Illusion of expansion and contraction #17

Caution: You might feel sick.

since January 28, 2021


"Canola flowers"

The radial pattern appears to wobble.

Copyright Akiyoshi Kitaoka 2024 (February 5)



"Expanding or contracting black hole"

The black hole appears to expand when the image is darkened to black-out, while it appears to contract when the image appears.

Copyright Akiyoshi Kitaoka 2022 (August 4)


Without dots, the black hole appears to expand when the image is darkened to black-out, while it appears to contract when the image appears.




"Expanding or contracting black hole 2"

The black hole appears to expand when the image appears from the black image, while it appears to contract when the image is darkened to black-out.


Without dots, the black hole appears to expand when the image appears from the black image, while it appears to contract when the image is darkened to black-out.




"Expanding or contracting black hole"

No or smaller effect


Without dots, the white hole appears to contract (?) when the image becomes brighter to white-out, while it appears to expand (?)when the image appears from the white image.




"Expanding or contracting black hole 2"

The white hole appears to expand when it emerges from the black image, while it appears to contract when the image becomes darker to black-out.


Without dots, the white hole appears to expand when it emerges from the black image, while it appears to contract when the image becomes darker to black-out.



images




options for control stimuli



"Annular eclipses"

Black disks appear to expand.

Copyright Akiyoshi Kitaoka 2022 (August 18)


"Expanding black holes"

Black holes appear to expand.

Copyright Akiyoshi Kitaoka 2021 (February 25)


"Expanding white holes"

White holes appear to expand.

Copyright Akiyoshi Kitaoka 2021 (February 26)


"A crown-of-thorns starfish"

The image appears to expand or contract.

Copyright Akiyoshi Kitaoka 2021 (January 19)


Expansion and contraction 15
Expansion and contraction 14
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Expansion and contraction 2
Expansion and contraction 1


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