saccade, n.
A fast movement of an eye, head, or other part of an animal's body or of a device. It can also be a fast shift in frequency of an emitted signal, or other such fast change.
The purpose of saccades can be illustrated by the human eye. Humans do not look at a scene in a steady way. Instead, the eyes move around, locating interesting parts of the scene and building up a mental 'map' corresponding to the scene.
From Wikipedia
The purpose of saccades can be illustrated by the human eye. Humans do not look at a scene in a steady way. Instead, the eyes move around, locating interesting parts of the scene and building up a mental 'map' corresponding to the scene.
From Wikipedia
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