The latest works 40

since August 12, 2009



"Knocked-eye-direction illusion"

The eye direction appears to be unstable.

Copyright Akiyoshi Kitaoka 2009 (August 29)



"Normal-eye double-vision illusion using a mirror"

Doubled noses and mouths render a double-vision appearance to the eyes.

Copyright Akiyoshi Kitaoka 2009 (August 30)

cf. illusion of double vision

This study was supported by a Grant-in-Aid for Scientific Research on Innovative Areas, "Face perception and recognition", by the Ministry of Education, Culture, Sports, Science and Technology, Japan.



"Knocked-ear illusion"

Doubled ears appear to be unstable.

Copyright Akiyoshi Kitaoka 2009 (August 28)


"Elder brother behind"

The two persons are the same size but the person who appears to be behind the other appears to be larger than the other. Specifically, in the upper image the left person appears to be larger than the right, while in the lower image the right person appears to be larger than the left one.

Copyright Akiyoshi Kitaoka 2009 (August 22)



"Normal-eye double-vision illusion"

Doubled noses and mouths render a double-vision appearance to the eyes.

Copyright Akiyoshi Kitaoka 2009 (August 25)







"Knocked-nose illusion"

Doubled noses appear to be unstable.

Copyright Akiyoshi Kitaoka 2009 (August 24)

cf. illusion of double vision

This study was supported by a Grant-in-Aid for Scientific Research on Innovative Areas, "Face perception and recognition", by the Ministry of Education, Culture, Sports, Science and Technology, Japan.



"Moving Rubin's vase-face images 2"

Images of Rubin's vase-face illusion appear to move.

Copyright Akiyoshi Kitaoka 2009 (August 22)



"Eye size illusion: a demonstration"

The eyes in the left image is physically the same as those in the right image, but the proportion appears to be different from each other.

Copyright Akiyoshi Kitaoka 2009 (August 17)

"Exploratory study of the face illusion", an oral publication in the meeting of the KAKEN "Face cognition" research project, Sapporo, Japan, on 19th August 2009 (in Japanese)



"Overestimation of objects placed at the eye area as compared to the mouth area"

The black circle placed at the mouth appears to be smaller than the eyes, though they are the same size.

Copyright Akiyoshi Kitaoka 2009 (August 16)



Copyright Akiyoshi Kitaoka 2009 (August 22)



"Face-sliding Obake-hime"

obake = ghost; hime = princess or girl

The face appears to slide according to retinal slips.

Copyright Akiyoshi Kitaoka 2009 (August 11)


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