Psych M.D. – Retina



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Term:Retina
Definition (Myers):The eyeball's light-sensitive surface on which the rays focus is a multilayered tissue (p.202)1
Definition (alternative): A layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed2
Contextual explanation: The retina is where light focuses at the end of the eyeball. When the image passes to retina, it's upside down. Moreover, the retina does not read the whole image but the receptor cells, rods and cones, convert the light energy into neural impulses that are sent to the brain. This is how people actually see images.

Related terms and concepts: insert links to other pages on The Neuron here
Psych M.D. – Retina - The Neuron3
Psych M.D. – Retina - The Neuron4

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  1. Myers, D.G. (2004). Psychology. New York: New York:Worth Publishers.
  2. AskOxford: retina. Retrieved September 10, 2009, from AskOxford Web site: http://www.askoxford.com/concise_oed/orexxtina?view=uk
  3. Diwan , Piyush (2009,01,17). Retina of eye revealed effect of cerebral malaria on brain . Retrieved September 10, 2009, from Health Update Web site: http://www.topnews.in/healthcare/general/health-update
  4. Price, Joel Eye and Retina. Retrieved September 10, 2009, from The W.U.S.M. Neuroscience Tutorial Web site: http://thalamus.wustl.edu/course/eyeret.html
  5. (2006,11,02). How Light Enters the Eye. Retrieved September 10, 2009, from Youtube Web site: http://www.youtube.com/watch?v=15P8q35vNHw
Edited by: Youngmin
Date of last edit: 091009


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