Upside-down faces

since April 8, 2007


"Traffic sign to run bicycles correctly: image A"
drawn by Fumito Ito

The left image is viewed for correctly running drivers while the right one for wrongly running drivers.

Copyright Fumito Ito 2015

References (Funds)

大学コンソーシアム京都・2015年度「未来の京都創造研究事業」 (研究代表者・北岡明佳) 「自転車の走行環境整備における知覚心理学の活用についての研究」 (平成27年度:直接経費:200万円) (研究分担者 林勇吾・對梨成一)

北岡明佳・對梨成一・林勇吾 (2016) 自転車の走行環境整備における知覚心理学の活用についての研究 2015年度未来の京都創造事業・成果報告会・キャンパスプラザ京都・2016年3月22日 18:05-18:30 Presentation (pptx) (口頭発表) 


"Traffic sign to run bicycles correctly: image B"
drawn by Fumito Ito

The left image is viewed for correctly running drivers while the right one for wrongly running drivers.

Copyright Fumito Ito 2015


"Traffic sign to run bicycles correctly: image C"
drawn by Fumito Ito

The left image is viewed for correctly running drivers while the right one for wrongly running drivers.

Copyright Fumito Ito 2015



"Traffic sign to run bicycles correctly"
drawn by Akiyoshi Kitaoka

The left image is viewed for correctly running drivers while the right one for wrongly running drivers.

Copyright Akiyoshi Kitaoka 2015


"Twins who were going to eat a candy and dropped it "

If this image is rotated through 180 degrees, just the same image is seen.

Copyright Akiyoshi .Kitaoka 2011 (August 10)


"Laughing turnip and a man looking up"

The turnip appears to alternate with a man looking up.

Copyright Akiyoshi Kitaoka 2012 (August 19)


"A baby and a duck cook"

A baby appears to alternate with a duck cook.

Copyright Sayako Ueda and Akiyoshi Kitaoka 2009 (September 21)
The original image was produced by Sayako Ueda

Thanks to So


"A man and a young man"

A man appears to alternate with a young man.

Copyright Akiyoshi .Kitaoka 2009 (April 11)


"A girl and a bald man 2"

A girl appears to alternate with a bald man.

Copyright Akiyoshi .Kitaoka 2008 (December 30)


"A girl and a bald man"

A girl appears to alternate with a bald man.

Copyright Akiyoshi .Kitaoka 2007 (April 7)

This is an animation. Please wait the start of animation.


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