Timing and executive function: Bidirectional interference between concurrent temporal production and randomization tasks
Timing and executive function: Bidirectional interference between concurrent temporal production and randomization tasks
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DOI：
10.3758/bf03195911
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发表时间：
2006-10-01
影响因子：
2.4
通讯作者：
Brown, Scott W.
中科院分区：
文献类型：
--
作者：
Brown, Scott W.
同时进行的时间/非时间双任务研究的干扰效应的审查表明，前瞻性的时间可能与执行认知功能。执行过程通过控制注意力、协调信息和安排行动在行为中起监督作用。本研究采用双任务范式，将计时任务与执行任务配对。计时任务要求被试产生一系列5秒的时间产生，执行任务为随机数产生。这些任务分别和同时进行。单任务和双任务条件的比较表明：（1）随机化任务通过使时间生产更可变和更长来干扰时间，（2）同时时间通过使响应更不随机来破坏随机化性能。这种双向干扰模式支持这样一种观点，即时间依赖于其他执行级任务所使用的相同注意力资源。
A review of interference effects in concurrent temporal/nontemporal dual-task studies suggests that prospective timing may be related to executive cognitive functions. Executive processes play a supervisory role in behavior by controlling attention, coordinating information, and scheduling actions. In the present research, a timing task was paired with an established executive task in a dual-task paradigm. The timing task required subjects to generate a series of 5-sec temporal productions, and the executive task was random number generation. These tasks were performed both separately and concurrently. Comparisons of single-task and dual-task conditions showed that (1) the randomization task interfered with timing by making temporal productions more variable and longer and (2) concurrent timing disrupted randomization performance by making responses less random. This pattern of bidirectional interference supports the idea that timing relies on the same attentional resources used by other executive-level tasks.