L3VisionShort - Quiz 1 in Sections this week x Will cover x Lectures 1-2(History/Methods Perception x Chapter 1 and pp 75-100 x See Exam 1 review

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1 Quiz 1 in Sections this week Quiz 1 in Sections this week Will cover: Lectures 1-2 (History/Methods, Perception) Chapter 1 and pp. 75-100 See Exam 1 review sheet for topics
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2 The Visual System The Visual System
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Lecture Outline Lecture Outline Issues: (a) What is the basic visual anatomy? (b) How is visual information coded? (c) How is visual information processed? 1. Overview 2. The eye Retina, ganglion cells 3. The thalamus 4. Visual cortex 5. Two visual pathways: What vs. where
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4 The Distal Stimulus The Distal Stimulus Light is emitted from a light source. Some frequencies of light are absorbed by a distal stimulus. Other frequencies of light are reflected. Some of this light reaches your eyes.
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The Eye The Eye
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7 The Cells of the Retina The Cells of the Retina Light Neural signals To Brain
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8 Rods and Cones Rods and Cones Rods and cones are photo-receptors. A photo-chemical reaction takes place inside these cells when exposed to light. Rods detect brightness. Cones are concentrated in the fovea. Most people have three types of cones: Blue, green, red
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9 Bipolar Cells Ganglion Cells
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10 Light Neural signals To Brain
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The Neuron The Neuron
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The Neuron The Neuron Difference in charge inside vs. outside axon: Potential Potential
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Resting Potential Action Potential Resting Potential Potential
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14 Neural Firing Neural Firing 1. Threshold : Potential must get above a threshold level for neuron to fire Firing = generating an action potential
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This note was uploaded on 01/18/2011 for the course PSYCH 240 taught by Professor Gehring during the Fall '08 term at University of Michigan.

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L3VisionShort - Quiz 1 in Sections this week x Will cover x Lectures 1-2(History/Methods Perception x Chapter 1 and pp 75-100 x See Exam 1 review

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