• Publications
  • Influence
A spreading-activation theory of lemma retrieval in speaking
  • A. Roelofs
  • Psychology, Medicine
  • Cognition
  • 31 December 1992
This paper presents a spreading-activation theory of conceptually driven lemma retrieval--the first stage of lexical access in speaking, where lexical items specified with respect to meaning andExpand
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A theory of lexical access in speech production. [Abstract]
Preparing words in speech production is normally a fast and accurate process. We generate them two or three per second in fluent conversation; and overtly naming a clear picture of an object canExpand
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Goal-referenced selection of verbal action: modeling attentional control in the Stroop task.
  • A. Roelofs
  • Medicine, Psychology
  • Psychological review
  • 2003
This article presents a new account of the color-word Stroop phenomenon (J. R. Stroop, 1935) based on an implemented model of word production, WEAVER++ (W. J. M. Levelt, A. Roelofs, & A. S. Meyer,Expand
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The WEAVER model of word-form encoding in speech production
  • A. Roelofs
  • Psychology, Medicine
  • Cognition
  • 1 September 1997
Lexical access in speaking consists of two major steps: lemma retrieval and word-form encoding. In Roelofs (Roelofs, A. 1992a. Cognition 42. 107-142; Roelofs. A. 1993. Cognition 47, 59-87.), IExpand
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Role of inhibition in language switching: Evidence from event-related brain potentials in overt picture naming
How are bilinguals able to switch from one language to another? The prevailing inhibition hypothesis takes larger reaction-time (RT) costs for switching to the first language (L1) than to the secondExpand
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Serial Order in Planning the Production of Successive Morphemes of a Word
Abstract Five implicit priming experiments examined whether the speech production system can plan noninitial morphemes of a word in advance of initial ones. On each trial, subjects had to produce oneExpand
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Phonological Segments and Features as Planning Units in Speech Production
The author reports four experiments that examined phonological processes in spoken word production. A form-preparation paradigm was applied to the question of whether phonological features can beExpand
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Tracing attention and the activation flow of spoken word planning using eye movements.
  • A. Roelofs
  • Psychology, Medicine
  • Journal of experimental psychology. Learning…
  • 1 March 2008
The flow of activation from concepts to phonological forms within the word production system was examined in 3 experiments. In Experiment 1, participants named pictures while ignoring superimposedExpand
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Striatal Dopamine Mediates the Interface between Motivational and Cognitive Control in Humans: Evidence from Genetic Imaging
Dopamine has been hypothesized to provide the basis for the interaction between motivational and cognitive control. However, there is no evidence for this hypothesis in humans. We fill this gap byExpand
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Metrical structure in planning the production of spoken words
According to most models of speech production, the planning of spoken words involves the independent retrieval of segments and metrical frames followed by segment-to-frame association. In someExpand
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