p323fig08.42 The chopsticks illusion not only depends upon how feature tracking signals are altered by visible and invisible occluders, but also upon how the form system disambiguates the ambiguous region where the two chopsticks intersect and uses figure-ground mechanisms to separate them in depth.<BR>||  Chopsticks: motion separation in depth (Anstis 1990).  [, in]visible occluders [display, percept]