Illusion And Sensory Context Does Not Come From The Sensory Information

1054 Words Oct 22nd, 2015 null Page
Illusion and sensory context does not come from the sensory information sent by our optic nerves but how the brain processes the information and relates them through our past experiences. In July 2009, Beau Lotto talks about the importance of context in sensory information in Oxford, England. In this Etalk, Beau stresses that “the sensory information that falls into your eyes is meaningless” and our brain that makes sense to these information are always changing. The speaker demonstrates his claim by asking the audience to read series of words with missing letters. He explains that the brain associates the arrangement of the letters and patterns to our pre-existing knowledge of language. He then moves on to proving the plasticity of our brain in redefining the normality showing two identical pictures of desert. After making the audience focus on red and green colors the norm is changed and suddenly the identical pictures are now different in hue. The speaker also defines color and the importance of color by presenting a black and white picture of a jungle. Color helps us to differentiate the surfaces according to the light that they reflect. Lastly, Beau talks about the applications of images. One of them is the prosthetic sight using a camera with thirty-two squares that calculates the colors and converts it to a corresponding sound. It enables the visually impaired to have a sense of the surroundings. Another application is composition of music using colors, which is…

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