雅思阅读

📖 Reading Passage

Recent studies in cognitive neuroscience have revealed that the human brain's capacity for multitasking is largely illusory. When individuals attempt to perform two complex tasks simultaneously, the prefrontal cortex rapidly switches between them rather than processing both at once. This switching incurs a 'cognitive cost,' manifesting as reduced accuracy and slower reaction times. Moreover, habitual multitaskers often exhibit poorer performance on tasks requiring sustained attention, suggesting that the neural pathways associated with focused concentration may be weakened by frequent task-switching. These findings challenge the popular belief that multitasking enhances productivity, implying instead that sequential task management might be more efficient for complex cognitive work.