeys=talk=beau_lotto_optical_illusions_show_how_we_see;year=2009;theme=art_unusual;theme=new_on_ted_com;theme=how_the_mind_works;theme=speaking_at_tedglobal2009;theme=evolution_s_genius;event=TEDGlobal+2009;&amp;preAdTag=tconf.ted/embed;tile=1;sz=512x288;" /><param name="src" value="http://video.ted.com/assets/player/swf/EmbedPlayer.swf" /><param name="bgcolor" value="#ffffff" /><param name="allowfullscreen" value="true" /><embed type="application/x-shockwave-flash" width="446" height="326" src="http://video.ted.com/assets/player/swf/EmbedPlayer.swf" wmode="transparent" bgcolor="#ffffff" allowfullscreen="true" flashvars="vu=http://video.ted.com/talks/dynamic/BeauLotto_2009G-medium.flv&amp;su=http://images.ted.com/images/ted/tedindex/embed-posters/BeauLotto-2009G.embed_thumbnail.jpg&amp;vw=432&amp;vh=240&amp;ap=0&amp;ti=653&amp;introDuration=16500&amp;adDuration=4000&amp;postAdDuration=2000&amp;adKeys=talk=beau_lotto_optical_illusions_show_how_we_see;year=2009;theme=art_unusual;theme=new_on_ted_com;theme=how_the_mind_works;theme=speaking_at_tedglobal2009;theme=evolution_s_genius;event=TEDGlobal+2009;&amp;preAdTag=tconf.ted/embed;tile=1;sz=512x288;"></embed></object></p>
<p>In my business I have studied a lot of that stuff, however I still love to see the <a id="aptureLink_gc6yx1Uv93" href="http://en.wikipedia.org/wiki/Illusion">illusions</a>  created by context, and how fun it is to experience first hand with simple exercises.</p>
<p>I was under the impression, prior to this talk, that our cones got over-excited when we stared at the dot between the two colors, and that it was the slow recess of that excitement that caused the <a id="aptureLink_ZQRGTf0yt8" href="http://www.metacafe.com/watch/807263/">color illusion </a> to persist. But his explanation is much more consistent with the other experiments, showing that it is a result, not of weak hardware, but of extremely powerful software, as the brain steps in to tweak the info according to what it has inferred from the past. Scary stuff.</p>
<p>This talk is about <a id="aptureLink_tCCYUrcPXZ" href="http://www.metacafe.com/watch/816184/">optical illusions</a> , but really, it is about how the brain works. Remember how the speaker explains that &#8220;context&#8221; is everything? Read the book &#8220;<a id="aptureLink_QDdci5fI1U" href="http://www.youtube.com/watch?v=38FUgCV74YY">Management Rewired</a> &#8221; by Charles S. Jacobs, the book explains how to achieve and create &#8220;illlusions&#8221; in the corporate environment in order to get people to &#8220;see&#8221; what you want them to &#8220;see&#8221; by using stories to rewire the brain&#8217;s context. The more you repeat the story and reinforce it, the more it conditions the mind, just like what happened with the white dot between the green/red boxes.</p>
<p>This talk left me wanting much more about implications, consequences et al; this desire is both a good and a bad thing!</p>
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		<item>
		<title>The Right Brain vs Left Brain test &#8211; Optical Illusion</title>
		<link>http://usabilitycorner.com/index.php/2008/11/20/the-right-brain-vs-left-brain-test-optical-illusion/</link>
		<comments>http://usabilitycorner.com/index.php/2008/11/20/the-right-brain-vs-left-brain-test-optical-illusion/#comments</comments>
		<pubDate>Thu, 20 Nov 2008 16:23:18 +0000</pubDate>
		<dc:creator>Manish Vashist</dc:creator>
				<category><![CDATA[Cognitive science]]></category>
		<category><![CDATA[Optical Illusion]]></category>
		<category><![CDATA[Right Brain vs Left Brain]]></category>

		<guid isPermaLink="false">http://www.usabilitycorner.com/?p=144</guid>
		<description><![CDATA[[ad]
This is a Right Brain vs Left Brain test. Do you see the dancer turning clockwise or anti-clockwise?
httpv://www.youtube.com/watch?v=9CEr2GfGilw
If clockwise, then you use more of the right side of the brain and vice versa.
Most of us would see the dancer turning anti-clockwise though you can try to focus and change the direction; see if you can [...]]]></description>
			<content:encoded><![CDATA[<p>[ad]</p>
<p>This is a Right Brain vs Left Brain test. Do you see the dancer turning clockwise or anti-clockwise?</p>
<p>httpv://www.youtube.com/watch?v=9CEr2GfGilw</p>
<p>If clockwise, then you use more of the right side of the brain and vice versa.</p>
<p>Most of us would see the dancer turning anti-clockwise though you can try to focus and change the direction; see if you can do it. Personally I tried it and I can switch back between clock wise and anti clock wise. I focus on the feet and the shadow to do that.</p>
<p><strong>LEFT BRAIN FUNCTIONS</strong></p>
<ul>
<li>uses logic</li>
<li>detail oriented</li>
<li>facts rule</li>
<li>words and language</li>
<li>present and past</li>
<li>math and science</li>
<li>can comprehend</li>
<li>knowing</li>
<li>acknowledges</li>
<li>order/pattern perception</li>
<li>knows object name</li>
<li>reality based</li>
<li>forms strategies</li>
<li>practical</li>
<li>safe </li>
</ul>
<p><strong>RIGHT BRAIN FUNCTIONS</strong></p>
<ul>
<li>uses feeling</li>
<li>&#8220;big picture&#8221; oriented</li>
<li>imagination rules</li>
<li>symbols and images</li>
<li>present and future</li>
<li>philosophy &amp; religion</li>
<li>can &#8220;get it&#8221; (i.e. meaning)</li>
<li>believes</li>
<li>appreciates</li>
<li>spatial perception</li>
<li>knows object function</li>
<li>fantasy based</li>
<li>presents possibilities</li>
<li>impetuous</li>
<li>risk taking</li>
</ul>
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