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Therika Mayoral's performance piece "Refraction I: Litotrixia" is named after the physics theory that describes the change in direction of a wave caused by a change in its speed. It's inspired by the symbolic importance of the lamb depicted in William Strutt's 1896 painting "Peace, and a Little Child Shall Lead Them." And it revolves around the use of a brick.

Mayoral, a Mexican performance artist who is doing research at the University at Buffalo's Department of Visual Arts as a short-term scholar, doesn't want to reveal more about the performance. The only thing she says the viewers should expect is "a connection." "I am interested in providing symbolic elements that can be assimilated by the viewers through the free association of their memories, experiences and personal references," she added in an email.

If this sounds like your kind of gamble -- or has at least earned your curiosity -- check out Mayoral's performance at 7 p.m. Saturday in the Big Orbit Gallery (30D Essex St.). The performance is free, and lasts approximately 30 to 40 minutes. For more cryptic information about "Refraction I: Litotrixia," visit www.bigorbitgallery.org.

-- Jason Silverstein