雅思阅读

📖 Reading Passage

The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Historically, scientists believed that the adult brain was largely fixed, with neural circuits becoming immutable after a critical period in childhood. However, recent research demonstrates that the brain retains a remarkable capacity for reorganization throughout life. This adaptability is driven by synaptic strengthening, the formation of new neural pathways, and, in some regions, the generation of new neurons. Neuroplasticity is not merely a passive response to injury; it is fundamental to learning, memory, and even recovery from stroke. Studies show that engaging in novel, cognitively demanding activities can enhance plasticity, while chronic stress or sensory deprivation can suppress it. This has profound implications for education and rehabilitation, suggesting that targeted interventions can harness the brain's malleability to improve outcomes in both healthy aging and neurological disorders.