Dissociation between activation and attention effects in time estimation: Implications for internal clock models
Dissociation between activation and attention effects in time estimation: Implications for internal clock models
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DOI：
10.1037/0096-1523.27.1.195
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发表时间：
2001-02-01
影响因子：
2.1
通讯作者：
Casini, L
中科院分区：
文献类型：
--
作者：
Burle, B;Casini, L
在时间生产任务中，参与者的激活水平和对时间的注意力分别通过任务期间以两种不同强度提供的点击序列和引入并发反应时间任务来操纵。传统上认为激活水平会影响内部起搏器的速率，而注意力影响时间估计的方式仍存在争议。评估了注意力效果不同的三个模型。对这 3 个模型中的每一个模型都得出了对激活和注意力之间交互模式的预测。当联合操纵时，这两个因素被证明是独立的，因为它们对性能有累加效应。这一发现表明，激活水平会影响起搏器频率，而注意力水平则通过直接作用于以全有或全无的方式起作用的开关来影响积累过程。
In a time production task, the participants' activation level and attention devoted to time were manipulated respectively by means of click trains delivered at 2 different intensities during the task and by introducing a concurrent reaction time task. Activation level is classically considered to affect the rate of an internal pacemaker, whereas the way attention affects time estimation is a matter of debate. Three models that differ as to the effect of attention were evaluated. Predictions on the interaction pattern between activation and attention were derived for each of the 3 models. When manipulated jointly, these 2 factors proved to be independent, as they had additive effects on the performance. This finding suggests that the activation level affects the pacemaker rate, whereas the attention level affects an accumulation process by directly acting on a switch functioning in an all-or-none fashion.