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The brain and illusions
What can illusions teach us about the brain?
Curated by Gerald Carey
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Six ways animals use fake eyes

Six ways animals use fake eyes | The brain and illusions | Scoop.it
A fresh look at the science of eyespots reveals some modern surprises
Gerald Carey's insight:

How different animals use mimicry, usually featuring eyes, to ward off predators.

Evolution is a marvellous process!

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The @FacesPics Twitter Account Posts Fun Anthropomorphic Photos Containing Hidden Faces | Colossal

The @FacesPics Twitter Account Posts Fun Anthropomorphic Photos Containing Hidden Faces | Colossal | The brain and illusions | Scoop.it
Gerald Carey's insight:

They're watching...

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Optical illusions: caused by eye or brain?

Optical illusions: caused by eye or brain? | The brain and illusions | Scoop.it
When viewing the famous optical illusion painting Enigma by Isia Leviant, many people claim to see motion within the colored circles moving against the black and white striped background.
Gerald Carey's insight:

This site even has a definition of illusions: "Visual illusions are defined by the dissociation between physical reality and subjective perception of an object or event". So says Susana Martinez-Conde.

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xkcd: Visual Field

xkcd: Visual Field | The brain and illusions | Scoop.it

Not an illusion but a good summary of some of the things we might see in our sight that we can't 'explain'.

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Evening Dusk Optical Illusion | Mighty Optical Illusions

Evening Dusk Optical Illusion | Mighty Optical Illusions | The brain and illusions | Scoop.it
Illusions done by Akiyoshi Kitaoka, a Japanese professor of psychology have always been worthy of our attention. So what has he been up to lately?
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» Fake Watchful Eyes Discourage Naughty Behavior

» Fake Watchful Eyes Discourage Naughty Behavior | The brain and illusions | Scoop.it
By Mark Brown, Wired U.K.Being watched by a photograph of staring eyes can be enough encouragement to behave, follow orders or do the right thing, a...
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'Smelling' with our eyes: Descriptions affect odor perception

'Smelling' with our eyes: Descriptions affect odor perception | The brain and illusions | Scoop.it
An odor is judged differently depending on whether it is accompanied by a positive or negative description when it is smelled. When associated with a pleasant label, we enjoy the odor more than when it is presented with a negative label. To put it another way, we also 'smell' with our eyes!
Gerald Carey's insight:

Brings a whole new meaning to the phrase, "devouring with your eyes".

Apparently how a food is labelled can directly affect how we perceive an odour.

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Seeing With Your Brain | National Geographic Channel

Seeing With Your Brain | National Geographic Channel | The brain and illusions | Scoop.it
A now-you-see-it-now-you-don’t experiment demonstrates how the brain plays tricks.
Gerald Carey's insight:

Nice demonstration of how the brain focussing on one point can make other features/images disappear.

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Eye-popping illusion lets you write with gaze alone

Eye-popping illusion lets you write with gaze alone | The brain and illusions | Scoop.it
In an innovation that could benefit the disabled, a French researcher finds a way to trick the eyes into moving more smoothly so they can be used like a pencil to write cursive. Read this blog post by Leslie Katz on Crave.
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This weird optical illusion makes a moving spiral appear out of nowhere

This weird optical illusion makes a moving spiral appear out of nowhere | The brain and illusions | Scoop.it
It's not unusual for optical illusions to create afterimages, ghostly reflections that show up after staring at something too long. This particular afterimage is a bit different.
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ScienceShot: Brightness Is in the Eye of the Beholder - ScienceNOW

ScienceShot: Brightness Is in the Eye of the Beholder - ScienceNOW | The brain and illusions | Scoop.it

Stare into a camera's flash or walk into the sunlight after watching a movie, and your pupils will contract. But will the same thing happen if you just look at an image of a bright object?

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