Why would the cortex of highly intelligent children show a later thinning by the age of 19?
A. The whole brain shrinks in size, not just the cortex, to allow new connections to form.
B. Given that there is limited space within the skull, the thinning allows for growth in other areas of the brain, such as the medulla.
C. There is less learning at this time of life compared to early childhood, and therefore less need for neural connections.
D. Those neural connections that are unused may die off to make the cortex more efficient in its functions.
Answer: D
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Which statement concerning self-esteem is true? a. Adolescents' levels of self-esteem do not vary by context
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Which of the following statements reflects "circumstantial evidence" for the dopamine theory of schizophrenia?
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Explain how difference scores are used in a t test.
What will be an ideal response?