The concept of neuroplasticity has revolutionized our understanding of the human brain. Historically, scientists believed that the adult brain was relatively fixed in structure and function after a critical period in childhood. However, recent research demonstrates that the brain retains a remarkable capacity for reorganization throughout life. This adaptability occurs at multiple levels, from synaptic strengthening to cortical remapping, allowing individuals to acquire new skills or recover from injuries. For instance, studies on London taxi drivers revealed enlarged hippocampi, a region associated with spatial navigation, correlating with years of navigational experience. Similarly, stroke patients often regain lost functions through targeted rehabilitation, as undamaged brain areas assume new roles. Neuroplasticity is not unlimited, though; its extent depends on factors such as age, intensity of training, and the nature of the stimulus. Understanding these constraints is crucial for developing effective therapeutic interventions and educational strategies.
❓ Según el pasaje, ¿cuál de las siguientes opciones ilustra mejor la neuroplasticidad?
A. A. El cerebro permanece sin cambios después de la infancia.
B. B. Los taxistas de Londres no muestran diferencias en la estructura cerebral.
C. C. Los pacientes con accidente cerebrovascular pueden recuperar funciones a medida que otras regiones del cerebro asumen sus funciones.
D. D. La neuroplasticidad es un proceso ilimitado independientemente de la edad.
✅ 正确答案
C. Stroke patients can recover functions as other brain regions take over.
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