The concept of neuroplasticity, once considered a fixed attribute of the developing brain, has been radically redefined by recent research. Traditionally, scientists believed that after a critical period in childhood, the brain's structure became immutable. However, studies using advanced imaging techniques have demonstrated that adult brains retain the capacity to reorganize neural pathways throughout life. This plasticity is not uniform; it is influenced by factors such as learning, environmental enrichment, and even injury. For instance, when one sensory modality is lost, the corresponding cortical areas may be recruited for other functions, a phenomenon observed in individuals with visual impairment who show enhanced auditory processing. Such findings challenge the deterministic view of brain development and open new avenues for therapeutic interventions in neurological disorders.
❓ According to the passage, what is the main implication of neuroplasticity in adults?
A. The adult brain is completely fixed and cannot change after childhood.
B. Adult brains can reorganize neural pathways, but this ability is uniform across all conditions.
C. The brain's plasticity in adulthood is limited and only occurs during critical periods.
D. Adult brains can adapt and change, which may inform treatments for brain-related conditions.
✅ 正确答案
Adult brains can adapt and change, which may inform treatments for brain-related conditions.
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