Term
| What is meant by ‘perceptual set’? |
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Definition
| a mental predisposition to perceive one thing and not another. |
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Term
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Definition
| the minimum stimulus energy needed to detect a particular stimulus 50 percent of the time. |
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Term
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Definition
| the minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference |
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Term
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Definition
| information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations. |
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Term
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Definition
| analysis that begins with the sensory receptors and works up to the brain's integration of sensory information. |
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Term
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Definition
| diminished sensitivity as a consequence of constant stimulation. |
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Term
| What are some problems that the eye can suffer? |
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Definition
| blindness, color blindness |
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Term
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Definition
| the theory that opposing retinal processes (red-green, yellow-blue, white-black) enable color vision. For example, some cells are stimulated by green and inhibited by red; others are stimulated by red and inhibited by green. |
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Term
| What are some of the dimensions within light? |
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Definition
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