SensationVocab - Sensation Vocabulary the process by which...

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Sensation Vocabulary sensation perception bottom-up processing top-down processing psychophysics absolute threshold subliminal below one's absolute threshold for conscious awareness difference threshold difference threshold we experience this as a just noticeable difference threshold Weber's law sensory adaptation diminished sensitivity as a consequence of constant stimulation transduction conversion of one form of energy into another transduction wavelength hue hue what we know as the color names blue, green, and so forth intensity the amount of energy in a light or sound wave intensity pupil iris the process by which our sensory receptors and nervous system  receive and represent stimulus energies from our environment the process of organizing and interpreting sensory information,  enabling us to recognize meaningful objects and events analysis that begins with the sense receptors and works up to the  brain's integration of sensory information. information processing guided by higher-level mental processes,  as when we construct perceptions drawing on our experience and  expectations.  the study of relationships between the physical characteristic of  stimuli, such as their intensity, and our psychological experience of  them. the minimum stimulation needed to detect a particular stimulus 50  percent of the time signal detection  theory a theory predicting how and when we detect the presence of a  faint stimulus ("signal") amid background stimulation ("noise") signal detection  theory assumes that there is no single absolute threshold and that  detection depends partly on a person's experience, expectations, 
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SensationVocab - Sensation Vocabulary the process by which...

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