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Perceptual illusions.

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Presentation on theme: "Perceptual illusions."— Presentation transcript:

1 Perceptual illusions

2 Colour constancy

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5 Relative size

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8 Seeing what isn’t there

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10 Motion and change

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13 Saturation

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16 Some videos The dress https://www.youtube.com/watch?v=AskAQwOBvhc
Change blindness (selective attention) Auditory illusions and differences:

17 Some philosophical questions
Contrast the ‘you just see it’ view of perception and the ‘how’ explained by science Do the examples show that sense perception is unreliable? But wasn’t the scientific explanation reached using sense perception? When do we perceive reality and when mere appearance? How do we form a conception of reality if all we perceive is appearance?

18 Research Gestalt perception
How scientific technology ‘extends’ the senses How many senses are there? How many if you include non-human animals?


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