Gestalt Principles in Perception

In the study of perception, the concept of gestalt principles plays a significant role. These principles help explain how we perceive patterns and structures in our visual field. For instance, one of the gestalt principles states that we tend to perceive objects that are close to one another as belonging to a group. Understanding these principles is crucial for recognizing how our brains simplify complex images into meaningful wholes.

Which of the following gestalt principles describes the tendency to perceive elements that are grouped together as a single unit?