The concept of neuroplasticity has revolutionized our understanding of the human brain. Traditionally, scientists believed that the brain's structure was fixed after a critical period in childhood. However, recent research demonstrates that the brain remains malleable throughout life, adapting to new experiences, learning, and even injury. This adaptability occurs at multiple levels, from synaptic connections to entire cortical maps. For instance, when a person loses their vision, the occipital cortex, typically responsible for visual processing, can be recruited for auditory or tactile tasks. This reorganization highlights the brain's remarkable capacity for functional compensation. Nevertheless, neuroplasticity is not unlimited; it is influenced by factors such as age, the intensity of training, and the nature of the stimulus. Understanding these constraints is crucial for developing effective rehabilitation strategies for stroke victims or individuals with traumatic brain injuries. Ultimately, the study of neuroplasticity underscores the dynamic interplay between genetic predispositions and environmental influences in shaping cognitive abilities.
❓ According to the passage, which of the following statements about neuroplasticity is TRUE?
A. A) The brain's structure becomes completely rigid after childhood.
B. B) Neuroplasticity allows the brain to adapt but has certain limitations.
C. C) Visual loss leads to permanent inactivity of the occipital cortex.
D. D) Neuroplasticity is solely determined by genetic factors.
✅ 正确答案
B) Neuroplasticity allows the brain to adapt but has certain 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