The concept of 'cognitive reserve' has gained traction in neuroscience as a potential explanation for individual differences in resilience to age-related cognitive decline. This theory posits that engaging in intellectually stimulating activities throughout life, such as reading complex literature or acquiring new skills, builds a surplus of neural connections. This surplus allows some individuals to maintain normal cognitive function even when faced with brain pathology, such as Alzheimer's disease. Importantly, the reserve is not merely a static trait but a dynamic product of lifelong experiences. Consequently, interventions aimed at enhancing cognitive reserve in midlife may offer a promising, non-pharmacological strategy to delay the onset of dementia symptoms, though the precise mechanisms underlying this protective effect remain an area of active investigation.
❓ 지문에 따르면, 인지 예비력의 주요 기능은 무엇인가?
A. A. 알츠하이머병의 발병을 완전히 예방하기 위해.
B. B. 개인이 뇌 손상을 보상하고 정상적인 기능을 유지할 수 있도록 하기 위함.
C. C. 젊은 성인의 신경 처리 속도를 높이기 위해.
D. D. 치매에서 약물 치료의 필요성을 대체하기 위해.
✅ 正确答案
B. To enable individuals to compensate for brain damage and maintain normal functioning.
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