Lecture 9 - The Eye The Eye Visual Field Peripheral retinal...

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The Eye
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The Eye
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Visual Field Peripheral retinal information is sent to same hemisphere of occipital lobe as eye Nasal retinal information is sent to opposite hemisphere Optic Chiasm nerves cross & carry information back to occipital lobes
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Pathway from the Eyes to the Visual Cortex
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Brain Involvement in Vision: The Occipital Lobe Feature detectors neurons at cortical level operate as feature detectors. Speculate that vision works by breaking down parts of a scene and the brain reassembles them -- more like a computer than a camera research evidence suggests primates (monkeys) have specific cells in their brains that respond only to monkey faces
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Electrodes record how individual cells in the a monkey’s visual cortex respond to different visual stimuli.
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Parallel Processing
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Visual Information Processing
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Retina has cones differentially sensitive to red, green and blue -- the 3 light colors. color is a mental construction
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This note was uploaded on 04/17/2008 for the course PSY 121 taught by Professor Whisenhunt during the Spring '08 term at Missouri State University-Springfield.

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Lecture 9 - The Eye The Eye Visual Field Peripheral retinal...

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