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UTC PSY 1010 - Pavlovian conditioning

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Psych 1010 1st Edition Lecture 11Outline of Last LectureI. Eliminative Reductionisma. recieveb. processc. transmitII. Behaviorisma. voluntary behavior; B.F. Skinnerb. involuntary behavior; Ivan PavlovOutline of Current Lecture I. Pavlovian ConditioningA. Unconditioned stimulus (UCS) B. Unconditioned response (UCR)C. Conditioned stimulus (CS)D. Conditioned response (CR)E. Example study II. Occurrencesa. Extinctionb. Generalizationc. DiscriminationCurrent LectureI. Pavlovian Conditioning : Ivan Pavlov first used these when he conditioned dogs to salivate at the sound of a bell and then food was presented. Even when food was not presented after the bell, the dogs still salivated because they were conditioned to have food after the bell. a. Unconditioned stimulus (UCS) - “unlearned stimulus” environmental event that atomically produces a specific response without any learning at all.b. Unconditioned response (UCR) - “unlearned response” The behavior automatically produced by the UCS. c. Conditioned stimulus (CS)“learned” stimulus. This is an initially neutral environmental event that comes to produce a behavior like the UCR by being paired with the UCS. d. Conditioned response (CR) - a behavior produced by the CS once learning has occurred.e. Example study: There is a psychological study where subjects look straight forward and there are two tubes that puff air in front of their eyes. There is a tone and then a puff of air blows in your eyes and then The UCS is the puff that makes the person blink. It is the environmental event that atomically produces a specific response without any learning at all. The experiment continues. There is a tone then a puff, and the the subject blinks. After a few times, there is a tone and no puff and the person still blinks! The unconditioned response UCR would be the blink because it is the behavior automatically produced by the UCS (the puff). The tone the sounds before the puff is the conditioned stimulus (CS) because it comes to produce the behavior (blink) when it is paired with theUCS The (puff). The conditioned response CR is the blink that the person does because isis the behavior that is produced once the learning occurs to blink after hearing a tone. II. Occurrencesa. Extinction: The graduate elimination of a learned response through removal of environmental controls of that response. Changes in the controls cause the conditioning to not work and the responses vary.b. Generalization: A process in which behaviors learned in one environment spreads to other similar environments. If a person fears their father, they might also fear a boss that resembles them because they are conditioned. The behaviors spread to other environments like the office. c. Discrimination: Learning to display different behaviors to different stimuli. the conditioning does not work to all stimuli like


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UTC PSY 1010 - Pavlovian conditioning

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