10-26-09 - Psychology 152 Class Notes Hillary Ashley McKay...

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Psychology 152 – Class Notes – 10/26/09 Hillary Ashley McKay Charlie Nick Take Home Exam he will give us a problem - take everything we have learned use any source solve the problem Worth less than a regular exam Problems are very easy, but the problem was never presented in this way before Discriminative Escape and Discriminative Avoidance Discriminative – an SD shows up and is reliably correlated with escape or avoidance. Escape A response that removes the aversive stimuli escape describes a response that occurs in the presence of an existing aversive stimuli Avoidance A response that prevents the aversive stimuli from occurring. This would be like pressing a lever when the light comes on in order to avoid the aversive stimuli. COGNITIVE PERSPECTIVE : the rat is trying to prevent the aversive stimuli Organism will try to escape and avoid the aversive stimuli Negative reinforcement This is how people are controlled escape and aversive stimuli or response EXAMPLES: * Whatever the organism does to terminate the aversive response ESCAPE CONTACT IS REQUIRED. * When the organism does something that stops the aversive response from occurring (before
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10-26-09 - Psychology 152 Class Notes Hillary Ashley McKay...

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