Describe two changes in the brain that explain why Jamil, a 6-year-old, can listen attentively during library story hour and participate in the craft activity that follows it, but his 3-year-old sister,
Anna, is more interested in walking around and exploring various sections of the library.
What will be an ideal response?
Answer: Growth of the frontal lobe allows Jamil to plan and organize, skills that will help him make an art project. The reticular formation is experiencing rapid myelination, which leads to an increase in attention span. This explains why Jamil can focus on the story, whereas Anna moves from one stimulus to another.
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Which of the following statements about the brain is FALSE?
a. It weighs about 3 pounds. b. It contains billions of neurons. c. It is composed of nerve tissues. d. It can be subdivided on the basis of structure, but not function.
The "self-fulfilling prophecy" is the reason that many people
a. love doomsday predictions. b. make a prophecy that they will fail their exams. c. create a prophecy that they will succeed on their exams. d. act in ways to make predictions of their own behavior or others' come true.