14 AUG 2021


How do we see the world?

What is perception? How do we see the world? How do our senses trick and lie to us? Through a series of simple experiments you can try at home we look at all these questions. We then delve deeper into our perception and understanding of the world around us. Most people perceive themselves as above average, can’t take on new ideas and misremember events. Being aware of this will help us all understand the world and each other with deeper respect.

Experiments on perception

You can follow along with the podcast using the below experiments and links.

Experiment 1

The Ebbinghaus Illusion. Which orange dot is largest?

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Experiment 2

Explore your blind spot.

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Experiment 3

Make a hole in your hand!

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Experiment 4

Making faces disappear!

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Book recommendation

Experiment 5

Eternally ascending scale.

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Risset’s accelerating rhythm!

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Experiment 6

The missing fundamental

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Pitch perception

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Tonal speakers.

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Experiment 7

Sine Wave Speech

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The fool doth think he is wise, but the wise man knows himself to be a fool

William Shakespeare, As You Like It

Experiment 7b

Inattention deafness

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The effect of phones

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We found that when volunteers were performing the demanding visual task, they were unable to hear sounds that they would normally hear. The brain scans showed that people were not only ignoring or filtering out the sounds, they were not actually hearing them in the first place,

Dr. Maria Chait

We see so little of the world through our senses. The same is truth with our understanding.

Abstruse Goose

There are things known and there are things unknown, and in between are the doors of perception

Aldous Huxley

Experiment 8

Illusory superiority

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We are subject to ‘social desirability bias’, a deep-seated need to make ourselves look good, to present a positive impression or to give the responses we think are expected.

Duffy, Bobby. The Perils of Perception

Every man takes the limits of his own field of vision for the limits of the world

Arthur Schopenhauer

Book recommendation


This transcript is automatically generated so may contain errors.