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Does Color Exist Without Light

 
 
twyvel
 
  1  
Reply Tue 12 Apr, 2005 10:56 am
Wake Up from the bright light of day….Very Happy
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fresco
 
  1  
Reply Tue 12 Apr, 2005 01:07 pm
Twyvel,

Surely the imagining of any perceptual experience (color, sound, taste) all depend on prior conscious experience or actual interaction of observer and observed.

When SCoates makes the claim for color being a "property" of the un-illuminated object, he is predicting (imagining) the outcome of a potential interaction when light is present. IMO he is correct in as much that all "properties" are such predictions, but the statement is vacuous without prior and potential future observational experience.
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farmerman
 
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Reply Tue 12 Apr, 2005 01:36 pm
hey kuvasz, welcome back. All is , I hope, well.
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twyvel
 
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Reply Tue 12 Apr, 2005 02:05 pm
fresco

Quote:
Surely the imagining of any perceptual experience (color, sound, taste) all depend on prior conscious experience or actual interaction of observer and observed.
Quote:
When SCoates makes the claim for color being a "property" of the un-illuminated object, he is predicting (imagining) the outcome of a potential interaction when light is present. IMO he is correct in as much that all "properties" are such predictions, but the statement is vacuous without prior and potential future observational experience.
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SCoates
 
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Reply Tue 12 Apr, 2005 02:40 pm
Interesting points, Fresco.
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SCoates
 
  1  
Reply Tue 12 Apr, 2005 02:49 pm
Twyvel, the fact that color may exist in dreams, or by recollection is interesting, but I don't think the logic is in a valid format to be applicable.

For example, the logic is in the same format as "world war II has not ended because it is recorded in books." (Compared to the parallel, once light is no longer present, "color still exists since it has been recorded by the brain.")

Still, an interesting occurence of color in the absense of light.
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fresco
 
  1  
Reply Tue 12 Apr, 2005 04:17 pm
Twyvel,

The "un-illuminated object" implies "object properties" other than visual. I agree that at one level subject-object differences break down but I feel that this mutuality is sufficiently covered by the concept of "interaction". I would not go as far as to say both observer and observed are "brought forth" as aspects of holistic consciousness in thiscontext, because what is at stake here is "conflict resolution" (SCoates + Prof) within a dualistic paradigm, not deconstruction of that paradigm. As you correctly imply, from the nondualist perspective neither protagonist could say anything about "objects" !
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twyvel
 
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Reply Tue 12 Apr, 2005 09:44 pm
Yes fresco….

"Objects are void."……as is often said in nondual literature, [also] implies that there are objects to be void.

I see your point about conflict resolution,……though ontologically the issue of perception is unresolvable....
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twyvel
 
  1  
Reply Tue 12 Apr, 2005 09:51 pm
SCoates are you familiar with Synaesthesia

Here's an excerpt:…….from here


"When Matthew Blakeslee shapes hamburger patties with his hands, he experiences a vivid bitter taste in his mouth. Esmerelda Jones (a pseudonym) sees blue when she listens to the note C sharp played on the piano; other notes evoke different hues--so much so that the piano keys are actually color-coded, making it easier for her to remember and play musical scales. And when Jeff Coleman looks at printed black numbers, he sees them in color, each a different hue. Blakeslee, Jones and Coleman are among a handful of otherwise normal people who have synesthesia. They experience the ordinary world in extraordinary ways and seem to inhabit a mysterious no-man's-land between fantasy and reality. For them the senses--touch, taste, hearing, vision and smell--get mixed up instead of remaining separate."
…..
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timberlandko
 
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Reply Tue 12 Apr, 2005 09:51 pm
Then again, if not for its ontological difficulties, perception would be nowhere near the discussion-fodder it is. :wink:
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twyvel
 
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Reply Tue 12 Apr, 2005 10:00 pm
Smile
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JLNobody
 
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Reply Wed 13 Apr, 2005 12:01 am
Good points, folks. I have the image of the blind men and the elephant. You all seem to have a grasp of some facets of the phenomenon of color. It is, IN PART, objective potential properties of matter; it is IN PART, a reflection of theoretical principles of physics; it is, IN PART, a reflection of our neural processes (I've even seen colors when punched in a fight); and it is, IN PART, a subjective experience. And we must not overlook the reality that since any particular experience of color reflects the interdependence of perceiver and perceived, it is essentially without substance, unable to stand alone as a single independent condition or event--unless, of course, we treat the interdepence/interaction as an "empty" unit (I'm thinking here of Nagarjuna's sunya).
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SCoates
 
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Reply Wed 13 Apr, 2005 12:13 am
Twyvel, I am familiar with the concept, but not many cases. My understanding (or rather, I should say "guess") is that it is caused by some sort fo faulty, or at least abnormal, wiring of the brain. Pthways that don't usually form.

I wonder if evolution will ever allow us to control our brains. It's very common for us to try and produce images in our minds, but it is even possible to make yourself hear sounds that aren't actually there (usually only when I'm really tired Wink). I wonder if it would be possible to make yourself smell certain things with enough concentration or practice. I'm certain it would be. Just a thought.
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JLNobody
 
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Reply Wed 13 Apr, 2005 03:53 pm
SCoates, I remember reading of some Tibetan Buddhists whose meditative powers of concentration were so great they could "conjure" the appearance of a "dark girl" with whom they would have sex. The vividness of this girl was so great that she could be felt and even seen by others. Not sure I believe this latter claim, but if the rest is so it would answer your question about the ability to experience smells by means of imagination.
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Omar de Fati
 
  1  
Reply Fri 15 Apr, 2005 09:14 pm
Color does not exist without light in any meaningful way. In the context set by this question, remembered color is not meaningful. By the same standard the phrase "color of the object" is not meaningful.

We can only dream what we remember experiencing. Without the experience of light, a colorful dream would never occur.

It's been suggested since the 'thing' about objects which determine their color remain in the absence of light, therefore, the 'thing' about the object can be called its 'color'. However, this 'thing' already has a name & is the natural frequency of the object's electrons (frequencies of light which match an electron's natural frequency are absorbed & translated into heat energy, the rest is reflected causing the 'object's color'*).



*there are more scenarios than absorbtion or reflection but are not relevant & considered too rare for consideration.
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SCoates
 
  1  
Reply Fri 15 Apr, 2005 09:56 pm
"color of the object is not meaningful"? Forgive me, but that doesn't make sense.

Have you actually read all of the posts so far?
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Ray
 
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Reply Fri 15 Apr, 2005 11:20 pm
In a sense yes.

The direct potential for a colour wave to be projected is there.
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timberlandko
 
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Reply Sat 16 Apr, 2005 01:32 am
SCoates, I think salient here is that color is an attribute of light, not of matter. Your position is understandable, from an experiential viewpoint. However, what must be considered regardin' that point of view is that what most folks consider "Light" is light a particular quality; namely undifracted, unpolarized illumination havin' a color temperature of approximately 5500º Kelvin, or nominal mid-day clear-sky sunlight. Change the color temperature, difract, or polarize the light, and the perceived color of matter reflectin' that light changes, sometimes dramatically. So long as there is light, there will be color, but the apparent, or perceived, color of matter is wholly dependent upon the qualities of the light by which that matter is illuminated.
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Cyracuz
 
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Reply Sat 16 Apr, 2005 07:06 am
I thought about this subject, and I came to think about sound. If we didn't use our light, but sound to create the mental image of the world, would we experience color then? Light is not essential for this kind of perception. It could be pitch black, doesn't matter. We'd see a wooden railing differently than a metal railing for instance, according to the reverberations the matter sends out. They'd have different mental images corresponding to their substance.

I simply wondered if it's possible to change light with sound for the sake of the experiment.

While it may be true that color is an attribute of light, sound is an attribute of the object. But sound needs a carrier, and light does not. It just needs a source and a clear path.

Don't know if this is relevant. Ignore it if it's not. Thanks.
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JLNobody
 
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Reply Sat 16 Apr, 2005 06:29 pm
If light bounces off the surfaces of two differently constituted objects, the color experienced by an occipital lobe should be different. Right? If so, can't we say that the properties of the "matter" comprising the two objects is involved in the creation of color? Light is a necessary cause, but is it a sufficient cause (for the experience) of color?

Another thought: in the absence of a light what do I see, black? Can I call that the "absence of color"? If so, then in the presence of light an object painted black is an object emitting no color. If that is so, then light is clearly not a sufficient cause of the experience of color.
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