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18 Cards in this Set
- Front
- Back
sensation |
process by which senses detect, visual, auditory etc. stimuli and transmit them to the brain |
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the ______________ of a sense marks the difference between not being able to perceive a stimulus and being just barely able to perceive it |
absolute threshold |
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the process of becoming less sensitive to unchanging stimuli over time is called |
sensory adaption |
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saturation |
refers to the purity of the colour people see |
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lens |
another clear structure behind iris, suspended by muscles finishes the focusing process begun by cornea |
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cones |
visual sensory receptors found at the back of the retina, responsible for colour vision/sharpness |
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after image |
images that occur when a visual sensation persists for a brief time even after the original stimulus is removed |
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eardrum |
thin section of skin that tightly covers the opening into the middle part of the ear (ie. drum skin covers opening in drum) |
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gustation |
term for sensation of taste |
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olfaction |
sense of smell |
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olfactory bulbs |
areas of brain located above sinus cavity/below frontal lobe, that receive information from the olfactory receptor cells |
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figure ground |
gestalt principle; tendency to perceive objects as existing on a background |
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proximity |
gestalt principle; to perceive objects close together as part of the same grouping |
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closure |
gestalt principle; tendency to complete figures that are incomplete |
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depth perception |
ability to perceive the word in three dimensions |
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monocular |
cues for perceiving depth based on only one eye |
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binocular |
cues for perceiving depth based on both eyes |
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perceptual set |
tendency to perceive things a certain way because previous experiences influence those perceptions |