module 8 and 9

module 8 and 9 - Module 8 Sensation the process by which...

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Module 8 Sensation: the process by which sensory systems (eyes, ears, and other sensory organs) and the nervous system receive stimuli from our environment Bottom- up processing: information processing that analyzes the raw stimuli entering through the many sensory systems Perception: the process of organizing and interpreting incoming sensory information Top- down processing : information processing that draws on expectations and experiences to interpreter incoming sensory information Absolute threshold: the minimum amount of stimulation needed to detect a particular stimulus. Difference threshold (just noticeable difference): the minimum amount of difference needed to detect that two stimuli are not the same Signal detection theory: a theory that predicts how and when we detect the presence of a faint stimulus (signal) amid background stimulation (noise) Sensory adaptation: diminished sensitivity to constant and unchanging stimulation Selective attention: focusing conscious awareness on a particular stimulus to the exclusion of others Cornea: the clear, curved bulge on the front of the eye that bends light rays to begin discussing
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module 8 and 9 - Module 8 Sensation the process by which...

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