Visual perception
Visual Perception
Visual perception is the ability to interpret the surrounding environment using light in the visible spectrum reflected by the objects in the environment. This is different from visual acuity, which refers to how clearly a person sees (for example "20/20 vision"). A person can have 20/20 vision and still have problems with visual perceptual processing.
Pronunciation
/ˈvɪʒʊəl pərˈsɛpʃən/
Etymology
The term "visual perception" is derived from the Latin words "visus" meaning "sight" and "perceptio" meaning "receiving, collecting, action of taking possession, apprehension with the mind or senses."
Related Terms
- Visual system: The sensory system for vision. It includes the eye, the optic nerve, and the visual areas of the brain.
- Perception: The process of attaining awareness or understanding of sensory information.
- Visual field: The "spatial array" of visual sensations available to observation in introspectionist psychological experiments.
- Visual acuity: Clarity of vision, often measured in terms of the ability to read letters of the alphabet on an eye chart.
- Visual cortex: The part of the brain where visual information is processed.
- Optical illusion: An illusion caused by the visual system and characterized by a visual percept that arguably appears to differ from reality.
See Also
External links
- Medical encyclopedia article on Visual perception
- Wikipedia's article - Visual perception
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