Lectures Exam 3

Lectures Exam 3 - I. Learning A. Change in the organisms...

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I. Learning A. Change in the organisms behavior resulting from past experience Stimulus- An event or object that stimulates behavior Response - Reaction to stimulus behavior II. Classical Conditioning A. A form of learning in which an neutral stimulus is associated with a meaningful stimulus conditioned behavior B. Ivan Pavolv(1849-1936) C. Basic Procedure in classical conditioning 1. Unconditioned Stimulus(UCS): Stimulus that produces an automatic or unconditioned response 2. Unconditioned Response(UCR): Unlearned response UCS(food) UCR(salivation) 3. Conditioned Stimulus(CS): Neutral stimulus that is paired with the UCS. CS(Bell) + UCS(food) UCR(salivation) 4. Conditioned Response(CR): Learned response to a CS alone CS(bell) CR(salivation) 5. Note: Unconditioned Unlearned Conditioned Learned 6. John Garcia D. Major Conditioning Process 1. Acquisition- Initial step strengthening and establishing a response 2. Extinction- Gradual fading of a response when CS is not followed by UCS after many trials a. Bell(CS) No Salivation b. Spontaneous Recovery: Reappearance, after a certain period, of an extinguished response
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Generalization - Tendency to respond to stimuli that are similar to the CS Discrimination- Ability to distinguish a behavior a CS + another similar stimulus E. Classical Behaviorism (John B Watson) Conditioned Emotional Response- Classical conditioning of emotional behavior 3. Watson and Rayner CCR in infants(Little Albert B) a. UCS Loud noise(strike hammer on a steel bar) b. b.UCR Fear c.CS White Rat(Neutral Stimulus) d.CR fear(of rat not loud noise) 4. All emotional responses are conditioned by the environment Operant Conditioning- Behavior is strengthened or weakened depending on the consequences that follow it B.F. Skinner(1904-1990)- best known living psychologist of his era. Reinforcement is more
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This note was uploaded on 04/02/2008 for the course PSYC 1001 taught by Professor King,brett during the Fall '08 term at Colorado.

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Lectures Exam 3 - I. Learning A. Change in the organisms...

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