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Seeing in colour Stare at the coloured dot in the middle of the next picture for a minute. Then describe what you see when you look at the next slide.

Published byCoral Campbell Modified over 8 years ago

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Presentation on theme: "Seeing in colour Stare at the coloured dot in the middle of the next picture for a minute. Then describe what you see when you look at the next slide."— Presentation transcript:

1 Seeing in colour Stare at the coloured dot in the middle of the next picture for a minute. Then describe what you see when you look at the next slide.

2

3

4

5 Colours Look at the next slide and make sure you know the usual names of these six colours.

6 red cyan magenta blue green yellow

7 Colours Look at the next slide for a minute – staring directly at the cross in the middle. Describe what you see when you look at the following slide.

8

9

10

11 After-images and complementary colours Look at each of the following shapes for about 30 seconds. Describe the colour of the after-image you see. Compare what you see with what other people in the class see. Is there a pattern in the results? Note that some people may see things differently, or describe them differently.

12 A red shape…

13 … gives an after-image that is…

14 A blue shape…

15 …gives an after-image that is…

16 A green shape …

17 … gives an after-image that is…

18 A magenta shape…

19 …gives an after-image that is…

20 A yellow shape…

21 …gives an after-image that is…

22 A cyan shape…

23 …gives an after-image that is…

24

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