Those are saccades. They keep the area of interest on the most sensitive part of the retina. Trying to understand how the brain produces stable vision from such

Those are saccades. They keep the area of interest on the most sensitive part of the retina. Trying to understand how the brain produces stable vision from such a sequence of unstable "snapshots" is an area of active research. http://en.wikipedia.org/wiki/Saccade#Saccades_and_vision http://en.wikipedia.org/wiki/Saccade#Saccades_and_vision