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IMAGES & ILLUSIONS … When our neurons interpret what our eyes see But what do we exactly see? Jacques Guyot. Camaret 2013.

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Presentation on theme: "IMAGES & ILLUSIONS … When our neurons interpret what our eyes see But what do we exactly see? Jacques Guyot. Camaret 2013."— Presentation transcript:

1 IMAGES & ILLUSIONS … When our neurons interpret what our eyes see But what do we exactly see? Jacques Guyot. Camaret 2013

2 Accrodibg to an birtish acdamic suvrey, the odre of the lttres in a wrod does not raely mettar. Wahts ipmorontat are the frsit and lsat ltetres..

3 La cascade perpétuelle (Maurits Cornelius Eischer)

4 Sens dessus dessous…

5

6 What can you see? Psychologists showed that children never see the naked couple, but … Nine dolphins ! Can you see them too?

7 Quickly read aloud the colour of the following word YELLOW BLUE ORANGE BLACK RED GREEN PURPLE YELLOW RED ORANGE GREEN BLACK BLUE RED PURPLE GREEN BLUE ORANGE Explanation John Ridley Stroops theory (1935). You can read word faster than colours. There are interferences. Theory of selective attention : you must pay more attention to name a colour than to read a word.

8 What is the colour of A and B squares? Comparison between the two squares

9 What is the colour of A and B squares? Comparison between the two squares

10 What do you see? A potery or two faces?

11

12 In fact, nothing moves..

13 Count the black dots…

14 ...are the horizontal red lines parallel or not ?

15 One spiral or circles?

16 Just concentrate on the cross in the middle of the picture. After a short while, youll see that the pink rotating circle is in fact GREEN ! !!!


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