The concept of 'neuroplasticity' has revolutionized our understanding of the brain's capacity for change. Historically, it was believed that the adult brain was largely fixed, with neural circuits becoming immutable after a critical period in childhood. However, recent research demonstrates that the brain remains highly adaptable throughout life, capable of reorganizing its structure and function in response to experience, injury, or learning. This plasticity occurs at multiple levels, from synaptic strengthening to large-scale cortical remapping. For instance, individuals who lose their sight often exhibit enhanced tactile and auditory processing, as the visual cortex is recruited for other sensory modalities. Such findings have profound implications for rehabilitation, education, and the treatment of neurological disorders. Nevertheless, plasticity is not unlimited; it diminishes with age and is influenced by genetic and environmental factors. Understanding these constraints is crucial for developing effective therapeutic interventions.
❓ According to the passage, which of the following statements is true regarding neuroplasticity?
A. A. The adult brain is completely fixed and cannot change after childhood.
B. B. Neuroplasticity occurs only in the visual cortex of the brain.
C. C. Brain plasticity allows for reorganization in response to experiences or injuries, but it has limitations.
D. D. Plasticity is unlimited and unaffected by age or genetic factors.
✅ 正确答案
C. Brain plasticity allows for reorganization in response to experiences or injuries, but it has limitations.
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