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Binocular Disparity
As a primary example of a binocular cue, binocular disparity refers to the subtle difference between the visual images that each eye receives. Because the eyes are horizontally separated, they capture slightly different views of the world, and the brain uses this disparity to compute depth.
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Ch.5 Sensation and Perception - Psychology @ OpenStax
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Learn After
Demonstration of Binocular Disparity
Application of Binocular Disparity in 3-D Movies
An artist creates a stereoscopic image by taking two photographs of a flowerpot from slightly different horizontal positions, simulating the view from a person's left and right eyes. When a viewer looks at the left photograph with only their left eye and the right photograph with only their right eye, they perceive a single image with a strong sense of three-dimensional depth. Which statement best analyzes the fundamental principle behind this perceptual phenomenon?
An individual with normal vision in both eyes is attempting to thread a needle. They find the task significantly more difficult when they close one eye. Which of the following statements best explains why this occurs?