Professor Bruce Hood demonstratse the kanizsa illusion on the audience. The kanizsa illusion , named after the psychologist Gaetano Kanizsa, shows how our brain can create the illusion that an object exists when sections of a shape is removed.
This clip is part of the Christmas Lectures 2011 presented by Professor Bruce Hood - Lecture One: What's in your head?
View the full Lectures on the Ri Channel:
www.richannel.org/christmas-lectures/2011/meet-your-brain