Denkinger Benjamin, Koutstaal Wilma
Department of Psychology, University of Minnesota, Minneapolis, MN 55455, USA.
J Exp Psychol Learn Mem Cogn. 2009 May;35(3):742-56. doi: 10.1037/a0015263.
Recent encounters with a stimulus often facilitate or "prime" future responses to the same or similar stimuli. However, studies are inconclusive as to whether changing the response that is required attenuates priming only for identical stimuli, or also for categorically related items. In 2 object priming experiments, the authors show that priming was eliminated if the initial decision associated with a stimulus changed on a later trial. This disruption of priming extended to perceptually and conceptually similar object exemplars and was found even when the classification tasks were uncorrelated with one another, many other items had intervened, and after only 1 prior encounter with a given stimulus. These outcomes are consistent with the rapid and automatic binding of a stimulus with a response into an episodic "instance" or "event file" and demonstrate that repetition-related decision learning is not hyperspecific but generalizes to new stimuli.
近期对某一刺激的接触常常会促进或“启动”未来对相同或相似刺激的反应。然而,对于改变所需的反应是否仅会减弱对相同刺激的启动效应,还是也会减弱对类别相关项目的启动效应,研究尚无定论。在两项物体启动实验中,作者表明,如果与某一刺激相关的初始决策在后续试验中发生了变化,启动效应就会消除。这种启动效应的干扰扩展到了在感知和概念上相似的物体范例,而且即使分类任务彼此不相关、有许多其他项目介入,以及在仅事先接触过一次给定刺激之后,也发现了这种干扰。这些结果与刺激和反应迅速自动地绑定到一个情景“实例”或“事件文件”相一致,并表明与重复相关的决策学习并非高度特异性的,而是可以推广到新的刺激上。