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SENSATION.PERCEPTION
NATANSON EXAM 2: SEN.PER 2011 SPRING
| Question | Answer |
|---|---|
| Human senses categories | chemical and energy |
| Iris | colored part of the eye that regulates the amount of light that enters. |
| Cones | photoreceptors for color |
| Opponent process theory of color vision | opposing retinal processes (red-green, yellow-blue) enable color vision. For example, some cells are stimulated by green and inhibited by red, others are stimulated by red and inhibited by green. |
| Basilar membrane | membrane running the length of the cochlea that contains the auditory receptor (hair) cells |
| Volume | the subjective experience of the intensity of a sound, which corresponds most closely to the amplitude of the sound waves composing it |
| Absolute threshold | the minimum stimulation needed to detect a particular stimulus 50 percent of the time. |
| Difference threshold | the minimum difference between two stimuli required for detection 50 percent of the time. |
| Binocular | depth cues, such as retinal disparity and convergence, that depend on the use of two eyes. |
| monocular cues | distance cues, such as linear perspective and overlap, available to either eye alone. |
| Perceptual set | a mental disposition to perceive one thing and not another |
| Top-down processing | information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations. |
| Sensory adaptation | decreasing responsiveness to stimuli, due to constant stimulation. |
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ninacn
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