Subcategorical mismatches and the time course of lexical access: Evidence for lexical competition
Subcategorical mismatches and the time course of lexical access: Evidence for lexical competition
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DOI：
10.1080/01690960143000074
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发表时间：
2001-10-01
期刊：
影响因子：
--
通讯作者：
Hogan, EM
中科院分区：
文献类型：
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作者：
Dahan, D;Magnuson, JS;Hogan, EM
当参与者按照口头指示用电脑鼠标点击图片对象（例如，“点击网络”）时，他们的眼球运动受到监测。正如包含词汇竞争的口语单词识别模型所预测的那样，当目标单词的出现来自竞争单词（例如 ne(ck)t）时，参与者注视目标图片的速度比来自非单词（例如 ne(p)t）的速度要慢。这是通过显示器上是否存在竞争词的图片（例如脖子的图片）来发现的。 TRACE 模型的模拟捕捉了随着时间的推移对目标及其竞争对手的关注的主要趋势。我们认为，随着时间的推移，眼球运动提供了词汇激活的细粒度测量，从而揭示了被词汇决策等反应措施所掩盖的词汇竞争的影响。
Participants' eye movements were monitored as they followed spoken instructions to click on a pictured object with a computer mouse (e.g., "click on the net"). Participants were slower to fixate the target picture when the onset of the target word came from a competitor word (e.g., ne(ck)t) than from a nonword (e.g., ne(p)t), as predicted by models of spoken-word recognition that incorporate lexical competition. This was found whether the picture of the competitor word (e.g., the picture of a neck) was present on the display or not. Simulations with the TRACE model captured the major trends of fixations to the target and its competitor over time. We argue that eye movements provide a fine-grained measure of lexical activation over time, and thus reveal effects of lexical competition that are masked by response measures such as lexical decisions.