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 them in parallel. This switching incurs a 'cognitive cost,' manifesting as reduced accuracy and increased reaction time. Furthermore, research indicates that habitual multitaskers perform worse on tests of sustained attention and memory retrieval compared to those who focus on single tasks sequentially. These findings challenge the popular assumption that multitasking enhances productivity, suggesting instead that it impairs higher-order cognitive functions. Consequently, experts advocate for 'monotasking' in educational and professional settings to optimize performance and neural efficiency.
❓ この文章によると、一度に2つの複雑な作業を同時に行おうとすることの主な影響は何ですか？
A. これにより、脳は情報をより効率的に処理することができます。
B. 精度の低下と応答時間の遅延につながります。
C. それは持続的な注意力と記憶の想起を向上させます。
D. 前頭前皮質における並列処理を活性化します。
✅ 正确答案
It leads to a decline in accuracy and slower response times.
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