Table 1 Visual illusions used in the study.
From: Specific visual expertise reduces susceptibility to visual illusions
Illusion | Effect | Picture |
|---|---|---|
Ebbinghaus | The central circle surrounded by smaller outer circles is usually perceived as bigger. | |
Ponzo | The top line is perceived to be longer despite being the same length as the bottom line. | |
Müller-Lyer | The line with the arrowheads pointing outwards is seen as longer than the line with arrowheads pointing inwards. | |
Shepard Tabletops | The vertical parallelogram is perceived as longer and broader, despite them both being identical in size. |



