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, with neural circuits forming only during critical developmental windows. However, recent research demonstrates that the brain remains malleable throughout life, adapting in response to learning, experience, and even injury. This plasticity occurs at multiple levels, from synaptic strengthening to cortical reorganization. For instance, individuals who lose their sight often exhibit enhanced auditory or tactile processing, as the visual cortex is recruited for other sensory modalities. Such findings have profound implications for rehabilitation, education, and the treatment of neurological disorders, suggesting that targeted interventions can harness the brain's adaptive potential.
❓ この文章の主な考えは何ですか?
A. A. 成人の脳は、初期の発達後はほとんど変化しない。
B. B. 神経可塑性により、脳は生涯を通じて適応することが可能となり、その影響は大きい。
C. C. 感覚の喪失は、脳の機能を永続的に損なう。
D. D. 臨界発達期は神経形成の唯一の期間である。
✅ 正确答案
B. Neuroplasticity allows the brain to adapt throughout life, with significant implications.
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