• 22 AUG 18
    • 0

    Describe the role of photoreceptors and their location in the eye

    For this assignment, there are 2 parts. Make sure to answer all questions.  Provide a detailed response to the topic questions in the Discussion Area.

    To support your work, make sure to utilize your course and text readings. When asked, also utilize outside sources. As in all assignments, make sure to cite your sources in your work and provide references for those citations utilizing APA format.

    • Consider the conceptual physics behind the visual process. Explain how the curves of the cornea and the lens relate to the angle of light wave projection. Describe some of the changes or problems in the eye structure that can cause a problem with vision. Describe some of these problems and the way they alter or block light waves. For example, cataracts obstruct light waves, thereby causing problems with vision.
    • Describe the role of photoreceptors and their location in the eye. Explain the importance of locations to other cells in the retina and the influence on light waves.
    • The optic nerve produces a blind spot in our visual field. Explain how the knowledge about the blind spot and our lack of awareness teach us about the perceptual process.

    course text book: Goldstein, B. E. (2016). Sensation and Perception (10th ed.). Belmont, CA: Wadsworth, Cengage Learning. (ISBN: 9781305580299)

    From your course textbook, Sensation and Perception, read the following chapters:

    • Perceiving objects and scenes
    • Visual attention
    • Visual Process
    • Visual Sensation
     

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