EMC Final Review - The Visual Process-Lester Ch 1 1 To...

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The Visual Process-Lester Ch 1 1. To Sense. To Select. To Perceive. The anatomy of the eye and its connection to the brain 1. Physiology of the Eye • Eyebrows and Lashes • Blinking Washes Eyes • Sclera: White Part (80% of eyeball) • Cornea: Clear Part, Transplanting • Slows, bends light for focusing • Iris: Color, Greek for Rainbow • Muscle • Pupil: (A Little Doll) Light Enters • Opening • Lens: 2,200 Layers, Focuses Image • Aqueous Humor: Fluid b/w lens and cornea: Glaucoma 2. The Retina • 125 Million Photoreceptors • 7 Million for Color • 118 Million for Low Light • Choroid: Melanin Dark Layer Regions of the Retina • Peripheral • Outside Portion of the Retina • Sensitive to Low Light • Sensitive to Movements • Macula • Sharp Focus and Color • Foveal Pit: Most Sensitive Cells • Saccades: Constant Movement 3. Photoreceptors • Convert electromagnetic energy into biochemical messages • Rods • Peripheral Region • Night Vision • Visual Purple and Bleaching • Cones • Concentrated in Macula Region • Three Types Sensitive to Red, Green, and Blue Light 4. The Brain • 100 Billion Nerve Cells Each Linked to Up To 10,000 Other Cells • Thalamus: Filters all but Vision
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The Cortex • Occipital Lobe: Where Images are Initially Processed (Visual Cortex) • Parietal Lobe: Navigation and Grabbing (“How” pathway) • Temporal Lobe: Recognition and Meaning (“What” pathway) • Amygdala: Emotions get Attached Hippocampi • Memories are Created and Destroyed Visual Cues 1. Color-Color moves our eyes through a frame 2. Form- • Dots • Smallest Form • Pointillism, Georges Seurat • Halftone Photo Process and television • Lines • A Series of Dots • Always Attract Attention • Shapes • Parallelograms • Square and Rectangle • Circle • Triangles • Equilateral and Isosceles 3. Depth- The Eight Depth Cues • Space • Size • Color • Lighting • Textural Gradients • Interposition • Time • Perspective • Illusionary: Linear Perspective • Geometrical: Placement is Key • Conceptual: Multiview & Social 4. Movement- • Real • From Direct Images (nonmediated) • Apparent • Motion Pictures and Series (actors aren’t moving, the film is moving) • Graphic • A Viewer’s Eyes are Directed Throughout a Presentation
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• Implied • Visual Vibrations and Op Art Gestalt theory and laws & Cognitive visual processing (Lester, Ch. 3) 1. GESTALT: “The whole is greater than the sum of its parts.” Law of similarity-Items that are similar tend to be grouped together
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