Test Yourself by taking a moment to answer each of these Learning Objective Questions (repeated here from within the module). Research suggests that trying to answer these questions on your own will improve your long-
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Test yourself on these terms.
sensation (p. 200) perception (p. 200) bottom- top- transduction (p. 200) absolute threshold (p. 201) signal detection theory (p. 201) subliminal (p. 201) priming (p. 201) difference threshold (p. 202) Weber's law (p. 203) sensory adaptation (p. 204) perceptual set (p. 205) | the minimum stimulus energy needed to detect a particular stimulus 50 percent of the time. information processing guided by higher- the activation, often unconsciously, of certain associations, thus predisposing one's perception, memory, or response. the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. analysis that begins with the sensory receptors and works up to the brain's integration of sensory information. diminished sensitivity as a consequence of constant stimulation. conversion of one form of energy into another. In sensation, the transforming of stimulus energies, such as sights, sounds, and smells, into neural impulses our brain can interpret. a theory predicting how and when we detect the presence of a faint stimulus (signal) amid background stimulation (noise). Assumes there is no single absolute threshold and that detection depends partly on a person's experience, expectations, motivation, and alertness. the minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference (or jnd). a mental predisposition to perceive one thing and not another. the principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage (rather than a constant amount). the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events. below one's absolute threshold for conscious awareness. |
Test yourself repeatedly throughout your studies. This will not only help you figure out what you know and don’t know; the testing itself will help you learn and remember the information more effectively thanks to the testing effect.
1. Sensation is to ________ as perception is to ________.
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2. The process by which we organize and interpret sensory information is called .
3. Subliminal stimuli are
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4. Another term for difference threshold is the .
5. Weber's law states that for a difference to be perceived, two stimuli must differ by
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6. Sensory adaptation helps us focus on
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7. Our perceptual set influences what we perceive. This mental tendency reflects our
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