论文标题
表征句子上下文对单词含义的影响：将大脑映射到行为
Characterizing the Effect of Sentence Context on Word Meanings: Mapping Brain to Behavior
论文作者
论文摘要
语义特征模型已成为fMRI数据预测和解释的流行工具。特别是，先前的工作表明，句子阅读中fMRI模式的差异可以通过与单词的语义特征表示的上下文相关的变化来解释。但是，受试者是否意识到这种变化并同意它们是一个悬而未决的问题。本文旨在通过人类受试者的研究回答这个问题。要求受试者判断当在特定句子中使用这些单词时，单词的一般含义如何变化。判断与模型预测一致。因此，结果支持以下假设：单词含义取决于句子上下文。
Semantic feature models have become a popular tool for prediction and interpretation of fMRI data. In particular, prior work has shown that differences in the fMRI patterns in sentence reading can be explained by context-dependent changes in the semantic feature representations of the words. However, whether the subjects are aware of such changes and agree with them has been an open question. This paper aims to answer this question through a human-subject study. Subjects were asked to judge how the word change from their generic meaning when the words were used in specific sentences. The judgements were consistent with the model predictions well above chance. Thus, the results support the hypothesis that word meaning change systematically depending on sentence context.
