Universal Principles of Design, Revised and Updated
by William Lidwell, Kritina Holden, Jill Butler
Visuospatial Resonance
A phenomenon in which an image achieves optimal clarity due to resonance between the spatial frequency of the image and the observer’s distance from the image.
Interpreting images is a process that involves interplay between visual information received by the eyes and information stored in memory. The process begins with the eyes first locating the primary lines, edges, and boundaries in an image, pattern-matching these elements against elements in memory, and then proceeding in this back-and-forth manner between eyes and memory at increasing levels of detail until the interpretation is complete. The visibility of the lines, edges, and boundaries in the image is a function of the spatial frequency of the image and the distance ...
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