Stief V, Schweinberger S R
Universität Konstanz.
Z Exp Psychol. 1999;46(4):265-74.
This study investigated hemispheric asymmetries in repetition priming (Experiment 1) and associative priming (Experiment 2) in visual word recognition. Participants performed speeded lexical decisions for foveally presented target words that could be preceded by prime words presented to the left (LVF) or right (RVF) visual field. Experiment 1 demonstrated larger repetition priming in reaction times when prime words were presented to the RVF (left hemisphere). In contrast, no repetition priming was observed for pseudowords. Hemispheric asymmetries in word repetition priming may therefore reflect the superiority of the left hemisphere in activating lexical representations. Experiment 2 did not find any hemispheric asymmetries in associative priming. The results suggest that repetition priming and associative priming act on different levels in word recognition, for which different hemispheric asymmetries exist.
本研究调查了视觉单词识别中重复启动（实验1）和联想启动（实验2）的半球不对称性。参与者对中央凹呈现的目标单词进行快速词汇判断，这些目标单词之前可能会在左视野（LVF）或右视野（RVF）呈现启动词。实验1表明，当启动词呈现于右视野（左半球）时，反应时间上的重复启动效应更大。相比之下，对于伪词未观察到重复启动效应。因此，单词重复启动中的半球不对称性可能反映了左半球在激活词汇表征方面的优势。实验2在联想启动中未发现任何半球不对称性。结果表明，重复启动和联想启动在单词识别中作用于不同层面，存在不同的半球不对称性。
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