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24 Cards in this Set
- Front
- Back
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The process of the brain interpreting information
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Perception
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The part of the outside world that influences behavior or consciousness
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Stimulus
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The process of the brain translating one form of energy (incoming stimuli) into another (sensory information).
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Transduction
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The path cells take during Transduction
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Receptor cells to neural impulses
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Which cells transmit sensations?
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Sensory receptor cells
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The lower limits of sensory experience
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Threshold
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The smallest magnitude you can detect half of the time
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Absolute Threshold
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The smallest difference between 2 stimuli to be detected half of the time
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difference threshold
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When receptor cells become fatigued
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Sensory Adaptation
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The studies of manners related to perception and sensation
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Psychophysics
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The law that states that the amount of change needed for detection half of the time is always in direct proportion to intensity of original stimulus
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Weber's Law
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JND stands for
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Just noticeable difference
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Waves vary in intensity and frequency
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Electromagnetic radiation
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Brightness of light is its
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Intensity
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The frequency of wavelength determines..
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Color (the more wavelength, the less pure its hue - red)
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EYE - light passes through..
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CORNEA
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EYE - this regulates light through pupil into lens
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IRIS
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The lens is held in place by the..
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CILIARY MUSCLE
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The center of the retina is called..
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FORVEA
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The clarity and sharpness is called
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Visual acuity
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EYE - these are responsible for periphreal vision, are hundreds of times more sensitive to light than cones, and detect black and white
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RODS
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The cones determine..
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color
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We have ______ million cones
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6
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We have ______ million rods
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125
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