Recent studies in cognitive psychology have revealed that the human brain's capacity for multitasking is largely illusory. While individuals often believe they can efficiently handle multiple tasks simultaneously, research indicates that what actually occurs is rapid task-switching, which incurs a cognitive cost known as 'switch cost.' This cost manifests as reduced accuracy and increased reaction time when shifting attention between tasks. Furthermore, neuroimaging data show that the prefrontal cortex, responsible for executive control, is heavily taxed during such switching, leading to quicker mental fatigue. These findings challenge the modern workplace's glorification of multitasking, suggesting that sequential focus may enhance overall productivity and reduce errors, particularly in complex problem-solving scenarios.
❓ Theo đoạn văn, hậu quả chính của việc cố gắng làm nhiều việc cùng lúc là gì?
A. A) Tăng hiệu quả trong việc hoàn thành các nhiệm vụ phức tạp.
B. B) Khả năng cao hơn về mệt mỏi tinh thần và giảm độ chính xác.
C. C) Tăng cường hoạt động ở vỏ não trước trán trong quá trình thực hiện nhiệm vụ.
D. D) Khả năng xử lý song song nhiều luồng thông tin.
✅ 正确答案
B) A higher likelihood of mental fatigue and reduced accuracy.
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