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 part of the eye controls the amount of light that gets in by contracting muscles around the pupil?
a. The cones b. The iris c. The cornea d. The retina
The average duration of intercourse reported by most people is approximately______ minutes
a. 5 c. 30 b. 15 d. 45
Which of the following is a symptom of vertigo?
a. Sense of spinning b. Sensorineural hearing loss c. Ear ringing and buzzing d. Poor sense of pitch
Parents seldom spend a lot of time explaining to their children how to ride a bicycle. Instead, they often get a bike with training wheels and let the children learn for themselves how to ride a bike
This is because our understanding about how to ride a bicycle is based on a. automatic thinking, which is difficult to describe to someone else. b. controlled thinking that can only be learned by experience. c. intuition, which is difficult to express in language that a child can understand. d. personal experience that is not likely to be believed by the child.