Psych 100 Module 18 Terms
Psych 100 Module 18 Terms 100
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This 2 page Class Notes was uploaded by Michaella Kunz on Tuesday September 20, 2016. The Class Notes belongs to 100 at University of Wisconsin - Eau Claire taught by Dr. Matthews in Fall 2016. Since its upload, it has received 7 views. For similar materials see Introduction to Psychology in Psychology (PSYC) at University of Wisconsin - Eau Claire.
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Date Created: 09/20/16
Psych 100 Module 18 Terms: sensation - the process by which out sensory receptors and nervous system receive and represent stimulus energies from our environment perception - the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events bottom-up processing - analysis begins with the sensory receptors and works up to the brain's integration of sensory information top-down processing - analysis constructed by perceptions drawn from experience and expectations transduction - conversion of one form of energy into another. psychophysics - the study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them absolute threshold - the minimum stimulus needed to detect a particular light, sound, pressure, taste, or odor 50% of the time signal detection theory - a theory predicting how and when we detect the presence of a faint stimulus amid background stimulation. Assumes there is no single absolute threshold and that detection depends partly on a person's experience, expectations, motivation, and alertness subliminal - below one's absolute threshold for conscious awareness priming - the activation, often unconsciously, of certain associations, thus predisposing one's perception, memory, or response difference threshold - the minimum difference between 2 stimuli required for detection 50% of the time. We experience the difference threshold as a just noticeable difference Weber's law - the principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage sensory adaptation - diminished sensitivity as a consequence of constant stimulation perceptual set - a mental predisposition to perceive one thing and not another
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