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2
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a visual receptor most sensitive to the violet-purple wavelengths; very sensitive for night vision; 'sees' only black and white
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5
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part of the eye that focuses an image on the retina
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6
|
gradual loss of attention to unneeded or unwanted sensory information
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7
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opening in the eye
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9
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process of receiving information from the environment
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10
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a measure of how loud a sound is (its intensity)
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11
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remains after stimulation of the retina has ended. Cones not used fire to bring the visual system back in balance
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12
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how loud a sound is
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14
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process of assembling and organizing sensory information to make it meaningful
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15
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a snail-shaped part of the ear, filled with fluid and small hairs that vibrate to incoming sound
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17
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sense of hearing
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19
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a colored circular muscle that opens and closes, forming larger and smaller circles to control the amount of light getting into the eye
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|
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1
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clear outer covering of the eye, behind which is a fluid
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3
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hairlike extensions on cells
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4
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of the eye, which contains millions of receptors for light
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6
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level of sensory stimulation necessary for sensation to occur
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8
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how high or low a sound is
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13
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a visual receptor that responds during daylight; 'sees' color
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16
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a piece of skin stretched over the entrance to the ear; vibrates to sound
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18
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complexity of a sound
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|
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