Johann Lives in a Family with Five Siblings

question 63

Multiple Choice

Johann lives in a family with five siblings.There is always a lot of activity and interaction between the children and parents.There are many brightly colored toys and things to play with.Suzanne's family can't afford many toys at all,and she has only old hand-me-downs to play with,most of which are broken.Which of the following best describes a likely difference in brain development between Johann and Suzanne?

• A)The "use it or lose it" idea would indicate that,since Johann is in a more stimulating environment than Suzanne,his brain will have a denser network of neurons and synapses.
• B)Johann's neurons will myelinate more quickly and completely than Suzanne's.
• C)Since Johann and Suzanne are both under two years of age,the differences in environment will have little impact.
• D)The principle of synaptic pruning says that since Johann is in a more stimulating environment than Suzanne,his brain will have a smaller number of synapses.

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Refined Sugar

Sugar that has been processed from its natural state to remove impurities and achieve a higher level of purity.

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