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Classical Conditioning

Classical Conditioning

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Classical Conditioning

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  1. Classical Conditioning Ivan Pavlov

  2. Ivan Pavlov’s Failure • Early 19 hundreds • No restrictions on the type of research you could do. (PETA, IRB,…) • Dog’s digestive track. • Tube inserted into the dog’s stomach • Given food, then saliva collected in a jar • Timed the processing from start to finish. • Complete Failure • Dog’s would salivate all the time.

  3. Ivan Pavlov’s Background • Classically Educated Scientist • Philosophy of Aristotle • Learn through similarities • Learn through differentiation • Learn through contiguity • One object is associated with another • No logical relationship • Objects are just PAIRED together.

  4. Classical Conditioning • Theoretical Model (Static) • Stimulus Response • Causal relationship between events • Cookies baking smell hunger pangs • Stimuli • Cause of the response • Types of Stimulus • Unconditioned Stimulus (US) • Natural cause of the response • Conditioned Stimulus (CS) • Unnatural cause of the response • Neutral Stimulus (NS) • Causes nothing

  5. Classical Conditioning • Responses • Natural reaction to stimulus • Characteristics of C.C. responses • Involuntary • Physiological • Reflex • Types of Responses • Unconditioned Response (UR) • Natural reaction to a stimulus • Conditioned Response (CR) • Unnatural reaction to a stimulus

  6. Classical Conditioning • Theoretical Model (Dynamic) • Stage 1: US UR Meat Saliva • Stage 2: USNSUR Meat Bell Saliva • Stage 3: CSCR Bell Saliva

  7. Classical Conditioning • Methods for Associating • Repetition • Meat & Bell, over and over again • Profound Experience • Usually a trauma • Near death experience • “Our Song”

  8. Classical Conditioning • Features of Classical Conditioning • Generalization • Stimulus is close enough to CS that it causes a CR. • Glass clinking causes dogs to salivate • Discrimination • Stimulus is different enough from CS that it doesn’t cause a CR. • Key chain does not cause dogs to salivate • Extinction • Continued presentation of the CS without the US