Implications
Though interesting on its own as a technique for producing sensations of depth in printed images, the discovery also had implications in cognitive science and the study of perception.
The random dot stereogram provided insight on how stereo vision is processed by the human brain. According to Ralph Siegel, Dr. Julesz had "unambiguously demonstrated that stereoscopic depth could be computed in the absence of any identifiable objects, in the absence of any perspective, in the absence of any cues available to either eye alone."
Dr. Julesz termed this 'cyclopean perception' based on his theory that the brain forms a single-image mental model of a scene, as a Cyclops would, but with depth information added, despite receiving two disparate images from the eyes. His theories and work are detailed in his 1971 book.
Read more about this topic: Random Dot Stereogram
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