Article: Security News Tips From Purdue University: Guards, War Coverage; Technology for Safer Airports.

Byline: Purdue University

WEST LAFAYETTE, Ind., Sept. 2 (AScribe Newswire) -- Purdue University today released the following advisory:

SECURITY STARTS WITH VISUAL PERCEPTION

Security guards will do a double take when they learn they can't always believe their eyes, says a Purdue University psychology expert in neural networks.

Gregory Francis, a professor in the School of Liberal Arts, evaluates the after-effects of visual images.

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