The Activation of Embedded Words in Spoken Word Recognition.
The Activation of Embedded Words in Spoken Word Recognition.
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DOI：
10.1016/j.jml.2014.12.001
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发表时间：
2015-02
影响因子：
4.3
通讯作者：
Samuel AG
中科院分区：
文献类型：
--
作者：
Zhang X;Samuel AG
目前的研究调查了听众如何理解英语单词中嵌入了较短的单词。本研究采用认知-听觉启动实验，考察了6种嵌入词（2个嵌入位置× 3个嵌入比例）在不同听力条件下的激活情况。促进对目标的词汇决策反应（例如，猪）与嵌入在质数中的单词相关联（例如，仓鼠）对嵌入单词的索引激活（例如，火腿）。当听力条件最佳时，孤立的嵌入词（例如，火腿）引发他们的目标在所有六个条件（实验1a）。在载波字（例如，仓鼠），只有当它们在开始或包括一个大比例的载体字（实验1b）相同的嵌入词集产生启动。当听力条件是次优的扩大或压缩启动，显着的启动被发现为孤立的嵌入词（实验2a），但没有启动时，载体词被压缩/扩大（实验2b）。同样，启动被消除时，载体词与噪声取代一段（实验3）。当施加认知负荷时，当嵌入词被单独呈现时（实验4a），再次发现了嵌入词的启动，但当它们嵌入在载体词中时（实验4 b），没有发现。结果表明，嵌入位置和比例在嵌入词的激活中起重要作用，但这种激活只发生在非常好的听力条件下。
The current study investigated how listeners understand English words that have shorter words embedded in them. A series of auditory-auditory priming experiments assessed the activation of six types of embedded words (2 embedded positions × 3 embedded proportions) under different listening conditions. Facilitation of lexical decision responses to targets (e.g., pig) associated with words embedded in primes (e.g., hamster) indexed activation of the embedded words (e.g., ham). When the listening conditions were optimal, isolated embedded words (e.g., ham) primed their targets in all six conditions (Experiment 1a). Within carrier words (e.g., hamster), the same set of embedded words produced priming only when they were at the beginning or comprised a large proportion of the carrier word (Experiment 1b). When the listening conditions were made suboptimal by expanding or compressing the primes, significant priming was found for isolated embedded words (Experiment 2a), but no priming was produced when the carrier words were compressed/expanded (Experiment 2b). Similarly, priming was eliminated when the carrier words were presented with one segment replaced by noise (Experiment 3). When cognitive load was imposed, priming for embedded words was again found when they were presented in isolation (Experiment 4a), but not when they were embedded in the carrier words (Experiment 4b). The results suggest that both embedded position and proportion play important roles in the activation of embedded words, but that such activation only occurs under unusually good listening conditions.
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