AP Psychology Unit Three Sensation and Perception

the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment

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the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events

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analysis that begins with the sensory receptors and works up to the brain's integration of sensory information.

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information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations.

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the focusing of conscious awareness on a particular stimulus.

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failing to see visible objects when our attention is directed elsewhere.

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failing to notice changes in the environment

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the minimum stimulation needed to detect a particular stimulus 50 percent of the time.

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the activation, often unconsciously, of certain associations, thus predisposing one's perception, memory, or response.

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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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