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AkiyoshiKitaoka's profile
Akiyoshi Kitaoka
Akiyoshi Kitaoka
Akiyoshi Kitaoka
@AkiyoshiKitaoka

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Akiyoshi Kitaoka

@AkiyoshiKitaoka

I am an experimental psychologist who studies visual illusions as well as makes illusion artworks. #illusion #opticalillusion #perception #錯視

Kyoto, Japan
ritsumei.ac.jp/~akitaoka/inde…
Joined December 2011

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    1. HIMUKA‏ @flock_pina 23 Feb 2018
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      北岡教授著の知覚心理学の資料蛇の回転は18個で配置されています。50㎝の距離からやや寄り目(ステレオグラムの交差法)にすると図形は8個の像を結びます。そうすると蛇の回転の図形が回転しない事を発見しました。にわか勉強ですが寄り目にしていると微小眼球運動がおきないから?と仮説を立てました。

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      Akiyoshi Kitaoka‏ @AkiyoshiKitaoka 23 Feb 2018
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      Replying to @flock_pina

      寄り目にすると微少眼球運動が減少すると私は思いますけど、それ以前に、右に回って見えるのと左に回って見えるのを融合しているのではないかなあ、と。全部同じ方向にまわって見えるのを作ってみました。pic.twitter.com/AANBXer3Dy

      11:42 PM - 23 Feb 2018
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        1. HIMUKA‏ @flock_pina 24 Feb 2018
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          Replying to @AkiyoshiKitaoka

          こ、これは!!すごいですね!!驚きました。先生には高い授業料をお支払いしなけばならないでしょう。大変貴重な資料をありがとうございますm(__)m 真剣に拝見しました。平行法ですとすべてのディスクは静止して見えました。交差法ですと三段ある真ん中のディスクが浮き上がって静止して見えます。

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        1. HIMUKA‏ @flock_pina 24 Feb 2018
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          Replying to @AkiyoshiKitaoka

          (つづき)上下段のディスクは奥に沈んで見えます。ディスクの回転と両眼立体の融合ですね!!先生には敬服いたしましたm(__)mちなみに、上下段のディスクはわずかに回転しているように見えるのですが、これはおそらく私の左右の視力が極端に違うため、ズレを修正しようとして…

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        1. HIMUKA‏ @flock_pina 24 Feb 2018
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          Replying to @AkiyoshiKitaoka

          (つづき2)微小眼球運動がおきているからだと思います。両眼の視力が同じくらいの人がこれを見た場合、結果が違ってくるかもしれません。興味深く拝見させていただきました。本当に感謝でいっぱいです。ありがとうございました。

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        1. HIMUKA‏ @flock_pina 24 Feb 2018
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          Replying to @AkiyoshiKitaoka

          (追伸)PC画面、スマホ画面ともに50㎝の距離から見ていたときは若干回転していましたが、60㎝の距離で交差法で見てみると完全に回転が止まり立体視だけが見えました。わずか10㎝の違いで回転が止まるなんて本当にイリュージョンです!!驚きの言葉しか出てきません!!ありがとうございました。

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