Electroconvulsive shock and learned helplessness in rats |
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| Authors: | C W Brett Thomas A Burling W B Pavlik |
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| Institution: | 1. Virginia Polytechnic Institute and State University, 24061, Blacksburg, Virginia
3. Department of Psychology, University of Georgia, 30602, Athens, Georgia
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| Abstract: | Three experiments evaluated the effects of a single electroconvulsive shock in alleviating the learned helplessness effect in rats. The experiments differed primarily in terms of the location of the ECS treatment in the experimental sequence of events. In Experiment 1, ECS was given following helplessness training and testing and was evaluated during a retesting phase; in Experiment 2, ECS was given either immediately after helplessness training or immediately before helplessness testing; and, in Experiment 3, ECS was given prior to helplessness training. In all three experiments, significant helplessness effects occurred for subjects not receiving ECS but were absent in subjects receiving ECS. The data were compared with expectations arising from both amnesia-inducing and biochemical-change interpretations of the effects of ECS. |
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