7) Interposition: Interposition is a monocular cue that occurs when objects overlap. The object being overlapped is considered to be further away, while the object blocking part of the other object is perceived as closer.
Examples: https://www.youtube.com/watch?v=jXx_duoC1oM
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| In this picture the king of clubs is obscuring our view of the king of spades, so we then perceive the king of clubs as closer . |
Examples: If you are flying in a plane and focus on a baseball diamond, then anything between the plans and the baseball diamond will appear to move backwards, while anything behind the diamond will appear to move with the plane.
9) Motion Perception
Our brain perceives that an object that is shrinking is also retreating. For example, when you are backing out of your driveway your house appears to be shrinking. That is how we know that we are in fact reversing out of the driveway instead of staying still. Our brain also perceives enlarging objects as objects that are coming closer. For example, the car in front of you appears to be getting bigger the closer you get to it. This lets us know that we are approaching the car in front. When someone tries to catch a flying object they will look at the ball from a certain angle and try to collide with the objects projected motion path. Stroboscopic movement explains how the brain interprets still different images as one continuous motion i.e. a movie. The phi phenomenon is when two still lights alternatively flash off and on giving the image of a light moving back and forth. For example, certain cars have blinkers that will have the light split up into three separate sections, and when you turn on the blinker, the lights will each flash one at a time starting with the inner light working outwards. This gives the person behind them the view of a rectangular normal blinker.
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