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The brain and illusions
What can illusions teach us about the brain?
Curated by Gerald Carey
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Brain fills gaps to produce a likely picture

Brain fills gaps to produce a likely picture | The brain and illusions | Scoop.it
Researchers use visual illusions to demonstrate to what extent the brain interprets visual signals. They were surprised to discover that active interpretation occurs early on in signal processing. In other words, we see not only with our eyes, but with our brain, too. The primary visual brain cortex is normally regarded as the area where eye signals are merely processed, but that has now been refuted by the new results.
Gerald Carey's insight:

Interesting that we actively start interpreting signals early in the analysis process.

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Your brain sees things you don't

Your brain sees things you don't | The brain and illusions | Scoop.it
A study indicates that our brains perceive objects in everyday life of which we may never be aware. The finding challenges currently accepted models about how the brain processes visual information.
Gerald Carey's insight:

This might help explain why we become aware of some thimgs that we don't remember seeing.

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Optical illusions can trick computers, too

Optical illusions can trick computers, too | The brain and illusions | Scoop.it
By Charles ChoiLiveScience Even computers can get tricked by optical illusions, a new study finds. Such research may help shed light on how vision works in the brain, and lead to better computer recognition of images, scientists added.
Gerald Carey's insight:

How to set up computers so that we can see why humans are tricked by optical illusions.

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Colour Mixing: The Mystery of Magenta

Why doesn't magenta appear in the rainbow? The answer lies not in physics but in biology. Science presenter Steve Mould demonstrates the strange phenomenon o...
Gerald Carey's insight:

Whaaaat? No Magenta!

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Why the Essex 'lion' was a roaring success - Telegraph

Why the Essex 'lion' was a roaring success - Telegraph | The brain and illusions | Scoop.it
Science explains people's misplaced certainty that they saw a lion in Essex...
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New Scientist TV: Best illusions of 2012: The Exorcist illusion

Thomas Papathomas, a vision researcher at Rutgers University in New Brunswick, New Jersey, has created a new variation on the hollow-mask illusion - where viewers find it difficult to distinguish whether they are seeing a mask's interior or its exterior.

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CRPS & pain – some things you may not have realised

CRPS & pain – some things you may not have realised | The brain and illusions | Scoop.it
Pain is multidimensional. Pain is 100% produced by the brain in response to a perceived threat. The brain allocates a location using the cortical maps, hence why we feel pain in our backs or knees....
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Creating the Depth Illusion in Landscape Photography

Creating the Depth Illusion in Landscape Photography | The brain and illusions | Scoop.it
How to create the illusion of depth and distance in digital landscape photographs. Using depth cues to create a three-dimensional appearance in photographs.
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Illusions —- Tactile – Optical – Auditory – Olfactory – Taste

Illusions —- Tactile – Optical – Auditory – Olfactory – Taste | The brain and illusions | Scoop.it
The term illusion refers to a specific form of sensory distortion. Unlike a hallucination, which is a distortion in the absence of a stimulus, an illusion describes a misinterpretation of a true se...
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Use your illusion: why human vision is a mathematical impossibility – Telegraph Blogs

Use your illusion: why human vision is a mathematical impossibility – Telegraph Blogs | The brain and illusions | Scoop.it
•Note: a few lines of the text in this was first used in my magazine feature on the perception of colour. But don't worry, this is a very different and much nerdier piece. Nothing you see is real. You can't believe your lyin' eyes. “Colour doesn’t exist in the world,” says Dr Beau Lotto, a [...]
Gerald Carey's insight:

This article examines the impossibility of colour and even light. Worth wading through the whole article.

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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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Can Cats See Optical Illusions?

Can Cats See Optical Illusions? | The brain and illusions | Scoop.it
It’s a simple fact that the internet runs on the spiritual energy of cats. I don’t care who you ask, that’s how it works, ok? What w...
Gerald Carey's insight:

This is a different angle... I would like to read more about animals and optical illusions.

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heather tuck's curator insight, March 7, 2013 10:08 AM

I think that cats can see optical illusions, they do have good eyesight!

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This Is Only Red

START THE LEANBACK: http://bit.ly/VvTZJH OTHER Land Effect example images: http://bit.ly/W2fNbT and http://bit.ly/UmNQxC United Nuclear: http://bit.ly/47isAD...
Gerald Carey's insight:

Go past the first bit of information on to an explanation of the photo. Very interesting brain illusion.

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Night Vision in Aviation: How Pilots See In The Dark | Decoded Science

Night Vision in Aviation: How Pilots See In The Dark | Decoded Science | The brain and illusions | Scoop.it

How well can you see at night? A pilot, flying at night, must scan the sky steadily; focusing on his or her peripheral vision in order to avoid common night-flying hazards, such as a central blind spot, night illusions, and adjustment to bright lights.

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Nature News Blog: Disappearing hand trick wins best illusion of 2012 : Nature News Blog

Nature News Blog: Disappearing hand trick wins best illusion of 2012 : Nature News Blog | The brain and illusions | Scoop.it
Watch where you put your hands, because Roger Newport of the University of Nottingham knows how to fool a brain into thinking they have vanished.
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Trick of the Light – Optical Illusions Can’t be Beat | Brain Blogger

Trick of the Light – Optical Illusions Can’t be Beat | Brain Blogger | The brain and illusions | Scoop.it

You know ‘em, you love ‘em: Suddenly, pictures bulge out in three dimensions, or static dots begin to swirl, or you see colors that aren’t really there.

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Gestalt ReVision - Recovering 3-D shape from 2-D images: shape from shading

Gestalt ReVision - Recovering 3-D shape from 2-D images: shape from shading | The brain and illusions | Scoop.it
"GestaltReVision" is the short-hand name for the Methusalem research program on "Perceptual organization in the context of a dynamic and hierarchical visual brain" awarded to Johan Wagemans and collaborators.
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