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任务转换中预期认知控制过程的发展:儿童、青少年和青年成年人的 ERP 研究。

The development of anticipatory cognitive control processes in task-switching: an ERP study in children, adolescents, and young adults.

机构信息

School of Social and Behavioral Sciences, Mercy College, Dobbs Ferry, New York, NY 10522, USA.

出版信息

Psychophysiology. 2011 Sep;48(9):1258-75. doi: 10.1111/j.1469-8986.2011.01192.x. Epub 2011 Mar 3.

Abstract

To investigate the development of advance task-set updating and reconfiguration, behavioral and event-related potential (ERP) data were recorded in children (9-10 years), adolescents (13-14 years), and young adults (20-27 years) in a cued task-switching paradigm. In pure blocks, the same task was repeated. In mixed blocks, comprised of stay and switch trials, two tasks were intermixed. Age differences were found for stay-pure performance (mixing costs) in the 600-ms but not in the 1200-ms cue-target interval (CTI). Children showed larger reaction time mixing costs than adults. The ERPs suggested that the larger costs were due to delayed anticipatory task-set updating in children. Switch-stay performance decrements (switch costs) were age-invariant in both CTIs. However, ERP data suggested that children reconfigured the task-set on some stay trials, rather than only on switch trials, suggesting the continued maturation of task-set reconfiguration processes.

摘要

为了研究预先任务集更新和重新配置的发展,在 cue 式任务转换范式中,对儿童(9-10 岁)、青少年(13-14 岁)和年轻人(20-27 岁)进行了行为和事件相关电位(ERP)数据记录。在纯块中,重复相同的任务。在混合块中,由保持和转换试验组成,两个任务混合在一起。在 600ms 而不是 1200ms 线索-目标间隔(CTI)中,发现了保持-纯表现(混合成本)的年龄差异。儿童的反应时混合成本大于成人。ERP 表明,较大的成本是由于儿童在预测性任务集更新方面的延迟。在两个 CTI 中,转换-保持表现的下降(转换成本)都是与年龄无关的。然而,ERP 数据表明,儿童在一些保持试验中重新配置了任务集,而不仅仅是在转换试验中,这表明任务集重新配置过程仍在继续成熟。

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