The concept of neuroplasticity has revolutionized our understanding of the human brain. Traditionally, scientists believed that the brain's structure was fixed after a critical period in childhood. However, recent research demonstrates that the brain remains capable of reorganizing itself throughout life, forming new neural connections in response to learning, experience, or injury. This adaptability is not uniform across all regions; the hippocampus, for instance, exhibits significant plasticity in adulthood, facilitating memory formation. Conversely, certain sensory cortices show limited plasticity after maturation. Such findings have profound implications for rehabilitation, suggesting that targeted therapies could harness plasticity to restore functions lost due to stroke or trauma. Yet, the mechanisms underlying plasticity are complex, involving molecular cascades and synaptic strengthening, which are not yet fully understood.
❓ According to the passage, what is a key finding about neuroplasticity?
A. A) The brain's structure is permanently fixed after childhood.
B. B) Neuroplasticity occurs uniformly across all brain regions in adulthood.
C. C) The brain can reorganize itself throughout life, but not equally in all areas.
D. D) Sensory cortices show the highest level of plasticity in adults.
✅ 正确答案
C) The brain can reorganize itself throughout life, but not equally in all areas.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first