Visual Perception Theory

Visual Perception is based on one of our sensory organs- Visual Organ (eyes). These sensory organs are - visual, olfactory; touch, auditory and taste help us in transmitting information to our brain for our survival. Each sense organ is part of a sensory system which receives sensory inputs and transmits sensory information to the brain.
Psychologists debate on the reliability of perception and experience. “A major theoretical issue on which psychologists are divided is the extent to which perception relies directly on the information present in the stimulus.” In this regard of the scientists believe that perceptual processes are not direct, but depend on the perceiver's expectations and previous knowledge as well as the information available in the stimulus itself.

(Read more: http://www.simplypsychology.org/perception-theories.html ; June 6, 2012

Visual Illusion is a subject that has raised lot of interests among psychologists. The first booked is authored by Matthew Luckiesh in 1922 on optical illusions book entitled - Visual Illusions: Their Causes, Characteristics and Applications. Luckiesh applied his theory in practical while designing camouflage gears during the WWI. He could use the technique of Optical Illusion while designing the uniform that would merge in nature.

(Ref. http://www.visualillusion.net/ ; & http://psychology.about.com/od/sensationandperception/f/trichrom.htm ; June 6, 2012)