You Ever Been to a Psychotic?

@edgarblythe,

edgarblythe wrote:

I blocked it on a better screen and then I could see it as the same color.

Nothing would make me see the 2 as being the same color - finally I printed the page and folded it over. Can you see the blue circles here are all the same shade of blue? Some fascinating data on perception: schizophrenics don't fall for most optical illusions, but the ones they do fall for aren't the same as those that trip up sufferers from senile dementia. No idea if any of this can serve as a predictor, but if it could it would be the perfect - non-invasive, costless - test; could be administered same time as standard eye test for getting new glasses. It might warn seniors time to give up the driver's license:

http://www.psy.ritsumei.ac.jp/~akitaoka/bluedaynight.gif

1 Reply

@ossobuco,

ossobuco wrote:

Oh, wait...

What are you waiting for? Round up DrewDad's mother in law, Reyn's meter owners, whoever else we know who's either gaga or just plain crazy, convince them to sit still long enough to show them a few pictures - you may not qualify for a Nobel prize in neuroscience but you can still publish Smile

Quote:

Are you a scientist? Have you recently read a peer-reviewed paper that you want to write about? Then contact Mind Matters editor.....

http://www.scientificamerican.com/article.cfm?id=neuroscience-of-afterimages

0 Replies

everyday when i look in the mirror

1 Reply

@djjd62,

Congratulations - you have just volunteered for Ossobuco's Visual Illusions scientific test!

0 Replies

@High Seas,

When I first loked at this one, the blues all appeared the same. But, since then, they all appear a different shade. Guess I'm stuck in the middle.

0 Replies

@High Seas,

Maybe the actual hue and chroma are the same but the values are different. I set a Munsell sheet over both and they are different by 2 numbers on the GG scale.

Or is this merely a joke on us to admit that we are psychotic.

Let me tell you what I did to the last person who called me crazy.

2 Replies

@farmerman,

What did you do? (she says, laughing)

1 Reply

@farmerman,

That's very interesting - the author / artist, Prof. Kitaoka, is supposed to be a color expert. At least his motion-related illusions work for sure:

http://www.scientificamerican.com/media/gallery/2B21EB44-BA10-8BF8-02EDC7FC3DF3CDEF_3.jpg

http://www.scientificamerican.com/slideshow.cfm?id=the-neuroscience-of-illusion&photo_id=F00513EF-85FC-1233-85FC83414B7FFE33

0 Replies

@ossobuco,

Nobody here has called Farmerman crazy so far, but I'll soon be a candidate for that title if I try doing this exercise one more time:
http://www.scientificamerican.com/media/gallery/017E95FF-C6F1-E530-9A02684DC6E7E387_4.jpg

Quote:

Here is a great cognitive visual illusion that involves a conflict between the syntactic and symbolic processing systems in your brain. Look at the words one after the other without stopping or slowing, but instead of reading each word, just say its color out loud. It's hard, isn't it? You are experiencing the Stroop effect, named after psychologist John Ridley Stroop. Even if you try not to read the words, you cannot keep the content of the words from conflicting with their color.

http://www.scientificamerican.com/media/gallery/017E95FF-C6F1-E530-9A02684DC6E7E387_4.jpg

1 Reply

@maxdancona,

As far as I can tell from a very cursory review of testing literature most test distinguishing the demented from everybody else only involve black-and-white optical illusions. If using colors you have to allow for the fact women can see colors about twenty times better than men:
http://www.xrite.com/custom_page.aspx?PageID=77&Lang=en
Most men only see basic colors, sort of RGB combinations on computer monitors. Download free program to test RGB monitors:
http://demonstrations.wolfram.com/RearrangingColorChannelsInAnImage/

0 Replies

People with schizophrenia see what's really there and those without see optical illusions..... Watch the following video. Try to see the backside of the mask as concave. Good luck.

http://www.youtube.com/watch?v=QbKw0_v2clo&feature=player_embedded

1 Reply

@littlek,

It's not just the schizophrenics. Several other brain disorders also cause atypical processing of optical illusions / other visual stimuli:

Quote:

...Visual information ... flows from the basal ganglia to the prefrontal cortex, which pieces together the most important information and filters out unnecessary details; the whole process is controlled by influx of the brain chemical dopamine. In autism ... the balance is thrown off.

http://www.technologyreview.com/computing/24602/page3/

1 Reply

@High Seas,

Is schizophrenia a mental dysfunction or a cultural adaptation?

1 Reply

Fascinating!

It is very confusing to think that menal illness/brain dysfunction would prevent you from seeing the "trick" and instead allow you to see what is really there. It changes the way I think about mental illness.

I saw that color test given to climbers of Mt. Everest to check for oxygen deprevation. I can hardly do it at sea level.

2 Replies

@boomerang,

1 Reply

@edgarblythe,

I always thought that was a normal part of life.

0 Replies

@fobvius,

Is that a Hermann grid? The dots at the intersections are supposed to be illusory - yours are real dots!

http://mathworld.wolfram.com/images/eps-gif/HermannGridIllusion_500.gif

http://mathworld.wolfram.com/HermannGridIllusion.html

2 Replies

@High Seas,

Yeah but are they black dots or white dots?

1 Reply

@Eorl,

My illusory dots are gray! Are you thinking of the Scintillating Grid by any chance? It has white dots flickering into black:
http://mathworld.wolfram.com/ScintillatingGridIllusion.html

http://mathworld.wolfram.com/images/eps-gif/BlackDotIllusion_1000.gif

0 Replies

@High Seas,

I went slow enough to get it right.

0 Replies

You Ever Been to a Psychotic?

Related Topics

Quick Links

My Account

able2know