Fröhlich effect

English

When a visual stimulus moves along a continuous trajectory, the initial position of this trajectory may be seen ahead of its veridical position with respect to an unpredictable event such as a punctuate flash.

Etymology

Described by Friedrich W. Fröhlich.

Noun

Fröhlich effect (plural Fröhlich effects)

1. A visual illusion wherein the first position of a moving object entering a window is misperceived.