Motion perception is how the brain processes information about the movement of objects and the human body. It helps determine distance, size, and relative speed. It also allows the brain to interpret motion when it is not present, such as in films. Peripheral vision is poor at detecting detail but excellent at seeing motion.
Motion perception is how the human mind processes information about the motion of objects around it. It also includes the idea of processing the movement of the human body through its surroundings. In addition to allowing the mind to perceive which object moves through which space, motion perception is also instrumental in determining the distance between objects and their size.
The relationship between how the brain interprets motion around itself and how the world is actually moving is the study of motion perception. The components of motion perception are the human body, mind, and the visual systems that receive the information. Most people process the information they see without thinking about it. The human mind can instantly understand what is stationary in the environment, what is moving and how fast those moving objects are traveling relative to each other.
When an individual stands still and sees a dog approaching, they instinctively know the dog is on the move, covering the ground in between and approaching. Similarly, if the individual walks with the dog next to them and the dog remains stationary in its position relative to the person, the brain understands that the dog is also moving at the same speed as the person. However, when an individual walks down the street and sees the trees along the sidewalk grow larger, closer, and finally disappear from the line of sight, it is understood that those trees are stationary and their relative positions have changed by the person’s movement.
Motion perception also refers to the ability of the human brain to interpret motion when it is not present. This can be most visibly demonstrated with the example of watching a film projected onto a screen through a film reel. The film itself is made up of hundreds of individual images in which there is no movement. However, when projected onto the screen at high speed, the brain’s motion perception capabilities translate the individual images the eyes see as having fluid motion.
All the components of vision work together to allow the human mind to put together an accurate picture of what is happening in the surrounding environment. Peripheral vision, or the ability to see something out of the corner of your eye, is poor at detecting detail but excellent at seeing motion. Individuals who can’t sense movement have a very rare condition called akinotopsia.
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