The concept of neural plasticity, once a revolutionary idea in neuroscience, has now become a cornerstone of modern cognitive research. Contrary to the long-held belief that the adult brain is structurally fixed, studies have demonstrated that synaptic connections can be strengthened or weakened in response to experience. This adaptability is particularly pronounced during critical periods in childhood, but recent evidence suggests that learning and environmental enrichment can induce neurogenesis in the hippocampus even in adulthood. However, plasticity is not inherently beneficial; maladaptive plasticity can contribute to chronic pain or phantom limb syndrome. Thus, while the brain's capacity for change offers therapeutic potential for rehabilitation, it also underscores the need for carefully designed interventions that harness adaptive plasticity while mitigating its detrimental effects.
❓ What is the main point the author makes about neural plasticity?
A. A) Neural plasticity is a fixed process that only occurs during childhood.
B. B) Neural plasticity is always beneficial and should be encouraged.
C. C) Neural plasticity is a complex phenomenon with both positive and negative outcomes.
D. D) Neural plasticity has been proven to be irrelevant to adult learning.
✅ 正确答案
C) Neural plasticity is a complex phenomenon with both positive and negative outcomes.
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