Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 40, Problem 13TYK

Discuss Concepts In the 1930s and 1940s, prefrontal lobotomy, in which neural connections in the frontal lobes of both cerebral hemispheres were severed, was used to treat behavioral conditions such as extreme anxiety and rebellious- ness. Although the procedure calmed patients, it had side effects such as apathy and a seriously disrupted personality. In view of the information presented in this chapter, why do you think the operation had these effects?

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The den network of fibers that connect the two hemispheres is called the corpus Callosum. Much of what we know about the difference between the left and right hemispheres came from the study of patients with a severe form of epilepsy. To help control the number, duration, and intensity of the epileptic seizures, The corpus callosum was cut. By studying these individuals, Roger Sperry and others learned that the two hemispheres are specialized for different types of task and different modes of thought. Which hemisphere and most people would be better at putting together a puzzle? A. Neither- this is better controlled by the cerebellum B. Both are equally good at this task C. Left D. Right
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