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Brain Development Over Time

Use the slider to explore brain development from ages 5 to 21.

Side Brain at age 5 Side Brain at age 10 Side Brain at age 15 Side Brain at age 20 Side Brain at age 25
Brain at age 5 Brain at age 10 Brain at age 15 Brain at age 20 Brain at age 25

Age: 5 years

Mature regions
Immature regions

Test Your Knowledge

1. At what age does your brain fully mature?


2. What region of your brain is arguably most important for managing behaviour?


3. At what age does your frontal lobe fully mature?


4. What consequences might this have for the education of teenagers and young adults?