10.6.ch4

10.6.ch4 - Sensation and Perception: How the World Enters...

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Unformatted text preview: Sensation and Perception: How the World Enters the Mind Ch. 4: Sensation and Perception Sensation The registration of properties of an object or event when a sensory receptor is stimulated Perception The act of organizing and interpreting sensory input Vision: Detecting Light Wavelength: Frequency of waves per second Range of Electromagnetic Radiation: Structures of the Eye Controlling amount of light: Pupil Iris Focusing light: Cornea Lens Transduction of signals: Retina Fovea Optic nerve Filling in the blanks for the optic nerve The blind spot Locating your blindspot: At close range, cover left eye and stare at +. Move closer to screen until the maroon circle inside the yellow circle to the right disappears Receptors in the eye Rods (100-120 million) Very sensitive to light Only register shades of gray Not in fovea Cones (5-6 million) Sensitive to particular wavelengths Produce color vision Denser near fovea Layers of Retina Getting the most out of your...
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This note was uploaded on 04/07/2009 for the course PSYC 100 taught by Professor Madigan during the Fall '07 term at USC.

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10.6.ch4 - Sensation and Perception: How the World Enters...

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