雅思阅读

📖 Reading Passage

The concept of 'neuroplasticity' has revolutionized our understanding of the brain's capacity for change. Historically, the adult brain was considered a static organ, with its structure largely fixed after a critical period in childhood. However, recent research demonstrates that the brain remains highly adaptable throughout life, constantly reorganizing its neural pathways in response to experience, learning, and even injury. This plasticity occurs at multiple levels, from synaptic strengthening between individual neurons to large-scale cortical remapping. For instance, in individuals who lose their sight, the visual cortex may be recruited to process auditory or tactile information, enhancing their remaining senses. This adaptive ability has profound implications for rehabilitation after stroke or traumatic brain injury, suggesting that targeted therapies can promote functional recovery by harnessing the brain's intrinsic malleability, rather than merely compensating for damage.