Gestalt Psychology
Gestalt Psychology is a psychological perspective that emphasizes that the mind tends to perceive unified wholes and patterns rather than the bits and pieces that make up those wholes and patterns. For example, when we watch a film we perceive the moving pictures as one meaningful event, not a succession of multiple still photos.
The Gestalt school of psychology is perhaps best known for developing principles of visual perception that describe how we organize visual parts into a whole, for example how we mentally separate the foreground and background of an image.