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·英译中：

原文：

The concern among neuroscientists studying the workings of the brain is that our tendency to divide our attention, rather than focus, is hampering our ability to perform even simple tasks. This can have an extremely negative impact on:

Attentiveness. Those regulations against using your cell phone while driving are based on scientific data. Dual tasking (doing a linguistic or auditory task during a driving simulation) is associated with reduced activity in regions of the brain important for attention, as well as poorer driving performance. Several studies have proposed that individuals who are heavy media multitaskers adopt a style of attention control that favors parallel processing of multiple information sources over focus on one primary task. Another study compared the performances of heavy versus light media multitaskers. Surprisingly, heavy media multitaskers performed worse on tests of task-switching ability, possibly due to greater difficulties filtering out irrelevant information.

译文：

研究大脑工作原理的神经科学家担心，我们倾向于分散注意力，而不是集中注意力，会妨碍我们完成简单任务的能力。这会对以下方面产生极其负面的影响：

注意力。禁止在开车时使用手机的规定是有科学依据的。在驾驶模拟过程中进行语言或听觉任务的双重任务处理，会导致大脑中与注意力相关的区域活动减少，同时驾驶表现也会变差。有几项研究提出，重度媒体多任务处理者的注意力控制方式倾向于并行处理多个信息源，而不是专注于一项主要任务。另一项研究比较了重度媒体多任务者和轻度媒体多任务者的表现。令人惊讶的是，重度媒体多任务者在任务切换能力测试中表现较差，这可能是由于他们更难过滤掉无关信息。