雅思阅读

📖 Reading Passage

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.