| Vection illusion is the sensation of self-motion induced by relative movement of viewed objects. |
| Immediately after the cessation of motion stimulation, the observer reports self-motion in the same direction as the previous section. |
| Clarke steadfastly maintained that matter has neither an essential nor an accidental power of self-motion. |
| Specific processes attributed to this network include perception of self in vertical space, perception of self-motion, and navigation. |
| Third, although space and time are infinite, matter is spatio-temporally finite, and being endowed only with vis inertiae it has no power of self-motion. |
| Everyone is familiar with the impression of self-motion experienced when watching a moving train through the windows of a stationary train. |
