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Published byVanessa Patrick Modified over 6 years ago
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Prompt #4 Being able to tell that the temperature in the room got warmer only after the thermostat was turned up 5 degrees. Getting so used to wearing a ring on your finger and noticing it is missing when it falls off. When telling the difference between two stimuli, this rule says the stronger the stimulus is to start the greater the change has to be to notice a difference. The least amount of a stimulus needed to notice a sensation. A cellist can pick out the sound of the cello when listening to an orchestra because they have a lot of experience with this instrument. Getting used to a certain level of a stimulus and responding only to changes away from that level.
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Perception Notes
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Perception Definition: the way we interpret sensations and organize them into meaningful experiences Examples: seeing a car, hearing song on the radio, feeling a desk
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Learning to Perceive Influenced by our needs, beliefs, and expectations Want something more likely to perceive Fit to our beliefs Previous experiences and expectations Use to build our perceptual set
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Perceptual Set Definition: perceiving some aspects of sensory info and ignoring others
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Perceptual Organization
Gestalt principles: brain automatically tries to make “wholes” out of info 5 Gestalt principles include…
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Proximity
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Continuity
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Similarity
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Simplicity
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Closure
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Figure-Ground Perception
Definition: ability to distinguish between a figure and its background
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Two faces or goblet?
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Woman’s face or saxophone player?
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Woman turned away or old woman with a large nose?
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What are two examples of figure-ground perception for senses other than sight?
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But Our perception is not perfect…
Ted Talk video:
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Understanding Visual Perception
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Visual Perception Terms
Retinal Disparity—The difference between the images each eye receives Convergence—Eyes turn inward for near objects Constancy—Perceive objects in the same way despite changing angle, distance, or lighting Illusions—Perceptions that incorrectly represent physical stimuli
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S&P Concepts Quiz Thursday!
Sensation Perception Absolute Threshold Difference Threshold Weber’s Law Signal-Detection Theory Sensory Adaptation Perceptual Set Gestalt Principles Figure-Ground Perception Retinal Disparity Convergence Constancy Illusions
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