What Is Depth Perception?

Depth perception refers to the phenomenon describing the ability to perceive the environment in three-dimensional form and to determine the spatial distance among objects. This phenomenon ascertains our ability to judge the inter-distance among two objects in space.

Depth perception is crucially important for our survival and hence interacting with the world. Using depth perception as a significant factor we may be able to provide response back to the environmental stimuli. Without it, we may become unable to navigate around. Depth perception enables us to estimate the distance of an object from us. We can locate the position of an object in space; hence we may become able to either reach at it or avoid it.

However, various interesting researches are still ongoing in this aspect, but, some questions still remain unresolved such as the retinal projection is flat and two-dimensional with upside down, whereas we perceive three dimensional image of the world. So there is a puzzle that needs to be solved. Another research topic of course includes the role of learning in depth perception. However, the role of visual sensation is the essential component for depth perception, but the role of auditory sensation also plays a crucial role in aiding depth perception.