1. Daniel W. Blackmon Coral Gables Senior High
TOK: Perception
Daniel W. Blackmon
Coral Gables Senior High

2. Perceptual Illusions
Sensation:
Interpretation

3. Perceptual Illusions
Context

6. Perceptual Illusions
Figure and Ground

9. Perceptual Illusions
Visual Grouping

14. Expectations

16. Theories of Reality Common-sense realism Scientific realism
Phenomenalism

17. Common-sense realism
“What you see is what is there”

18. Scientific realism
“Atoms in the void”

19. Phenomenalism
“To be is to be perceived”

20. By Robert Knox There was a young man who said, ‘God
Must think it exceedingly odd,
If he finds that this tree
Continues to be
When there’s no one around in the Quad.’

21. By Robert Knox Dear Sir, Your astonishment is odd.
I am always in the Quad.
And that’s why the tree
Will continue to be
Since observed by
Yours faithfully
God