What is motion parallax?

Motion parallax is the apparent motion of objects in the visual field due to movement of the observer. As an individual moves, objects at various distances appear to move at different speeds and directions. This phenomenon can be observed in everyday situations such as driving, walking, or viewing scenes from a moving vehicle. The motion parallax cues help the human brain to perceive depth and distance accurately, and it is essential for navigation and spatial perception. Many animals use motion parallax to locate prey and navigate in their environment. Motion parallax is also used in virtual and augmented reality to simulate the perception of depth and motion.