Nervous System questions. 1-The “cerebral medulla” is composed of white matter.

Question

Nervous System questions.

1-The “cerebral medulla” is composed of white matter. What is white matter composed of? What is the difference between a nerve fiber and a nerve tract?

2-What are the functions of commissural fibers? Association fibers? Projection fibers? Why does the right brain control the left side of the body? Why is pain on the left side of the body sensed in the right brain?

3-An individual has a stroke that affects the right hemisphere of their brain resulting in a 98% loss of function. According to brain lateralization, what traits would we expect this individual to primarily possess? Why might a genius be defined as an individual that has equal “access’ to both hemispheres of their brain?

Explanation / Answer

Answer:

1-The “cerebral medulla” is composed of white matter. What is white matter composed of? What is the difference between a nerve fiber and a nerve tract?

2) What are the functions of commissural fibers? Association fibers? Projection fibers? Why does the right brain control the left side of the body? Why is pain on the left side of the body sensed in the right brain?

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