Interposition Psychology – What is Interposition in Psychology? | Monocular Cues For Depth Perception

Interposition Psychology

Interposition Psychology

Interposition Psychology Definition

According to an Oxford Dictionary, “Interposition Psychology” is the placement of monocular cues of visual depth perception and overlapping another object. The overlapping object looks closer than the monocular cue, which is the backend. When one object blocks the path of another, the blocked object is perceived as more distant. 

Interposition is the act of overlapping two objects to give the illusion of depth. Interposition is one of the Monocular Cues For Depth Perception. Monocular cues are formed when one object partially covers another, known as interposition or overlapping. By doing so, it appears as if the object that is being covered is the one that is further away. Any stimulus related to depth perception which can be perceived with one eye alone is a monocular cue. As opposed to binocular cues, in which the depth is perceived by using both eyes at the same time.

Interposition Psychology Example

Interposition Psychology Example

Look at these two triangles, Green and Red. The green triangle is fully visible, but the red triangle is partially hidden. Green triangles appear closer and red triangles appear further away, despite the fact that, as measured by the distance between your eyes and the screen, both triangles are at the same distance from you. In this image, it is the overlap that gives the impression of depth.

Depth Perception

Depth perception is the ability to perceive the world in three dimensions (3D) and to judge the distance of objects. Your brain creates 3D images by combining images from each eye and combining them to form one image. Your eyes are able to determine the distance between objects, as well as whether something is far away or close to you, by depth perception.

A variety of depth cues contribute to depth perception. They can be categorized as binocular cues to represent information received from both eyes in three dimensions, and monocular cues to represent information received in only two dimensions and observed by only one eye.

Monocular Cues For Depth Perception 

  • Interposition
  • Linear Perspective
  • Aerial Perspective
  • Retinal Image
  • Texture Gradient
  • Shading
  • Movement Cues
  • Accommodation

Binocular Cues For Depth Perception 

  • Convergence
  • Retinal disparity


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