For questions regarding the underpinnings of the perception of color by the brain.

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Are there gender differences in the ability to identify shades of colors by name?

As many of you have, I have noticed that there appears to be a prevalent stereotype that girls seem to have "heightened" color perception. By this term, I mean that they can identify the salient ...
4
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1answer
62 views

Has the inverted spectrum thought experiment ever been conducted (and if not, why)?

The inverted spectrum thought experiment posits that you (the subject) wake up one morning to find that your colour spectrum (or some part of it anyway) has inverted. This experiment has important ...
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0answers
32 views

Do people perceive opacity of a color linearly?

I am trying to create a visualization for some numbers, each ranging from 0 to 1. I was thinking of representing each number by a color (say red) of a certain opacity corresponding to its value. For ...
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1answer
345 views

What is the psychological effect of wearing black clothes?

Background: I read that black is usually favored by people who are dominant. I read that the black color projects dominance, and also hides the person's feelings. Police, for example, adopt black as a ...
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2answers
1k views

What color is this dress? — And why do some see it as white and gold and others see it as black and blue?

Here's the dress (and keep reading, this is actually a serious question): This question about this image has apparently become quite a rapidly spreading meme on the internet. And after conducting ...
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3answers
71 views

Why clothes' color is different than it appeared in stores?

This is my first time askin on Cog Sci board, not sure this is a right place to ask but I think it's something relates to Psychology and Cognitive Science. So yesterday I bought a shirt that looked ...
2
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2answers
112 views

Acoustic and light wave coherency?

I know how some music notes combinations sound pleasing, yet others do not. Does the same occur with different frequencies of light (colors)? Since spectral color and acoustic pitch are both defined ...
4
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0answers
61 views

The accuracy & malleability of memory for color

How accurate is colour memory for the standard person? It would seem most people are quite good at remembering the colour of objects by visualising the object. But in some cases peoples visualisation ...
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1answer
1k views

How do the blind dream?

Lately, a friend of mine has been telling me that he's been having recurring dreams involving a certain rabbi, who died around a hundred years ago. Since there's been some controversy surrounding the ...
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104 views

Has there been a neuroscientific explanation of the color phi phenomenon?

The color phi phenomenon is a perceptual illusion in the visual domain which was demonstrated in an experiment by Kolers and von Grunau (1976). The experiment is as follows. A sequence of coloured ...
2
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1answer
60 views

Is there an explanation of why some colors seem to move forward/backward on a 2D plane?

I am a painter and digital artist working with color and colorimetry. Recently I noticed HUGE "illusions" (impressions of depths) in a print composed of very saturated colors, that I programmed to ...
2
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1answer
26 views

What is the optimal combination of text and background color for EEG experiments?

Most studies that I know of use yellow text on blue background (though with different hues). This choice is mostly motivated by tradition ("We always did it like that. Never touch a running ...
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1answer
67 views

12 percent of our dreams are in black and white?

Pavan Teja says on Psychtronics: Did you know that ... 12 percent of our dreams are in black and white? Is this true?
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2answers
207 views

What effect does the colour of an “Open” sign have on people's behavior?

I am in the process of designing a nice OPEN sign, and I noticed that the vast majority of them are red. This seems bizarre to me, yet green open signs look odd. I just wondered if anybody knew why ...
5
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2answers
112 views

Sensitivity of human eye to luminance

I heard once that the human eye has a logarithmic scale for luminance, e.g. to "feel" that a surface is three times as luminous compared to another, the former emits a light 8 times more powerful than ...
6
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2answers
253 views

How does syntax highlighting affect the learning of a new programming language?

What impact does syntax highlighting have on students' progress in learning a new programming language? I'm looking for studies along the lines of the following hypothetical experiment, which ...
2
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1answer
44 views

What would be the result if a color-sound synesthete were to go color blind due to diabetes?

Color blindness may be caused by diabetes. Would a color-sound synesthete lose her/his ability to hear two different tones when he/she is watching, let's say, magnets: ?
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3answers
1k views

Are colors real?

We know that we distinguish colors when they fall on our photo receptors in our eyes and neurons pass its signals to our brain to recognise them as the specific colors. How accurate is it? For ...
3
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1answer
677 views

Why do “cool” colors, which are actually warmer, look cool, and vice versa?

Why do cool colors look cool that are in fact warmer, and why do warm colors look warm when they are actually cooler? Blue wavelength has higher energy than red, i.e, blue flame is hotter than red ...
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0answers
46 views

Source for turning cone cell opponent process diagram into equations

There is a diagram on wikipedia that is part of the article on the opponent process. I assume practical equations have been developed, at least reasonable approximations, but they appear to be missing ...
7
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1answer
158 views

Do eyes accommodate to color?

I've heard that our eyes accommodate between colors too far from each other in the visible spectrum. I imagine it's not a true focal point accommodation, but rather linked with how brain processes the ...
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1answer
968 views

Why people choose “boring” colors for new cars?

I've been interested in this question for a few years, sorry if this is not the right place to ask it. As I've been driving around the US for the last few years, I noticed that some community parking ...
7
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2answers
165 views

Is there any chromatic analogue of the Shepard tone?

Is there any chromatic analogue of the Shepard tone? I am imagining that each pure tone would correspond to a pure wavelength of light, transformed in such a way that the middle of three consecutive ...
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2answers
96 views

What is the name of a test presenting words in different colors?

What's the name of this psychological test where you. Read and pronounce words in three colors (red, blue, green). - Words and colors match. - Say word and color (which are the same). As above - ...
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3answers
803 views

Is it possible for certain people to perceive colors differently?

What if someone perceives a color as 'red' when it is actually 'green'? Since different people have preferences for different colors, and colors are perhaps constructed in the mind, is it possible ...
6
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1answer
301 views

Binaural Beats meets Sound-Color-Synesthesia

Binaural beats, the perception of which arises in the brain for specific physical stimuli. ... The effect on the brainwaves depends on the difference in frequencies of each tone: for example, if ...
25
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1answer
593 views

The effects of bilingualism on colour perception

Peltola et al. (2012) showed that there are two types of bilinguals. Balanced bilinguals mix their two languages and are effected by linguistic categories from both. Dominant bilinguals seem to ...
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1answer
291 views

How much red/orange is needed to stimulate hunger?

A common claim thrown around is that red and orange are great for restaurants because it stimulates hunger. However, I've heard time and time again that this does not work in web design because you ...