文献详情
The effect of time pressure and semantic relatedness in spoken word production: A topographic ERP study
文献类型：期刊
期刊名称：Behavioural brain research影响因子和分区
年：2020
页码：112587
ISSN：1872-7549
关键词：semantic interference effect,spatio-temporal segmentation,spoken word production,time pressure
所属部门：心理学系
摘要：Speaking involves information-universal and information specific systems, and it remains unknown about the influence of two systems in spoken word production. We manipulated time pressure (with and without) as an information-universal factor and the semantic relatedness between target names and distractor words (semantically related and unrelated) as an information-specific factor in the picture-word interference (PWI) task, while electrophysiological signals were measured concurrently. Naming l ...More
Speaking involves information-universal and information specific systems, and it remains unknown about the influence of two systems in spoken word production. We manipulated time pressure (with and without) as an information-universal factor and the semantic relatedness between target names and distractor words (semantically related and unrelated) as an information-specific factor in the picture-word interference (PWI) task, while electrophysiological signals were measured concurrently. Naming latencies showed a significant semantic interference effect in the condition without time pressure but none in the condition with time pressure. Spatio-temporal segmentation analysis indicated that time pressure only prolonged the duration of Map 4 ranging from about 250 to 350?ms post picture presentation, and meanwhile shortened the duration of Map 5 starting around 350 to 520?ms. Within the framework of serial models, the two time periods were presumably associated with lexical selection and phonological encoding in spoken word production. Cluster-based permutation analysis revealed that semantic relatedness modulated ERPs around 320-360?ms after picture onset in the condition without time pressure, while 530-570?ms in the condition with time pressure. Our findings reveal that time pressure prolongs lexical selection and shortens phonological encoding. Furthermore, time pressure dynamically modulates whether semantically related distractors exceed a competition threshold to interfere with target word selection.Copyright ? 2020. Published by Elsevier B.V. ...Hide

DOI：10.1016/j.bbr.2020.112587
百度学术：The effect of time pressure and semantic relatedness in spoken word production: A topographic ERP study
语言：外文
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