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Questions	Answers
When does grey matter in the prefrontal cortex increase?	Just before puberty
The peak of grey matter growth is at what age for boys?	12 years old
What do scientists think is more important in brain development during puberty?	pruning
Pruning in the brain is like pruning a tree to make the branches fewer but thinker and stronger.	True
Teenagers use the same part of their brain as adults when looking at the pictures in a research study.	False
Adolescence is the period of huge and surprising physical change in the __________.	brain
What part of the brain is linked to gut reaction and raw emotion?	amygdala