Perceptual Completion: This term describes the phenomenon where our brain fills in missing parts of an image or object based on previous experiences and context.
Gestalt Principles: These principles explain how we organize visual information into meaningful wholes, including filling in gaps to create coherent perceptions.
Figure-Ground Perception: This concept refers to distinguishing between an object (figure) and its background (ground). Filling in gaps helps us separate objects from their surroundings.