Brain development (maturation & critical periods)
The role of brain maturation in human development. The extent to which critical periods explain human development. The role of neuroplasticity in human de…
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📊Exam Insight
How this topic is distributed across past papers — data that shows what matters.
How often is this tested?
Tested 10 times in the last 7 years — 3.5% of all P2 past-paper questions (10 of 288).
Most often tested as Essay: Discuss (22 marks).
Based on OwlsPrep's analysis of official CIE IB_PSYCH past papers (2019–2025).
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