The concept of neuroplasticity has revolutionized our understanding of the human brain. Historically, scientists believed that the adult brain was structurally fixed, with neural circuits established during childhood remaining immutable. However, recent research demonstrates that the brain retains a remarkable capacity for reorganization throughout life. This adaptability is driven by synaptic strengthening and the formation of new neural pathways in response to learning, experience, or injury. For instance, individuals who lose their sight often exhibit enhanced auditory or tactile processing, as the brain reallocates cortical resources to remaining senses. Such findings have profound implications for rehabilitation and education, suggesting that targeted training can harness plasticity to recover lost functions or optimize cognitive performance. Nevertheless, plasticity is not unlimited; its extent diminishes with age and is influenced by genetic and environmental factors. Thus, while the brain is far more malleable than previously assumed, interventions must be timely and appropriately designed to maximize their efficacy.
❓ According to the passage, which of the following statements accurately reflects the current understanding of neuroplasticity?
A. A. The adult brain is structurally fixed and cannot change after childhood.
B. B. Neuroplasticity allows the brain to reorganize but is constrained by factors such as age and genetics.
C. C. Blind individuals automatically develop superior hearing without any neural changes.
D. D. Rehabilitation efforts can fully restore any lost brain function regardless of timing.
✅ 正确答案
B. Neuroplasticity allows the brain to reorganize but is constrained by factors such as age and genetics.
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