The concept of 'neuroplasticity' has revolutionized our understanding of the brain's capacity for change. Historically, it was believed that the adult brain was relatively fixed after a critical period in childhood. However, recent research demonstrates that neural pathways can be remodeled throughout life in response to learning, experience, and even injury. This adaptability is underpinned by mechanisms such as synaptic strengthening and the generation of new neurons in the hippocampus. Neuroplasticity has significant implications for rehabilitation after stroke, as well as for educational practices that leverage the brain's malleability. Yet, the extent of plasticity varies with age and is influenced by factors like stress and environmental enrichment. Understanding these constraints is crucial for developing effective therapeutic interventions.
❓ 根据文章内容,神经可塑性的一个关键含义是什么?
A. 成年人的大脑在童年之后完全无法改变。
B. 中风康复可受益于大脑自我重组的能力。
C. 神经可塑性在所有年龄和条件下都是一致的。
D. 新神经元的生成仅发生在 cerebral cortex(大脑皮层)中。
✅ 正确答案
Stroke rehabilitation can benefit from the brain's ability to reorganize itself.