* As we are well aware, our visual system is easily fooled when scenes and images are seen out of context. We rely on cues such as receding lines to see depth, and when an image with depth is taken out of context, we can get confused.
* Lateral inhibition is very powerful phenomena
and can help explain why we see the illusions the way we do.
Poggendorf's Illusion is not yet fully explained. The two theories I've presented do not fully explain why we can't match up the lines properly, so there is still more research to be done.
An interesting thing to note is that people
do not get better at working through Poggendorf's Illusion with multiple
(1) DO PEOPLE GET BETTER AT THE POGGENDORF ILLUSION?
(2) Carulli, Venuta. Poggendorf
(3) Internet Psychology
Lab, University of Illinois
(4) Vincenzi, Ph.D. Dennis
A. , Poggendorf Illusion,