The Huck Institutes of the Life Sciences

What Art can tell us about the Brain

Margaret S. Livingstone, Ph.D. (Harvard Medical School)

When: Tuesday, March 4, 2008 - 4:00pm - 5:00 pm
Where: Berg Auditorium, 100 Life Sciences Building
Name: Dr Suchismita Sen
Phone: 814-863-8940

Artists have been doing experiments on vision longer than neurobiologists. Some major works of art have provided insights as to how we see; some of these insights are so fundamental that they can be understood in terms of the underlying neurobiology.  For example, artists have long realized that color and luminance can play independent roles in visual perception. Picasso said, "Colors are only symbols.  Reality is to be found in luminance alone."  This observation has a parallel in the functional subdivision of our visual systems, where color and luminance are processed by the newer, primate-specific What system, and the older, colorblind, Where (or How) system.  Many techniques developed over the centuries by artists can be understood in terms of the parallel organization of our visual systems.  I will explore how the segregation of color and luminance processing are the basis for why some Impressionist paintings seem to shimmer, why some op art paintings seem to move, some principles of Matisse's use of color, and how the Impressionists painted "air".  Central and peripheral vision are distinct, and I will show how the differences in resolution across our visual field make the Mona Lisa's smile elusive, and produce a dynamic illusion in Pointillist paintings, Chuck Close paintings, and photomosaics.  I will discuss why learning disabilities may be associated with artistic talent.

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