Psych M.D.-Cones


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Term: Cones
Definition (Myers):receptor cells that are concentrated near the center of the retina and that function in daylight in well-lit conditions. The cones detect fine detail and give rise to color sensations. 1
Definition (alternative): one of the cone-shaped cells in the retina of the eye, sensitive to color and intensity of light.2
Contextual explanation: Cones work together with rods in the retina. They are the cells that enable us to see color and are not as sensitive to light as the rods are. The cones function during the day when there is light, which is why we can see color. When the cones and retina work together, they can produce chemical changes.
Related terms and concepts:
Cones3
4
Related websites:
Sources:
  1. Myers, D.G. (2004). Psychology. Holland, Michigan: Worth Publishers.
  2. Cones. Retrieved September 21, 2009, from Dictionary Web site: http://dictionary.reference.com/browse/cones
  3. Cone. Retrieved September 21, 2009, from The Free Dictionary Web site: http://img.tfd.com/MosbyMD/thumb/cone.jpg
  4. (2008, Nov. 11). Human Physiology : How Does the Eye See Color?. Retrieved September 21, 2009, from Youtube Web site: http://www.youtube.com/watch?v=9ImE-xMQqXc&feature=fvw



Edited by: Lydia
Date of last edit: 9/22/09



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