The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Historically, scientists believed that the adult brain was largely fixed in its structure and function after a critical period in childhood. However, recent research demonstrates that the brain retains the remarkable ability to reorganize itself throughout life. This adaptability occurs at multiple levels, from cellular changes in synaptic strength to large-scale cortical remapping. For instance, in individuals who lose their sight, the visual cortex can be recruited to process auditory or tactile information, enhancing their remaining senses. This finding has profound implications for rehabilitation after brain injury, suggesting that targeted therapies could harness plasticity to promote recovery. Nevertheless, plasticity is not inherently beneficial; it can also lead to maladaptive changes, such as chronic pain or phantom limb sensations, highlighting the need for nuanced therapeutic approaches.
❓ According to the passage, what is a key implication of neuroplasticity for rehabilitation?
A. The adult brain is completely rigid and cannot change after childhood.
B. The brain's ability to reorganize is always beneficial, leading to improved sensory functions.
C. Targeted therapies could potentially exploit the brain's adaptability to aid recovery from injuries.
D. Loss of sight automatically results in enhanced hearing without any training.
✅ 正确答案
Targeted therapies could potentially exploit the brain's adaptability to aid recovery from injuries.
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