The concept of 'neuroplasticity' has revolutionized our understanding of the human brain. Previously, it was believed that the adult brain was largely fixed in its structure and function after a critical period in childhood. However, recent research demonstrates that the brain remains capable of significant reorganization throughout life, adapting to new experiences, learning, and even injury. This plasticity occurs at multiple levels, from synaptic connections between neurons to entire cortical maps. For instance, individuals who lose their sight often exhibit enhanced auditory or tactile processing, as the visual cortex is recruited for other sensory modalities. Furthermore, neuroplasticity underpins the effectiveness of rehabilitation after stroke, where targeted therapy can help reroute functions to undamaged brain regions. This dynamic view challenges the old paradigm and holds profound implications for education, mental health treatment, and cognitive enhancement.
❓ Según el pasaje, ¿cuál de las siguientes afirmaciones refleja mejor la idea principal?
A. A) El cerebro adulto está estructuralmente fijo y no puede cambiar después de la infancia.
B. B) La neuroplasticidad permite al cerebro adaptarse, aprender y recuperarse mediante la reorganización de su estructura y función.
C. C) La pérdida de la vista conduce inevitablemente a una mejora del oído y del tacto en todos los individuos.
D. D) La rehabilitación después de un accidente cerebrovascular es ineficaz porque el cerebro no puede redirigir las funciones.
✅ 正确答案
B) Neuroplasticity allows the brain to adapt, learn, and recover by reorganizing its structure and function.
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