From primed to learn: the saturation of repetition priming and the induction of long-term memory
From primed to learn: the saturation of repetition priming and the induction of long-term memory
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DOI：
10.1016/s0926-6410(01)00124-0
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发表时间：
2002-05-01
期刊：
影响因子：
--
通讯作者：
Karni, A
中科院分区：
文献类型：
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作者：
Hauptmann, B;Karni, A
虽然熟能生巧，但目前尚不清楚需要多少练习才能在特定任务中获得持久的表现提升。在这里，使用字母枚举任务，我们证明了经验依赖的性能增益到相对稳定形式的转变，以及延迟的、持久的、会话之间的增益的触发（这两种效应都被认为是巩固过程的表现）是依赖于练习量的。然后我们证明(a)巩固过程一旦被触发，作为时间的函数，无需进一步的练习就可以继续进行；(b)巩固过程的触发与重复启动效应有关——处理先前经历过的项目时的表现提高。然而，我们发现重复启动效应在有限次数的连续重复后饱和，并反映了对重复经验的初始但可能可逆的反应。此外，我们表明，决定重复启动（而不是技能学习）发生的一个关键参数是在引物呈现之前存在干扰（由一组不同的项目）。因此，我们的研究结果表明，重复启动效应的饱和，而不是启动本身，可能是诱导缓慢学习过程和巩固的关键。(C) 2002 Elsevier Science B.V.版权所有
Although practice can make perfect, it is not clear how much practice is needed to trigger long-lasting performance gains on a given task. Here, using a letter enumeration task, we show that the transition of experience dependent performance gains to a relatively stable form, as well as the triggering of delayed, long-lasting, between session gains (both effects are considered manifestations of consolidation processes) is amount-of-practice dependent. We then show (a) that consolidation processes, once triggered, can proceed without further practice as a function of time and (b) that the triggering of consolidation processes is related to repetition priming effects-performance gains in processing a previously experienced item. However, we show that repetition priming effects saturate after a limited number of consecutive repetitions and reflect an initial, but potentially reversible, response to the repeated experience. Moreover, we show that one critical parameter determining the occurrence of repetition priming (but not skill learning) is the presence of interference (by a somewhat different set of items) prior to the primer presentation. Thus, our results suggest that the saturation of repetition priming effects, rather than priming per se, may be critical to the induction of slow learning processes and consolidation. (C) 2002 Elsevier Science B.V. All rights reserved.