08a vision processing overview
TRANSCRIPT
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Visual Signal Processing
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Visual receptor
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Retina histology
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Photoreceptors Rod and Cone
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Anatomical Distribution of Rods and Cones
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Phototransduction
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Phototransduction and electrical conduction
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Retina Functional organization
1. Retinal cell types
2. Neural Circuitry of Retina
3. Hyperpolarization
4. Neurotransmitters
5. Electrical synapse with graded conduction
6. Lateral inhibition
7. Bipolar cell depolarization/ hyperpolarization
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Lateral inhibition mechanism
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Central Projections of Retinal Ganglion Cells
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Pupillary reflex
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Organization of Visual Cortex
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Extrastriate Visual Areas Macaque Monkey
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Human Visual Cortex fMRI
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Simple Cell
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Complex cell
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Orientation column of visual cortex
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Blobs and Ocular dominance Column
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AIT = anterior inferior temporal area; CIT = central inferior temporal area; LIP = lateral intraparietal area; Magno = magnocellular layers of the lateral geniculate nucleus; MST = medial superior temporal area; MT = middle temporal area; Parvo = parvocellular layers of the lateral geniculate nucleus; PIT = posterior inferior temporal area; VIP = ventral intraparietal area.) (Based on Merigan and Maunsell 1993.)
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Motion in the visual field
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MT lesions in Monkey and Man with altered Motion Perception
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Depth of vision
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Neuronal basis of stereoscopic vision
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Illusion of Edges: V2 in Monkey
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Inferior Temporal neuron response to Color & Form
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Face and Complex Form Recognition ITC
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Color Vision
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Cones and Color Vision
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Surface reflectance
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Surface reflected from blue vase in sunlight and skylight
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The reflectance function of a natural surface
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L+M
L-M
L+M-S
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Receptive field of Primate Ganglion Cells for Color
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The Importance of Context in Color Perception
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Color blindness
Normal Protanope
Deuteranope Tritanope
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Ishihara Chart for Color blindness testing
21, 2