Sensation and Perception The Five Senses Gestalt Perceptions Cues to the brain.

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Presentation transcript:

Sensation and Perception The Five Senses Gestalt Perceptions Cues to the brain

The Eye  Cornea  Lens  Retina  Rods  Cones  Fovea  Vitreous humor  Optic Nerve

Three Dimensions of Color Vision  Hue is the specific color perceived  Saturation refers to the purity of the color  Brightness refers to the intensity of the light energy that is perceived blueLower Saturation (more gray) More Brightness (more white)

 Pinna  Auditory Canal  Eardrum  Ossicles  Cochlea  Semi- circular canals The Ear

Characteristics of Sound  Frequency  Amplitude  Timbre  Place Theory  Frequency Theory

Sense of Smell  Olfactory epithelium  Olfactory bulbs  Pheromones

Sense of Taste

Other Senses Tactile Kinesthetic sense Vestibular sense Extra-Sensory Perception (ESP)?

Gestalt Principles of Perceptual Organization  Figure-Ground  Similarity  Proximity  Continuity  Closure

Figure-Ground

Perceptual Constancies Size Constancy Shape Constancy Brightness constancy

Depth Perception Binocular depth cues – visual depth cues that depend on both eyes working together. Monocular depth cues – visual depth cues perceived by one eye alone. Interposition Linear perspective Relative Size Texture gradient Atmospheric perspective Shadow or shading Motion parallax

Innate or Learned?  The visual cliff  Recovery from blindness  Culture and perception