雅思阅读

📖 Reading Passage

The concept of neuroplasticity has revolutionized our understanding of the human brain. Previously, scientists believed that the adult brain was fixed and immutable after a critical period in childhood. However, recent research demonstrates that the brain remains capable of reorganizing its structure and function throughout life in response to experience, learning, and even injury. This adaptability is underpinned by mechanisms such as synaptic strengthening, the formation of new neural connections, and, in certain regions like the hippocampus, the generation of new neurons. Neuroplasticity has significant implications for rehabilitation after stroke, where targeted therapies can promote functional recovery by encouraging the brain to reroute functions from damaged areas to healthy ones. Moreover, it challenges traditional educational practices, suggesting that lifelong learning is not merely an academic ideal but a biological reality. Nevertheless, the extent of plasticity varies with age, and certain types of learning become more difficult as we grow older, highlighting the importance of early intervention in developmental disorders.