IELTS Reading inference Practice
According to the passage, what defines a 'critical window' in brain development?
Question type: multiple choice · Difficulty: intermediate
- A. A period when the brain stops growing and begins to prune connections.
- B. A heightened period of sensitivity to environmental factors like nutrition.
- C. The time when a child learns to speak and walk.
- D. The life stage when hereditary factors have the most influence.
Explanation Preview
Paragraph B explains that a 'critical window' is a distinct period 'during which the brain undergoes explosive growth and is uniquely sensitive to its environment.' This directly corresponds to the idea of a heightened period of sensitivity.