Lecture22 - BioNB222 Cornell University Spring 2008 Carl D....

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BioNB222 Spring 2008 Cornell University Carl D. Hopkins 1 Purves et al., (2007) Fig. 11.5 Lecture 22. Visual Periphery For humans and other primates vision occupies an enormous part of our sensory brain, and dominates our behavior. It is a sense with complexity and order. Having already discussed transduction, now we turn to the early events in vision, taking place in the retina. The rods and cones encode the intensity of the light using a frequency, but adapt to constant light. The retina exemplifies parallel pathways for “on” and “off”. Through interactions of cells the images are sharpened by lateral interactions. Reading Assignment: Purves et al. (2007) Chapter 11. The reading assignment is from Chapter 11 of the textbook, which will be covered in part. Please read the entire chapter for this lecture. Learning Objectives Students should be able to: 1) Describe the sensory receptors for vision and their location within the retina. 2)
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This note was uploaded on 04/30/2008 for the course BIO 2220 taught by Professor Hopkins,c.d. during the Spring '08 term at Cornell University (Engineering School).

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Lecture22 - BioNB222 Cornell University Spring 2008 Carl D....

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