Learn · TED

Talk8 min

Why do we see illusions?

Mark Changizi · TED

Watch At TED

About

Why can't our extremely complex eyes render simple optical illusions? Surprise, surprise -- it comes back to the brain, which has only evolved to encounter natural stimuli. At TEDYouth 2012, Mark Changizi explains how the brain reckons with optical illusions.[Directed by TED Media].

The talk

  1. Why do we see illusions? 8 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
Mark Changizi
Year
2013
Level
For everyone
Language
English
Subjects
Biology, Psychology and the brain
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Teens profiles and older, judged from what the source says about it. How courses are placed