The concept of neuroplasticity, once a contentious hypothesis, has now become a cornerstone of modern neuroscience. Historically, the adult brain was considered a structurally static organ, with neural circuits fixed after a critical period in childhood. However, research over the past two decades has demonstrated that the brain retains a remarkable capacity for reorganization throughout life, adapting to sensory input, learning, and even injury. This adaptive ability is not unlimited; it is modulated by factors such as age, the intensity of stimulation, and the availability of neurotrophic factors. Moreover, neuroplastic changes can be both beneficial and maladaptive, as seen in chronic pain where aberrant rewiring amplifies pain signals. Understanding these mechanisms holds profound implications for rehabilitation after stroke, the treatment of psychiatric disorders, and the design of educational strategies that leverage the brain's inherent flexibility.
❓ 지문에 따르면, 신경가소성에 관한 다음 설명 중 옳은 것은 무엇인가?
A. A) 성인의 뇌는 완전히 고정되어 있으며 아동기 이후에는 변화할 수 없다.
B. B) 신경가소성은 모든 개인에게 동일하게 발생하는 무한한 과정이다.
C. C) 신경가소성 변화는 때때로 만성 통증과 같은 부정적인 결과를 초래할 수 있다.
D. D) 신경가소성을 제한하는 주요 요인은 감각 입력의 가용성이다.
✅ 正确答案
C) Neuroplastic changes can sometimes have negative consequences, such as in chronic pain.
IELTS Reading Tips
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