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2 answers

Wikipedia offers good explainations of both.

http://en.wikipedia.org/wiki/Muller-Lyer_illusion
http://en.wikipedia.org/wiki/Ponzo_illusion

Basically, they are examples of the brain using context to make judegement calls. In both cases, the brain interprets certain lines are being further away, and so we believe they are longer or shorter than other lines.

2006-11-20 03:24:20 · answer #1 · answered by Wundt 7 · 0 0

optical illusions

2006-11-20 03:42:27 · answer #2 · answered by jurydoc 7 · 0 0

visual misperceptions of size

2006-11-20 03:24:55 · answer #3 · answered by jodybird511 2 · 0 0

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