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Stress and Coping

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Western University
Psychology 2035A/B
Doug Hazlewood

Lecture 9 Stress and Coping The Role of Perceived Control Prologue what is perceived control 1 Control deprivation in animals 2 Learned helplessness in people 3 Reactions to illness 4 Controlling our thoughtsPerceived Control y An expected responseoutcome contingency If you do X you will achieve outcome Y y Q is perceived control importantPart 1 Control deprivation in animal y In 1964 University of Pennsylvania y Case 1 Dogs in a shuttle box box separated by a barrier o Dog in one sidelight comes on with shock o Dog can escape the shock by jumping over the barrier o Repeated o Eventually dog learns the contingency y Case 2 dog is incapable of escaping and learning the contingency o Both dogs were placed in harness previously o First dog had learned that moving head prevented the shockLearned contingency between action and outcome in harness applied to the shuttle box o Second dog did not learn in the harnessDidnt learn the contingency in the shuttle box o Prior exposure to uncontrollable shocks in harnesslearned helplessnessy Additional findings o Learned helplessness in a wide variety of animals o Helplessness generalizes to new situationsEg if dog learns it cant control shocks it later has difficulty learning that it can control whether it gets food
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