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Classical Conditioning

Classical Conditioning. http://www.youtube.com/watch?v=5Kod1q39ddE. Contributors to Classical Conditioning: Watson and Pavlov. Little Albert. Pavlov. The Office. CS. UCS. UCR. CR. “End Result”. John Watson. 1878-1958 Little Albert Experiments Trained baby to fear white rats.

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Classical Conditioning

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  1. Classical Conditioning

  2. http://www.youtube.com/watch?v=5Kod1q39ddE

  3. Contributors to Classical Conditioning: Watson and Pavlov

  4. Little Albert Pavlov The Office CS UCS UCR CR “End Result”

  5. John Watson • 1878-1958 • Little Albert Experiments • Trained baby to fear white rats. • Caused Albert to be afraid of anything little, white and furry. Even scarves and Santa Claus!

  6. Little Albert • Child scared of a rat because of loud noise… • Later the child is scared of the rat even without the noise • Classical Stimulus (CS) = Rat

  7. Ivan Pavlov

  8. Pavlov and Classical Conditioning • 1849-1936 • Russian scientist • Studied salivation patterns in dogs. • Found association patterns between stimuli and food anticipation. • http://www.youtube.com/watch?v=hhqumfpxuzI

  9. Pavlov in Action

  10. Little Albert Pavlov The Office Computer Restart “Ding” Bell CS Rat UCS UCR CR “End Result”

  11. Classical Conditioning • Classical Conditioning: An association between 2 paired stimuli. conditioned stimulus + unconditioned stimulus = conditioned response CS+ UCS=CR

  12. Definitions • Conditioned Stimulus (CS) • Starts as a NEUTRAL stimulus • (something a person has no reaction to.) • BECOMES Conditioned Stimulus when paired with Unconditioned Stimulus (UCS)(something you automatically react to.) • Examples: Bell, light, words, hand gestures

  13. Definitions • Unconditioned Stimulus (UCS) • Anything that causes an automatic reaction. • Unconditioned Response (UCR) • The automatic response to the UCS. • Example:

  14. Little Albert Pavlov The Office Computer Restart “Ding” Bell CS Rat + Food Mint ? ? Clanging Sound ? UCS Startled Drool Salivate UCR Baby is scared of rats = CR Dog Drools at bell Dwight salivates at reboot

  15. Sour Patch Kids UCS= UCR= Sour Patch Kids salivation

  16. Dr. Test • UCS= hit • UCR= ? • Knee jerk

  17. Definition • Conditioned Response (CR) • Response which occurs after the pairing of the CS and the UCS. • End result.

  18. Magic formula CS+ UCS= CR Conditioned stimulus + unconditioned stimulus = conditioned response

  19. Steps for successful pairing • Pair neutral stimulus (CS) with unconditioned stimulus (UCS). Bell + dog food -THIS will get the dog to automatically drool when bell rings.

  20. Keep in mind • UCS (dog food) will elicit an automatic response (UCR) which is drooling. =

  21. Therefore • The dog will associate the bell ring with the presentation of dog food (UCS) and automatically drool (CR). =

  22. You Try • Take 2 minutes, work by yourself or with a partner, to come up with your own example of Classical Conditioning in action. • Consider: • which of your actions are trained? • What do people automatically react to/do in certain situations.

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