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It depends on how much light they can detect. You can obviously describe the color black to them. I know that when I close my eyes and look up towards the sun or another bright light, I can see a sort of reddish color. So you can kind of describe red to them, depending on whether or not they have that effect when looking towards light.
You know what? I didn't think about that earlier. Since the optic nerve is the problem, that means that the brain isn't registering any vision at all. So technically blind people aren't seeing anything, are they? Not even black.
It is sometimes the optic nerve. It can also be an injury in the head. But, Blinds are capable of feeling colors through different wavelengths. The thermal energy deposited by the Light.
Your right about the optic nerve but in spite of that they are capable of detecting Brightness and Darkness and when around green they feel an uplifting freshness..
But besides all that.. Blinds are capable of feeling colors through different wavelengths. The thermal energy deposited by the Light.
I could explain the concept of colors, but not the actual color. Colors are like the way something feels when you touch it, there is a wide variety of textures. Each texture represents a different color.
Your argument is very smart. And also... Blinds are capable of feeling colors through different wavelengths. The thermal energy deposited by the Light.
Feeling differences in wavelength of visible spectrum colours I find confusing, we are talking about wavelengths of nanometers. Besides without any reference point you could not explain what a colour was or how it could be used.
Let's suspend logic and think about what it would be like if you went to a different galaxy and saw a colour that was unlike any you had ever seen, when you return could you explain it to anyone without showing them.
The link doesn't explain anything about blind people feeling colour, It barely has one line about feeling thermal energy which we all do, blind or not.
99.9999% of what this link states is about how a seeing person feels in the presence of certain colours, it also then states that colour x produces feeling or emotion x, and then contradicts itself by saying the effect of colour is subjective.
The very fact that one colour can have two un-linked responses in two different people would lead me to believe that there is no biological grounding in stating that colour x causes effect x.
Oh.. I actually suggested that link cuz I thought you said you were confused with the wavelength study. The link has spoken of how the spectrum is a result of different wavelengths. These wavelengths are sensed by the fingers. I have attached another Link. I hope this explains better. It is very brief.
You can try this one too.
There are very few.
You can try finding about Dr. B S Sujendra Prasad.
Or Mary Clank... They have worked immensely in this field.
Sorry dude, these links are either vague or irrelevant to the topic, the abstract to the PhD thesis is on the guy's own website and doesn't give a link to the actual work.
I'm not stating this doesn't happen, I'm just intrigued by the possibility and I don't buy into anything unless I can see some verified, hopefully peer-reviewed work, any search on Google for these names doesn't give anything of value.
I'm not so sure... I suppose that since they can feel maybe one could explain that warmth is red for example, cold is blue... but I don't think that would give them any idea of what the actual color looks like... I don't know, I know I couldn't do it, that's for sure, but maybe Anne Sullivan could?
But the question is would you be able to describe color. To me, feeling is different...could you describe the difference of a feel of a color if you are not blind yourself? But to describe a color, its intensity, its hue, its tones, the variance of shades...would you be able to describe all that? Would you be able to describe the blue of the sky, the whites of the clouds, and the greens of the grasses? I personally don't agree that it is possible to do so they can fully understand what color looks like.
No no... The question remains the same. It was just something I was adding. And your right that describing and feeling is different from Sensing and recognizing.
I personally don't agree that it is possible to do so they can fully understand what color looks like.
What it looks like is not quite easy though not Impossible. Because, there is a certain feeling attached to every sense of color. Like when around green they associate the particular smell. It is not impossible because people have used several Tacts to actually describe colors.
But still, we are talking different senses. You may be able to tell them that grass is green and they may pick up on its feeling and smell, but tell them a frog is green and they are going to pick up something totally different. Granted, touch, feel smell, and hearing can give someone a sense of something, but it will never show them the color which is detected by sight.
I told you earlier that there are certain senses attached to each color. It seems sometimes Impossible but, People who are Blind have been able to detect things that are similar in color. One theory is of the wavelengths and the thermal depository which is now helping a lot of them recognize color.
Besides, Blind people are also educated in the prospects of colors. That help them imagine what color may seems like. Like green, as you said is not the same one as A Frog's green. That's exactly the field where they are educated that these are the objects that share some of these senses of color.
but it will never show them the color which is detected by sight.
I don't think it is possible. How can you describe something indescribable. Yellow:bright (what's bright?) not dark (what's dark?) black (but black isn't dark, it's just nothing.) See? Every question can just lead to another. Although if a blind person asked me to try and describe it to them, I would because that's just who I am.
To describe is tough not impossible. But, their essence has been explained and they are educated about it. But, people can today sense color through different wavelengths and the thermal energy deposited.
