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Definition
| the activation of the sense organs by a source of physical energy |
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Definition
| the sorting out, interpretation, analysis, and intergation of stimuli carried out by the sense organs and brain |
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Definition
| any passing source of physical energy that produces a response in a sense organ |
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| the study of the relationship between the physical aspects of stimuli and our psychological experience of them. played a central role in the development of the field of psychology, and many of the first psychologists studied issues related to psychophysics |
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Definition
| the smallest intensity of a stimulus that must be present for it to be detected. measured under ideal conditions. normally our senses cannot detect stimulation quite as well because of the presence of noise (background stimulation that interferes with the perception of other stimuli) |
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Definition
the smallest level of added (or reduced) stimulation required to sense that a change in stimulation has occurred.
also called a just noticeable difference |
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