In the Human Brain, a Great Deal of Synaptic Pruning

question 12

Multiple Choice

In the human brain, a great deal of synaptic pruning occurs in the first few years of development. This pruning appears to be:

• A) An adaptive process that allows children to deal more efficiently with their environment
• B) Due to an imbalance of important nutrients, and especially to low levels of the B vitamins in many children's diets
• C) Reflective of the fact that the cortex is slowly taking over responsibility for functions that have previously been controlled by other parts of the brain
• D) The unfortunate result of insufficiently stimulating home and school environments

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Definitions:

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