Unit+V+Learning

This activity provides a review of Pavlov’s famous experiment on the salivary response in dogs, as well as the basic processes of classical conditioning: acquisition, generalization, discrimination training, and extinction.
 * PsychSim 5: CLASSICAL CONDITIONING **
 * Name: Veronica Andrade **
 * Section: 1 **
 * Date: 12/6/11 **

 In Pavlov’s famous experiment, what did he call the… o unconditioned stimulus (UCS)? Meat powder o unconditioned response (UCR)? Saliva flow o conditioned stimulus (CS)? The Bell o conditioned response (CR)? Saliva flow
 * Salivary Response **

 Pavlov demonstrated that the dog had formed a conditioned association between two events. What were those events? What did the dog actually learn? The dog associated the bell with the meat powder. He learned to salivate when he heard the bell ringing.
 * A New Salivary Response **

 In the example of a child who fears doctors, what label would you give to the painful injection?  _ UCS _ UCR _ CS _ CR  In the example of a child who fears doctors, what label would you give to the presence of the <span style="font-family: 'Times-Roman','sans-serif';">doctor? <span style="font-family: 'Times-Roman','sans-serif';">_ UCS _ UCR _ CS _ CR
 * <span style="font-family: 'Times-Bold','sans-serif';">Acquisition **

 <span style="font-family: 'Times-Roman','sans-serif';">How could we demonstrate that acquisition had occurred—that is, demonstrate that the child had learned the link <span style="font-family: 'Times-Bold','sans-serif';">between the doctor and the injection. <span style="font-family: 'times-bold','sans-serif';">- The child learned to fear the doctor only after having the shot. Before the shot, the doctor was just another adult, but after it, the doctor was someone who ‘hurt you’.
 * <span style="font-family: 'Times-Bold','sans-serif';">Demonstrating Acquisition **

 <span style="font-family: 'Times-Roman','sans-serif';">What is extinction? The unlearning of a conditioned response.  <span style="font-family: 'Times-Roman','sans-serif';">What is spontaneous recovery? When the conditioned response returns.
 * <span style="font-family: 'Times-Bold','sans-serif';">Extinction **

 <span style="font-family: 'Times-Roman','sans-serif';">What is generalization? When the CR is generalized to other stimuli that re similar to the original CS.
 * <span style="font-family: 'Times-Bold','sans-serif';">Generalization **

 <span style="font-family: 'Times-Roman','sans-serif';">What is discrimination? When the difference between the stimuli and will only show the CR in the presence of the actual CS.
 * <span style="font-family: 'Times-Bold','sans-serif';">Discrimination **

 <span style="font-family: 'Times-Roman','sans-serif';">What is the CR in this example? Eye blink  <span style="font-family: 'Times-Roman','sans-serif';">What is the CS in this example? The tone  <span style="font-family: 'Times-Roman','sans-serif';">What is the UCS in this example? The puff of air  <span style="font-family: 'Times-Roman','sans-serif';">What is the UCR in this example? Eye blink
 * <span style="font-family: 'Times-Bold','sans-serif';">Conditioning an Eye Blink **

 <span style="font-family: 'Times-Roman','sans-serif';">Why are we interested only in the blinks that occur before the puff of air? If she blinks before the puff of air, it means she’s conditioned to blink to the tone.
 * <span style="font-family: 'Times-Bold','sans-serif';">Experiment Simulation **

 <span style="font-family: 'Times-Roman','sans-serif';">How would you interpret these graphs? Did your subject show evidence of stimulus generalization, or stimulus discrimination, or both? For the first ten trials, she showed evidence of stimulus generalization, but after, during the final 10, she showed stimulus discrimination.
 * <span style="font-family: 'Times-Bold','sans-serif';">Discrimination Trials **


 * <span style="font-family: 'Times-Bold','sans-serif';">Extinction Trials **

 <span style="font-family: 'Times-Roman','sans-serif';">How would you interpret these results? Has the conditioned response been extinguished in your subject? What would happen if we continued immediately with more trials? What would happen if we brought her back to the laboratory tomorrow for more trials? It has been extinguished for now, and if you were to do more trials, she would not blink for most of them. I suspect that tomorrow she’ll have a spontaneous recovory because she’s rested.