By Age 4

question 17

Multiple Choice

By age 4,

• A) many parts of the cerebral cortex have overproduced synapses.
• B) synaptic pruning is fully completed.
• C) preschoolers show declines in attention and focus.
• D) the brain is nearly half of its adult size.

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Definitions:

Leaves Hospital

The process of being discharged and exiting a hospital following the completion of treatment.

Gets Angry

An emotional response characterized by feelings of displeasure or hostility.

Extravert

A personality trait characterized by outgoingness, high levels of sociability, and a preference for external stimulation.

Introvert

An individual who tends to be more focused on internal thoughts and feelings rather than seeking external stimulation.