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If we look into the skull at the front of the head, we will find the prefrontal area of the cerebrum (see figure 1). What does physiology tell us about the function of this area? A book entitled Essentials of Anatomy & Physiology says about this area, “The motivation and the foresight to plan and initiate movements occur in the anterior portion of the frontal lobes, the prefrontal area. This is a region of association cortex...” Also the book says, “In relation to its involvement in motivation, the prefrontal area is also thought to be the functional center for aggression....”

Figure 1: Functional regions of the left hemisphere of the cerebral cortex. The prefrontal area is located at the front of the cerebral cortex. (Essentials of Anatomy & Physiology, Seeley and others, p. 210.)

Prefrontal area of the cerebrum
Cerebrum_002

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