Department of Educational Psychology, University of Utah, 1705 East Central Campus Drive, Room 327, Salt Lake City, UT 84112-9255, USA.
J Exp Psychol Learn Mem Cogn. 2010 Nov;36(6):1510-28. doi: 10.1037/a0021039.
Three experiments investigated facilitation in synonym decisions as a function of prior synonym decision trials that were either identical or semantically related. Experiment 1 demonstrated that semantically related prime trials produced less facilitation than identical prime trials, but facilitation from both persisted over 14 intervening trials. Experiments 2 and 3 demonstrated that word meaning retrieval without meaning comparison in prime trials was sufficient for persistent facilitation in semantically related targets, and meaning comparison was necessary for repetition priming to show greater facilitation than semantic priming. Results suggest that semantic priming in this task may solely reflect strength changes in abstract semantic representations, whereas repetition priming may reflect additional nondeclarative memory for operations performed in prime events.
三项实验以先前的同义词决策试验为自变量，研究了同义词决策中的促进作用，这些试验要么完全相同，要么语义相关。实验 1 表明，语义相关的启动试验产生的促进作用小于完全相同的启动试验，但两种启动试验的促进作用都能持续 14 次干预试验。实验 2 和 3 表明，在启动试验中进行词义检索而不进行词义比较足以使语义相关目标产生持续的促进作用，而词义比较是重复启动作用比语义启动作用产生更大促进作用的必要条件。结果表明，在这项任务中，语义启动可能仅反映了抽象语义表征的强度变化，而重复启动可能反映了在启动事件中执行的操作的额外非陈述性记忆。
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