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A Tricky Question

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  • L Offline
    L Offline
    Lost User
    wrote on last edited by
    #1

    If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

    - Nevin Janzen

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    • L Lost User

      If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

      - Nevin Janzen

      D Offline
      D Offline
      Dalek Dave
      wrote on last edited by
      #2

      Our eyes do not interpret anything. The rods and cones in the retina react to the photons hitting them and send a signal down the optic nerve which runs postero-medially towards the optic chiasm. This is where information is relayed to the visual cortex, while other axons terminate in the pretectal nucleus and are involved in reflexive eye movements. The visual cortex then processes the signals to provide the image. This[^] link may help.

      ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

      L S 2 Replies Last reply
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      • L Lost User

        If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

        - Nevin Janzen

        A Offline
        A Offline
        AspDotNetDev
        wrote on last edited by
        #3

        The dumbed down version of what DD said: the thingies in the back of our eyes send different signals to the brain depending on the wavelength/amplitude of light they observe. Our brains assign meaning (color) to that signal.

        Help a brotha out and vote Managing Your JavaScript Library in ASP.NET as the best ASP.NET article of May 2011.

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        • L Lost User

          If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

          - Nevin Janzen

          J Offline
          J Offline
          Joan M
          wrote on last edited by
          #4

          What DD says is more than correct... then you name the color blue that way due to your education and your environment... Every one of us have senses and senses trick us in different ways, we are organic so we are not precise, but our brain gets used to that and as we cope with the world using our senses we are always reacting to a "possibly" wrong information and we are used to it.

          [www.tamelectromecanica.com] Robots, CNC and PLC machines for grinding and polishing.

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          • L Lost User

            If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

            - Nevin Janzen

            G Offline
            G Offline
            GlobX
            wrote on last edited by
            #5

            I think you were approaching this from a philosophical perspective, don't worry, I get you. Check this out[^], it's actually a big unanswered question in Western philosophy. It's a question of whether the colour (i.e. what we see in our own personal vision) is a product directly of the wavelength, or more of the mind assigning that wavelength a visual interpretation. Either way, you can still teach someone what the colour "blue" is, because all "blues" have the same wavelength. Trippy, isn't it?? Confucius say "red is only a colour, but green is a way of life" :)


            Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

            D M 2 Replies Last reply
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            • G GlobX

              I think you were approaching this from a philosophical perspective, don't worry, I get you. Check this out[^], it's actually a big unanswered question in Western philosophy. It's a question of whether the colour (i.e. what we see in our own personal vision) is a product directly of the wavelength, or more of the mind assigning that wavelength a visual interpretation. Either way, you can still teach someone what the colour "blue" is, because all "blues" have the same wavelength. Trippy, isn't it?? Confucius say "red is only a colour, but green is a way of life" :)


              Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

              D Offline
              D Offline
              Dalek Dave
              wrote on last edited by
              #6

              Confucious also say... "When belly full, chin hit chest"

              ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

              1 Reply Last reply
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              • L Lost User

                If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

                - Nevin Janzen

                _ Offline
                _ Offline
                _Damian S_
                wrote on last edited by
                #7

                I have many blind friends, including my best friend. I had a conversation with him once about colours, and essentially colours are meaningless to him, but he still enjoys looking at any new vehicles etc... He knows that traditionally grass is green, but green itself has pretty much no meaning for him.

                Silence is golden... but duct tape is silver!! Booger Mobile - My bright green 1964 Ford Falcon - check out the blog here!! | If you feel generous - make a donation to Camp Quality!!

                1 Reply Last reply
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                • L Lost User

                  If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

                  - Nevin Janzen

                  C Offline
                  C Offline
                  Christian Graus
                  wrote on last edited by
                  #8

                  I am red/green color blind, but I still see 'green'. There is no way of knowing if my green is your green, any more than we can tell if my perception of a banana's taste is exactly the same as yours.

                  Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                  S 1 Reply Last reply
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                  • D Dalek Dave

                    Our eyes do not interpret anything. The rods and cones in the retina react to the photons hitting them and send a signal down the optic nerve which runs postero-medially towards the optic chiasm. This is where information is relayed to the visual cortex, while other axons terminate in the pretectal nucleus and are involved in reflexive eye movements. The visual cortex then processes the signals to provide the image. This[^] link may help.

                    ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

                    L Offline
                    L Offline
                    loveangel888
                    wrote on last edited by
                    #9

                    Then we're programmed by common sense to build a function which returns the name of the color whenever we see it.

                    -------------------------------------------------- Who is so smart to grow Bombax ceiba in the middle of the city?

                    1 Reply Last reply
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                    • L Lost User

                      If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

                      - Nevin Janzen

                      D Offline
                      D Offline
                      David Crow
                      wrote on last edited by
                      #10

                      Read the first few paragraphs here.

                      "One man's wage rise is another man's price increase." - Harold Wilson

                      "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

                      "Some people are making such thorough preparation for rainy days that they aren't enjoying today's sunshine." - William Feather

                      1 Reply Last reply
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                      • L Lost User

                        If the colors we see depends on our eyes, what causes our eyes to interpret what we see is the color green, and many shades of it? :confused::wtf::confused::wtf::confused::wtf::confused::wtf::confused:

                        - Nevin Janzen

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #11

                        Good job to all of you! :thumbsup::thumbsup::thumbsup::thumbsup::thumbsup: But just to let you know, I wasn't asking a question because I didn't know the answer, I asked it to see how many people could give the correct answer; and you all passed with flying colors (pun not intended). :laugh::laugh::laugh::laugh::laugh:

                        - Nevin Janzen

                        A 1 Reply Last reply
                        0
                        • L Lost User

                          Good job to all of you! :thumbsup::thumbsup::thumbsup::thumbsup::thumbsup: But just to let you know, I wasn't asking a question because I didn't know the answer, I asked it to see how many people could give the correct answer; and you all passed with flying colors (pun not intended). :laugh::laugh::laugh::laugh::laugh:

                          - Nevin Janzen

                          A Offline
                          A Offline
                          AspDotNetDev
                          wrote on last edited by
                          #12

                          ElectronicShocker wrote:

                          I wasn't asking a question because I didn't know the answer

                          *dude falls on face, losing teeth in the process* I meant to do that!!!

                          Help a brotha out and vote Managing Your JavaScript Library in ASP.NET as the best ASP.NET article of May 2011.

                          M 1 Reply Last reply
                          0
                          • D Dalek Dave

                            Our eyes do not interpret anything. The rods and cones in the retina react to the photons hitting them and send a signal down the optic nerve which runs postero-medially towards the optic chiasm. This is where information is relayed to the visual cortex, while other axons terminate in the pretectal nucleus and are involved in reflexive eye movements. The visual cortex then processes the signals to provide the image. This[^] link may help.

                            ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

                            S Offline
                            S Offline
                            Sergey Alexandrovich Kryukov
                            wrote on last edited by
                            #13

                            Dalek, this is not true at all. Our eyes do perform "pre-processing" of the signal in the most tricky ways. This is done in the layers between the rods and cones and the optic nerves. There is a lot of experimental data about it and tons of literature. Also, colors and other aspects if perception are subject of considerable individual variations. Some of those variations are clearly measurable; there is a lot of experimental data and literature. The concept of color and the concept of "normal" color perception is extremely complex. Light of different spectrum is perceived as the same color by one individual, but another one can see them as different. This is not because they have different sensitivity, but because of different "color balance". I want to emphasize that interpretation if vision signals is done not only in brain but also in the eyes themselves. I learned some of this during introductory courses into major specialty and later due to my interest to the topic. I don't say it was serious study, but I've read number of articles. Experimental techniques are quite non-trivial and not so easy to follow.

                            —SA

                            Sergey A Kryukov

                            modified on Wednesday, June 22, 2011 12:11 PM

                            1 Reply Last reply
                            0
                            • G GlobX

                              I think you were approaching this from a philosophical perspective, don't worry, I get you. Check this out[^], it's actually a big unanswered question in Western philosophy. It's a question of whether the colour (i.e. what we see in our own personal vision) is a product directly of the wavelength, or more of the mind assigning that wavelength a visual interpretation. Either way, you can still teach someone what the colour "blue" is, because all "blues" have the same wavelength. Trippy, isn't it?? Confucius say "red is only a colour, but green is a way of life" :)


                              Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

                              M Offline
                              M Offline
                              Mark_Wallace
                              wrote on last edited by
                              #14

                              GlobX wrote:

                              Confucius say "red is only a colour, but green is a way of life"

                              I thought he said "Man who have hole in pocket walk round feel cocky." And "Man with two hole in pocket not feel too cocky."

                              I wanna be a eunuchs developer! Pass me a bread knife!

                              G 1 Reply Last reply
                              0
                              • M Mark_Wallace

                                GlobX wrote:

                                Confucius say "red is only a colour, but green is a way of life"

                                I thought he said "Man who have hole in pocket walk round feel cocky." And "Man with two hole in pocket not feel too cocky."

                                I wanna be a eunuchs developer! Pass me a bread knife!

                                G Offline
                                G Offline
                                GlobX
                                wrote on last edited by
                                #15

                                A man of much wisdom, I believe he also said (in his capacity as a marriage counselor) "foolish man give wife grand piano; wise man give wife upright organ".


                                Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

                                M 1 Reply Last reply
                                0
                                • G GlobX

                                  A man of much wisdom, I believe he also said (in his capacity as a marriage counselor) "foolish man give wife grand piano; wise man give wife upright organ".


                                  Typical n-tiered architecture: DB <-> Junk(0) <-> ... <-> Junk(n-1) <-> Pretty

                                  M Offline
                                  M Offline
                                  Mark_Wallace
                                  wrote on last edited by
                                  #16

                                  I certainly would not recommend the recent movie about him. Not Fat Chow Yun's finest hour.

                                  I wanna be a eunuchs developer! Pass me a bread knife!

                                  1 Reply Last reply
                                  0
                                  • A AspDotNetDev

                                    ElectronicShocker wrote:

                                    I wasn't asking a question because I didn't know the answer

                                    *dude falls on face, losing teeth in the process* I meant to do that!!!

                                    Help a brotha out and vote Managing Your JavaScript Library in ASP.NET as the best ASP.NET article of May 2011.

                                    M Offline
                                    M Offline
                                    Mark_Wallace
                                    wrote on last edited by
                                    #17

                                    I imagine that acting like the taskmaster of the group is also a good way to get one-voted.

                                    I wanna be a eunuchs developer! Pass me a bread knife!

                                    1 Reply Last reply
                                    0
                                    • C Christian Graus

                                      I am red/green color blind, but I still see 'green'. There is no way of knowing if my green is your green, any more than we can tell if my perception of a banana's taste is exactly the same as yours.

                                      Christian Graus Driven to the arms of OSX by Vista. Read my blog to find out how I've worked around bugs in Microsoft tools and frameworks.

                                      S Offline
                                      S Offline
                                      Sergey Alexandrovich Kryukov
                                      wrote on last edited by
                                      #18

                                      You would be surprised to learn how very cunning experimental techniques can measure those differences; they are mostly based on field contrast methods… It's well known now that every individual has distinctly different "color balance".

                                      —SA

                                      Sergey A Kryukov

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