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| the detection of physical energy emitted or reflected by physical objects; it occurs when energy in the external environment or the body stimulates receptors in the sense organs |
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| the process by which the brain organizes and interprets sensory information |
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| specialized cells that convert physical energy in the environment or the body to electrical energy that can be transmitted as nerve impulses to the brain |
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| the smallest quantity of physical energy that can be reliably detected by an observer |
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| the reduction or disappearance of sensory responsiveness is unchanging or repetitious |
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| the absence of normal levels of stimulation |
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| the overstimulation of the senses |
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| the focusing of attention on selected aspects of the environment and the blocking out of others |
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| protects the eye and bends light towards the lense |
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| focuses on an object by changing shape |
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| controls the amount of light that enters the eye |
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| aperture through which light reactes the retina |
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| neural tissue lining the back of the eyeball’s interior, containing the receptors of vision |
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| visual experience specified by color names and related to the wave length of light |
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Definition
| visual experience related to the amount of light emitted from or reflected by an object |
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| visual experience related to the complexity of light waves |
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Definition
| cells in the visual cortex that are sensitive to specific features of the environment |
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| a competing theory of color vision which assumes that the visual system treats pairs of colors as opposing or antagonistic; cells are inhibited by a color and have a burst of activity when it is removed |
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| close things grouped together |
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| lines interpreted as either continuous or abruptly shifting in direction |
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| the turning inward of the eyes which occurs when they focus on a nearby object |
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| the slight difference in lateral separation between two objects as seen by the left eye and the right eye |
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| recognize things from different angles |
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| realization that a person may be moving, not the object viewed |
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| realize shapes look different in variations in illumination |
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| the dimension of auditory experience related to the intensity of a pressure wave |
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Definition
| the dimension of auditory experience related to the frequency of pressure wave; the height or depth of a tone |
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Definition
| the distinguishing quality of a sound; the dimension of auditory experience related to the complexity of the pressure wave |
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Definition
| nests of taste-receptor cells |
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Definition
| sweet, salty, sour, bitter, umami |
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