Motion may be seen but not used.

Eitemau Tebyg

• Apparent motion and the motion detector
  gan: Braddick, O, et al.
  Cyhoeddwyd: (1978)
• MOTION CONTRAST AND MOTION ASSIMILATION
  gan: Scase, M, et al.
  Cyhoeddwyd: (1993)
• Branching Brownian motion seen from its tip
  gan: Aïdékon, E, et al.
  Cyhoeddwyd: (2013)
• The many faces of motion perception
  gan: Braddick, O
  Cyhoeddwyd: (1995)
• Motion perception. Moving on the surface.
  gan: Braddick, O
  Cyhoeddwyd: (1994)