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The Brain: Teaching Modules

Stress: Locus of Control and Predictability

The classic rat experiment described by Dr. Jay Weiss of Rockefeller University, New York, is presented in this module. Two rats are connected to a stressor — an electric shock to the tail. One rat is able to turn off the stimulus by turning a wheel, while the other receives the stress stimulus regardless of what it does. The rat with more control is shown to suffer fewer deleterious health consequences.

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