The nature of vision is the subject of a special exhibit of works by artists and scientists called Thresholds: Limits of Perception, presented by NYU's visual science program. Below are two selections from the show, which runs from October 14-25, 1997.

Art for Science?s Sake
(Posted October 3, 1997 ?&nbspIssue 17; archived October 3, 1997)

Lincoln
Bela Julesz & Leon Harmon
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Bela Julesz has been involved in visual research, particularly depth perception and pattern recognition for many years. This particular work in conjuction with Leon Harmon, exploring the limits of visual recognition, was featured on the cover of Science magazine (Harmon, L. D. and Julesz, B. (1973) Masking in visual recognition: effects of two-dimensional filtered noise. Science, 180, 1194-1197.)

Science for Art?s Sake

Keith/four times
by Chuck Close, 1975, lithograph, 30x88", published by Parasol Press Ltd., New York City, photo by Ellen Page Wilson, courtesy PaceWildenstein Gallery
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"Using photographs and grids has imposed a discipline upon my paintings that frees me to experiment with their detailed structure." The richly detailed portraits of Chuck Close often take on a pixellated character; he will be a participant in the symposium accompanying this exhibit.

Human, full body scan by Meditherm, and: Recollections by Ed Tannenbaum; (Issue 16 ? posted September 19, 1997)
Praying Mantis by Kenneth J. Stein, and: StareCase by Alan Dorin; (Issue 15 ? posted September 5, 1997)
Pure GFP by Yang Hong,: Victor Ambros Lab, Dartmouth and; Light Forest by Betsy Connors; (Issue 14 ? posted August 15, 1997)
Peeled Polymer Magnified (200 micrometers) by Felice Frankel and: NanoFuture Space 6 by Alexa R.W. Smith; (Issue 13 ? posted July 25, 1997)
Visible Human Female, from Center for Human Simulation: at the University of Colorado Health Sciences Center and; Interior Cartography No.9 by Tatiana Parcero; (Issue 12 ? posted July 12, 1997)
Hydromantes shastae, by Randy Schmieder and: Rat-King (Rattenkonig) by Katharina Fritsch; (Issue 11 ? posted June 27, 1997)
Porphyra columbina, from The Protist Image Data Gallery and: Binary worms by Jim Pallas; (Issue 10 ? posted June 13, 1997)

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