Brain Growth During Adolescence Appears to Be Influenced by the Hormonal

question 21

Multiple Choice

Brain growth during adolescence appears to be influenced by the hormonal changes of puberty.What effects do these hormonal changes seem to have?

• A)They affect the onset and offset of genes that influence cortisol levels.
• B)They flow over the brain,causing a general excitation of neurons.
• C)They cause an increase in blood flow to the brain.
• D)They lead to secondary dimorphism of brain structures.

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