Classical Conditioing Fall 2008i

Classical Conditioing Fall 2008i - THE CONDITIONED REFLEX...

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09-03-08 1 THE CONDITIONED REFLEX What you should know Be able to identify conditioning components (UCS, UCR, CS, CR) in examples. Know the procedures for producing conditioned responses. Major properties of conditioning (acquisition, extinction, spontaneous recovery). Understand the necessary conditions for creating CRs. Applications
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10/23/11 2 1858 Freud born 1859 Darwin: Origin of Species 1865 Mendel’s Genetics 1879 First psychology laboratory at Leipzig 1890 William James’ Principles of psychology 1899 Pavlov and conditioned reflexes 1900 Freud: The interpretation of dreams 1903 1914 Watson: Psychology as the behaviorist views it SOME HISTORICAL BACKGROUND
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10/23/11 3 The capacity to learn ( modification of behavior through experience ) and adapt quickly was a major step in the evolution of life. There are species that exhibit complex behaviors that are not the product of learning (example: instinctual behaviors in insects). However, … . Evolution and Behavior In a fairly stable word, [behavior] could be as much a part of the genetic endowment of an individual as digestion, respiration, or any other biological function…. [however], the behavior functions well only under conditions fairly similar to those under which it was selected.” (B.F. Skinner, 1981).
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4 1.Methodological : Study observable behavior only. Careful observation, measurement, and inference. Watson (1914): "Psychology as the behaviorist views it is a purely objective experimental branch of natural science." 2. Radical Behaviorism : reject instinct, innate trait concepts. Emphasize environmental and experiential control of behavior. "Give me a dozen healthy infants . .. and my own specified world to bring them up in, and I'll guarantee to take any one at random and train him to become any type of specialist I might select . .. doctor, lawyer artist,. .. regardless of his talents, penchants, tendencies, abilities, vocations, and the race of his ancestors.“ We’re mostly “blank slates” at birth. But if most adult behavior is learned, what is the mechanism of learning ? BEHAVIORISM AND CONDITIONING
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This note was uploaded on 10/22/2011 for the course PSYC 100 at USC.

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Classical Conditioing Fall 2008i - THE CONDITIONED REFLEX...

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