Using your understanding of the visual process, explain why Alex and Ben can have two completely different interpretations of the same visual stimulus.

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People tend to use a high amount of visual information to inform their daily activities. There is also a lot of sensory information coming in through the eyes, which makes the visual system a highly researched field of neuroscience. 

Vision

Many structures in the eye work together to "see"
- Cornea
- Lens
- Ciliary muscles
- Pupil
- Extraocular muscles
- Retina
- Fovea
- Iris
- Optic nerve

Anatomy of the Visual System

Images are processed  in a manner constrained by the design of visual systems. As a result, some image features can become distorted in ways that alter our perception.

Optical Illusions

- How the eye functions
- Neural signals to the brain regions
- Receptive fields
- Brain regions involved in sight
- Vision impairment and blindness
- Visual illusions

Topics in Vision

Vision References

Depth perception is the cognitive ability to perceive the world in three dimensions (3-D) and to understand the spatial relationships between objects. This capacity allows for the description of objects' relative positions, such as being in front, behind, above, below, or to the side of one another.

Depth Perception

There are two primary theories that explain how humans perceive color: the trichromatic theory and the opponent-process theory. These models describe the mechanisms through which the visual system processes wavelength information to create the experience of color.

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