Sticky slides - PowerPoint presentation design blog: Optical illusions - the brain just sees what it expects to see March 25, 2010 Get link Facebook X Pinterest Email Other Apps http://stickyslides.blogspot.com/2010/03/optical-illusions-brain-just-sees-what.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+stickyslides+%28Sticky+Slides+-+ideas+to+change+the+world%2C+one+presentation+at+a+time%29&utm_content=Google+Reader Comments
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