The concept of neuroplasticity has revolutionized our understanding of the human brain. Traditionally, 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, constantly reorganizing its neural pathways in response to experience. This adaptability is particularly evident in individuals who have suffered brain injuries; healthy regions can assume functions previously performed by damaged areas. Moreover, neuroplasticity underlies learning and memory, as synaptic connections are strengthened or pruned based on activity. While this capacity offers hope for rehabilitation, it also implies that negative experiences, such as chronic stress, can reshape the brain in detrimental ways, leading to anxiety or depression. Thus, neuroplasticity is a double-edged sword, highlighting the profound impact of environment and behavior on neural architecture.
❓ 지문에 따르면, 다음 중 어느 진술이 주요 아이디어를 가장 잘 반영하는가?
A. A) 뇌의 구조는 어린 시절 이후 고정되어 있으며 변화할 수 없다.
B. B) 신경가소성은 뇌가 긍정적으로 적응할 수 있게 하지만 부정적인 변화를 초래할 수도 있다.
C. C) 뇌 손상은 신경가소성을 통해 항상 완전히 회복된다.
D. D) 만성 스트레스는 뇌의 신경 경로에 아무런 영향을 미치지 않는다.
✅ 正确答案
B) Neuroplasticity allows the brain to adapt positively but can also lead to negative changes.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
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