The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Contrary to the long-held belief that the adult brain is structurally fixed, research now shows that it remains highly adaptable throughout life. This adaptability is driven by synaptic strengthening and the formation of new neural pathways 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 cortical resources. However, plasticity is not inherently beneficial; maladaptive plasticity can lead to chronic pain or phantom limb sensations. Understanding the mechanisms that govern this balance is crucial for developing therapeutic interventions for neurological disorders, yet many questions remain unanswered, particularly regarding the limits of plasticity in aging brains.
❓ Según el pasaje, ¿cuál de las siguientes afirmaciones es VERDADERA sobre la neuroplasticidad?
A. A. Solo ocurre en el cerebro en desarrollo de los niños.
B. B. Siempre conduce a resultados positivos para el individuo.
C. C. Puede implicar cambios en la forma en que el cerebro procesa la información sensorial.
D. D. Sus mecanismos son completamente comprendidos por los científicos hoy en día.
✅ 正确答案
C. It can involve changes in how the brain processes sensory information.
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
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first