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Related Flashcards
Related Topics
Cards In This Set
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Sensation
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Physical process. the stimulation of our sense organs by features of the outer world
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Perception
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A psychological process. the act of organizing and interpreting sensory experience
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Sensory adaptation
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The process by which our sensitivity diminishes when an object constantly stimulates our senses. ensures that we notice changes in our stimulation
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Transduction
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The conversion of physical into neural info
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Absolute thresholds
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The lowest intensity level of a stimulus a person can detect half of the time
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Difference threshold
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The smallest amount of change between two stimuli that a person can detct half of the time
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Weber's Law
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The finding that the size of just a noticeable difference is a constant fraction of the intensity of the stimulus
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Perpetual set
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The effect of fram of mind on perception. a tendency to perceive stimuli in a certain manner
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Subliminal perception
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The processing of info below the level of conscious awareness
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Perceptual fluency
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The ease whith which a stimulus is perceived after repeated exposure
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Cornea
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The clear hard covering that protects the lens of the eye. light enters here
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Pupil
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The opening in the iris through which light enters the eye
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Iris
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The muscle that forms the colored part of the eye; it adjusts the pupil to regulate the amount of light that enters the eye
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Lens
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The structure that sits behind the pupil; it bends the light rays that enter the eye to focus images on the retina
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Accommodation
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The process by which the muscles control the shape of the lens to adjust to viewing objects at different distances
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