The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Historically, scientists believed that the brain's structure was fixed after a critical period in childhood. However, recent research demonstrates that the brain remains malleable throughout life, adapting to new experiences, learning, and even injury. This adaptability occurs at multiple levels, from synaptic connections between neurons to larger-scale cortical reorganization. For instance, individuals who lose their sight often show enhanced auditory or tactile processing, as the visual cortex is recruited for other sensory modalities. While this plasticity offers hope for rehabilitation after stroke or trauma, it also has a downside: maladaptive plasticity can contribute to chronic pain or phantom limb sensations. Thus, the brain's capacity for change is a double-edged sword, presenting both opportunities and challenges for therapeutic interventions.
❓ According to the passage, what is a potential negative consequence of neuroplasticity?
A. A. It prevents recovery after brain injury.
B. B. It can lead to conditions like chronic pain.
C. C. It only occurs during childhood.
D. D. It reduces sensory processing abilities.
✅ 正确答案
B. It can lead to conditions like chronic pain.
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