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Ans: Frontal Lobe

Explanation: " The fibers that carry information from the motor area of the frontal lobe of the brain are crossed fibbers. In other words, the fibers leave the motor area of the left frontal lobe, cross over and innervate the right side of the body. The fibers from the right frontal lobe also cross over and innervate the left side of the body. The crossing over of fibers is called DECUSSATION." - from "The Human Body in Health and Illness - Barbara Herlihy p175"

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Q: Decussation of most motor fibers occurs here?
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