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Definition
| 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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Definition
| the focusing of conscious awareness on a particular stimulus. |
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Definition
| failing to see visual objects when our attention is directed else where. |
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Definition
| failing to notice changes in the environment. |
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Definition
| the study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them. |
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Definition
| the minimum amount of stimulation needed to detect a particular stimulus 50% of the time. |
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Term
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Definition
| a theory predicting how and when we detect the presence of a faint stimulus (signal) amid background stimuation (noise). Assumes there is no single absolute threshold and taht detection depends partly on a person's experience, expectations, motivation, and alertness. |
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Definition
| below one's absolute threshold for conscious awareness. |
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Term
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Definition
| the activation, often unconsciously, of certain associations, thus predisposing one's perception, memory, or response. |
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