Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers such as Rubinstein and colleagues (2001) demonstrated that task-switching incurs a cognitive cost, as the brain requires time to refocus attention after each interruption. This phenomenon, termed 'attention residue', suggests that even brief diversions can impair performance on complex tasks. Furthermore, neuroimaging data indicate that the prefrontal cortex, responsible for executive control, shows reduced efficiency when processing multiple streams of information simultaneously. These findings imply that in academic or professional settings, prioritizing sequential focus over concurrent task management may lead to higher quality outcomes and fewer errors.
❓ 根据文章所述，“注意力残留”对任务表现的主要影响是什么？
A. A. 多任务处理通过允许同时处理信息来提高效率。
B. B. 短暂的打断会因认知重新聚焦时间而对复杂任务的表现产生负面影响。
C. C. 前额叶皮层在处理多项任务时会变得更加高效。
D. D. 顺序专注在减少错误方面不如多任务处理有效。
✅ 正确答案
B. Brief interruptions can negatively affect performance on complex tasks due to cognitive refocusing time.