The concept of neuroplasticity has revolutionized our understanding of the human brain. Traditionally, scientists believed that the brain's structure was fixed after a critical period in childhood. However, recent research demonstrates that the adult brain retains the ability to reorganize itself by forming new neural connections throughout life. This adaptability is most pronounced in response to learning, experience, or injury. For instance, individuals who lose their sight often exhibit enhanced auditory or tactile processing, as the brain reallocates resources from the visual cortex to other sensory areas. While neuroplasticity offers hope for rehabilitation after stroke or trauma, its extent varies with age, genetics, and the nature of the stimulus. Some scholars caution that the brain's flexibility is not limitless, and that maladaptive plasticity can lead to chronic pain or phantom limb syndrome. Nevertheless, the discovery of neuroplasticity has shifted therapeutic approaches from merely compensating for deficits to actively harnessing the brain's capacity for change.
❓ Согласно тексту, какое из следующих утверждений лучше всего отражает современную научную точку зрения на нейропластичность?
A. Взрослый мозг полностью фиксирован и не может адаптироваться после детства.
B. Нейропластичность всегда полезна и не имеет негативных последствий.
C. Мозг способен к самореорганизации, однако эта способность ограничена различными факторами.
D. Потеря одного из органов чувств автоматически приводит к усилению способностей всех остальных чувств.
✅ 正确答案
The brain can reorganize itself, but this ability is constrained by various factors.
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