PGS 101, Lec 4 (Sensation & Perception)

PGS 101, Lec 4 (Sensation & Perception) - Outer ear...

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Sensation & Perception
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Sensation = Perception Sensation Perception Sensory Adaptation
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Distal stimuli Proximal stimuli Perceptual hypotheses
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Vision The stimulus Amplitude Wavelength Purity The receptors
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Page 126 Figure 4.7
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Lens Pupil Retina Fovea
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Dark adaptation Light adaptation Optic chiasm
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Feature Detectors Simple cells Complex cells Hypercomplex cells
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Theories of Color Vision Trichromatic Opponent process theory
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Form Perception Theories Feature analysis
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Form Analysis Theories Feature analysis Gestalt theory
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Gestalt Principles Figure/Ground Proximity Similarity Continuity Closure Common Region Connectedness
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Depth Perception Binocular cues Retinal disparity Convergence Monocular cues Linear Perspective Relative Size Interposition Texture Gradient Height in Plane Shadowing
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Perceptual Consistency Color Size Shape
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Auditory System The stimulus Amplitude Wavelength Purity Human hearing capacity
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Page 162 (study) Figure 4.46
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Unformatted text preview: Outer ear Pinna (sound collecting cone) Ear Canal Middle ear Ossicles: hammer, anvil, stirrup Inner ear Cochlea Basilar membrane (celia) Theories of Pitch Perception Place theory Theory that we perceive pitch by where they occur on membrane Frequency theory Rate at which it is vibrating And the winner? Entire membrane vibrates but peak determines peak Gustatory System The stimuli Soluble chemicals Receptors Taste bud/papillae Detect four primary tastes Sweet, sour, bitter, salty Olfactory System (smell) The stimulus: soluble Receptors: olfactory celia The Tactile System The stimuli: thermal, chemical, or mechanical energy Receptors: nerve cells Four basic skin senses Temperature, pain, pleasure, touch Kinesthetic System (Do you know where your limbs are tonight?) Vestibular System...
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This note was uploaded on 03/16/2010 for the course PGS 11302 taught by Professor Mae during the Spring '10 term at University of Arizona- Tucson.

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PGS 101, Lec 4 (Sensation & Perception) - Outer ear...

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