Steven, a 6-year-old, can correctly name objects, catch a ball and throw it, and write his ABCs in proper sequence. His younger brother Harvey is much less speedy and skillful in all of these areas. What is the best explanation for Steven's superior performance?

Question

Quizplus · Accepted Answer

Myelination is the process in which nerve fibers are coated with a fatty substance called myelin, which allows for faster and more efficient transmission of signals between neurons. This process typically occurs at a faster rate in children who engage in activities that require motor skills, such as catching a ball and writing. Therefore, it is likely that Steven's superior performance in these areas is a result of greater myelination in his brain than his younger brother Harvey's.

Steven, a 6-Year-Old, Can Correctly Name Objects, Catch a Ball