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 becoming immutable after a critical period in childhood. However, recent research demonstrates that the brain retains a remarkable capacity for reorganization throughout life. This adaptability is driven by synaptic strengthening, the formation of new neural connections, and even the generation of neurons in specific regions like the hippocampus. Such changes are most pronounced in response to learning, environmental enrichment, and recovery from injury. For instance, individuals who lose their sight often show enhanced tactile and auditory processing, as the visual cortex is recruited for other sensory modalities. While the extent of plasticity diminishes with age, it never ceases entirely. This finding has profound implications for rehabilitation and education, suggesting that targeted interventions can harness the brain's inherent flexibility to improve cognitive function and motor skills.
❓ Theo đoạn văn, phát biểu nào sau đây phản ánh đúng nhất sự hiểu biết hiện nay về tính dẻo thần kinh?
A. Bộ não người trưởng thành gần như không thể thay đổi sau thời thơ ấu.
B. Tính dẻo thần kinh chỉ xảy ra khi đáp ứng với chấn thương não nghiêm trọng.
C. Não bộ có thể tự tái tổ chức trong suốt cuộc đời, mặc dù khả năng này có thể suy giảm theo tuổi tác.
D. Hoạt động của vỏ não thị giác được cố định vĩnh viễn và không thể bị thay đổi bởi sự mất mát cảm giác.
✅ 正确答案
The brain can reorganize itself throughout life, although the capacity may decline with age.
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