The concept of neuroplasticity has revolutionized our understanding of the human brain. Previously, scientists believed that the adult brain was structurally fixed after a critical period in childhood. However, recent research demonstrates that the brain remains capable of substantial reorganization throughout life, adapting to new experiences, learning, and even injury. This adaptability is underpinned by synaptic strengthening and the formation of new neural pathways. For instance, individuals who lose their sight often exhibit heightened auditory or tactile processing, as brain regions originally dedicated to vision are recruited for other senses. While the mechanisms are complex, neuroplasticity offers promising avenues for rehabilitation after stroke or traumatic brain injury. Nevertheless, the extent of plasticity varies with age and is influenced by factors such as environmental enrichment and stress, highlighting that the brain's malleability is not unlimited but context-dependent.
❓ Según el pasaje, ¿cuál es la principal implicación de la neuroplasticidad para el tratamiento médico?
A. A. Demuestra que el daño cerebral siempre es reversible.
B. B. Sugiere que la rehabilitación después de una lesión cerebral puede mejorarse.
C. C. Indica que el cerebro adulto no puede cambiar después de la infancia.
D. D. Muestra que la pérdida sensorial mejora automáticamente otros sentidos.
✅ 正确答案
B. It suggests that rehabilitation after brain injury can be enhanced.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
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