Recent studies in cognitive psychology have challenged the traditional view that multitasking enhances productivity. Researchers at Stanford University found that individuals who frequently engage in multiple media streams simultaneously perform worse on tasks requiring attention and memory retention compared to those who focus on a single task. The brain, they argue, is not designed for parallel processing of complex information; rather, it rapidly switches between tasks, leading to cognitive overload and reduced efficiency. This phenomenon, termed 'attention fragmentation,' has significant implications for educational environments, where students often divide their attention between lectures and digital devices. The findings suggest that fostering sustained concentration may be more beneficial for learning outcomes than encouraging multitasking habits.
❓ 这段文字的主要论点是什么?
A. A) 多任务处理能提升学生的认知表现。
B. B) 大脑能够并行处理复杂信息。
C. C) 多任务处理因快速切换任务而降低效率。
D. D) 数字设备对课堂注意力没有影响。
✅ 正确答案
C) Multitasking reduces efficiency due to rapid task-switching.