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 largely fixed, with neural circuits forming only during critical periods of childhood. However, research over the past two decades has demonstrated that the brain remains highly adaptable throughout life, constantly reorganizing its structure and function in response to experience. This plasticity is not uniform; it is most pronounced in regions involved in learning and memory, such as the hippocampus, but can also occur in sensory and motor cortices following injury or intensive training. Moreover, the extent of plasticity is influenced by factors such as age, genetics, and environmental enrichment. Understanding these constraints is crucial for developing effective rehabilitation strategies for neurological conditions, as it highlights both the potential and the limits of the brain's capacity for change.