University of Umeå, Umeå, Sweden.
Child Neuropsychol. 2008 Jul;14(4):372-86. doi: 10.1080/09297040701441411. Epub 2007 Sep 11.
A number of patient studies suggest that impairments in frontal lobe functions are associated with disorders in temporal information processing. One implication of these findings is that subjective experience of time should be related to executive functions regardless of etiology. In two experiments, we examined sense of time in relation to components of executive functioning in healthy children and adults. In Experiment 1, children between 8 to 12 years completed six experimental tasks that tapped three components of executive functioning: inhibition, updating, and mental shifting. Sense of time was examined in a duration judgment task in which participants reproduced stimulus durations between 4 to 32 s. In Experiment 2, adult participants completed the time reproduction task under varying concurrent task demands. Both experiments showed selective effects in that time reproduction errors were related to the inhibition and updating, but not to the shifting, components of executive functioning. However, the observed effects were modulated by task demands and age-related differences in cognitive competence. We conclude that individual differences in executive functioning are only weakly related to time reproduction performance in healthy children and adults.
一些患者研究表明,额叶功能障碍与颞叶信息处理障碍有关。这些发现的一个含义是,无论病因如何,主观时间体验都应该与执行功能有关。在两项实验中,我们研究了健康儿童和成人的时间感与执行功能成分的关系。在实验 1 中,8 至 12 岁的儿童完成了六个实验任务,这些任务涉及执行功能的三个成分:抑制、更新和心理转换。在时长判断任务中,我们检查了时间感,参与者在 4 到 32 秒之间复制刺激时长。在实验 2 中,成年参与者在不同的并发任务要求下完成时间再现任务。这两个实验都显示出选择性效应,即时间再现错误与抑制和更新有关,但与转换无关。然而,观察到的效应受到任务要求和认知能力与年龄相关差异的调节。我们的结论是,在健康儿童和成人中,执行功能的个体差异与时间再现表现只有微弱的关系。