Describe each system and provide at least one perceptual disadvantage for each of the following three-dimensional display methods: Pulfrich phenomenon

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Describe each system and provide at least one perceptual disadvantage for each of the following three-dimensional display methods: Pulfrich phenomenon



Pulfrich is based on the phenomenon of the human visual system processing images more slowly when there is less light as when looking through a dark lens. The most widely accepted theory for this illusion is that reducing the brightness of a stimulus to the retina of one eye causes relatively slower excitation of the photoreceptors and therefore a delayed processing of the image relative to the other eye.

Disadvantage: Many ocular or neurological disorders that affect the visual pathway can produce a delay in signal transmission to the brain, creating a geometric disparity. The illusions created by this geometric disparity produce troublesome symptoms for individuals with a condition and is why many patients experience problems in everyday life as a result of the phenomenon.

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