雅思阅读

📖 Reading Passage

Recent studies in cognitive neuroscience have revealed that the human brain's ability to multitask is largely a myth. When individuals attempt to perform two tasks simultaneously, the brain rapidly switches attention between them rather than processing both at once. This switching incurs a cognitive cost, leading to reduced efficiency and increased errors, particularly in complex tasks. Furthermore, neuroimaging data suggest that the prefrontal cortex, which governs executive functions, becomes overloaded during such attempts. Interestingly, practice can improve performance on individual tasks, but it does not eliminate the fundamental limitation of serial processing. These findings have significant implications for workplace productivity, challenging the common belief that multitasking enhances output. Instead, research advocates for focused, sequential work to optimize cognitive performance.