Can clouds dance? Part 2: An ERP investigation of passive conceptual expansion
Can clouds dance? Part 2: An ERP investigation of passive conceptual expansion
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DOI：
10.1016/j.bandc.2012.08.003
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发表时间：
2012-12-01
影响因子：
2.5
通讯作者：
Abraham, Anna
中科院分区：
文献类型：
--
作者：
Rutter, Barbara;Kroeger, Soeren;Abraham, Anna
概念扩展是创造性认知的核心操作之一，本研究对其进行了研究。采用新的隐喻、无意义和字面短语的实验范式，通过参与者的反应将刺激归类到每个条件，来解释概念性知识组织的个体差异。分类是由他们对创造力的两个定义标准：不同寻常和适当性的刺激的判断决定的。被判断为不寻常和适当的短语具有特别的兴趣，因为它们是被认为被动地诱导概念扩展的新奇和陌生的短语。结果显示，相对于通常和适当的短语(字面意思)，N400对被判定为不寻常和不恰当(废话)或不寻常和适当(概念扩展，新奇隐喻)的短语进行了分级调制：N400被解释为索引更大的努力来提取语义信息并整合通过短语呈现的新概念。对后来的时间窗口的分析显示，持续的负面影响与N400的评分方式相同。这些发现证明了使用事件相关电生理学研究创造性认知的有效性。(C)2012 Elsevier Inc.保留所有权利。
Conceptual expansion, one of the core operations in creative cognition, was investigated in the present ERP study. An experimental paradigm using novel metaphoric, nonsensical and literal phrases was employed where individual differences in conceptual knowledge organization were accounted for by using participants' responses to categorize the stimuli to each condition. The categorization was determined by their judgment of the stimuli on the two defining criteria of creativity: unusualness and appropriateness. Phrases judged as unusual and appropriate were of special interest as they are novel and unfamiliar phrases thought to passively induce conceptual expansion. The results showed a graded N400 modulation for phrases judged to be unusual and inappropriate (nonsense) or unusual and appropriate (conceptual expansion, novel metaphorical) relative to usual and appropriate (literal) phrases: The N400 is interpreted as indexing greater effort to retrieve semantic information and integrate the novel concepts presented through the phrases. Analyses of the later time-window showed an ongoing negativity that was graded in the same manner as the N400. The findings attest to the usefulness of investigating creative cognition using event-related electrophysiology. (C) 2012 Elsevier Inc. All rights reserved.