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Gestalt: continuity 0:34
A 34-second explainer of Gestalt: continuity, narrated over the same demo you can try yourself.
Try the interactive Gestalt: continuity demo
What this video covers
Continuity is the eye's natural tendency to follow smooth, unbroken paths. When lines or rows of elements intersect or branch, you group those that continue in the same direction, not those that merely connect.
Where the two strands crossed, you did not see a corner - you saw each line run straight on through. The eye follows the gentlest path, which is why a stray dot on a curve feels part of it, and a sharp turn feels like a break.