Ivan Pavlov

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Ivan Pavlovs Classical Conditioning Experiment
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• Unconditioned Response (UR) - An unlearned
  response to an unconditioned stimulus
• Unconditioned Stimulus (US) A stimulus that
  triggers an unconditioned response

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• Conditioned Stimulus (CS) a neutral stimulus
  that comes to evoke a classically conditioned
  response
• Conditioned Response (CR) a learned response to
  a classically conditioned stimulus

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• Acquisition formation of a learned response to
  a stimulus through the presentation of an
  unconditioned stimulus
• Extinction the elimination of a learned
  response by removal of the unconditioned stimulus
• Spontaneous Recovery the reemergence of an
  extinguished conditioned response after a rest
  period
• Stimulus generalization the tendency to respond
  to a stimulus that is similar to the conditioned
  stimulus
• Discrimination the ability to distinguish
  between different stimuli