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Anatomy of the Human Eye Anterior of the Human Eye in the Unaccomodated and Accomodated state Myopia and Other Refractive Errors Structure of the Retina Structure of the Retina Structural Differences Between Rods and Cones Retinal Pigment Epithelium Color Vision The Range of Luminance Values Over Which the Visual System Operates Diagrammatic Cross Section Through the Human Fovea Acuity vs Sensitivity Light Hyperpolarizes Rods & Cones Light Closes Sodium Channels Phototransduction Light Will Increase or Decrease Firing of Ganglion Cells On & Off Ganglion Cells Activity of an On-Center Ganglion Cell Contrast in Field Elicits Greatest Effect Information Processing in the Retina Circuitry that Generates Receptive Field Center Responses of Retinal Ganglion Cells mGluR6 AMPA Receptive Field Surround Types of Ganglion Cells P cell = high resolution, color M cell = transient signals, Movement of objects Central Projections of Retinal Ganglion Cells Projection of the Visual Fields onto the Retinas Projection of the Binocular Field of View Relates to Crossing of Fibers in Optic Chiasm Visuotopic Organization in the Right Occipital Lobe Course of the Optic Radiation to the Striate Cortex Mixing of Pathways from the Two Eyes First Occurs in the Sriate Cortex Magno-, parvo-, and koniocellular pathways Striate Cortex Organization Neurons in the Primary Visual Cortex Respond Selectively to Oriented Edges Neurons in the Primary Visual Cortex Respond Selectively to Oriented Edges Columnar Organization of Orientation Selectivity in the Monkey Striate Cortex Orientation Preference in Striate Cortex Organization of the Dorsal and Ventral Visual Pathways Extraocular eye muscles Cranial nerves Eyes right! Superior Colliculus Horizontal Gaze Center
