Pim Levelt

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  • Bien, H., Baayen, H. R., & Levelt, W. J. M. (2011). Frequency effects in the production of Dutch deverbal adjectives and inflected verbs. Language and Cognitive Processes, 26, 683-715. doi:10.1080/01690965.2010.511475.

    Abstract

    In two experiments, we studied the role of frequency information in the production of deverbal adjectives and inflected verbs in Dutch. Naming latencies were triggered in a position-response association task and analysed using stepwise mixed-effects modelling, with subject and word as crossed random effects. The production latency of deverbal adjectives was affected by the cumulative frequencies of their verbal stems, arguing for decomposition and against full listing. However, for the inflected verbs, there was an inhibitory effect of Inflectional Entropy, and a nonlinear effect of Lemma Frequency. Additional effects of Position-specific Neighbourhood Density and Cohort Entropy in both types of words underline the importance of paradigmatic relations in the mental lexicon. Taken together, the data suggest that the word-form level does neither contain full forms nor strictly separated morphemes, but rather morphemes with links to phonologically andin case of inflected verbsmorphologically related word forms.
  • Cholin, J., Dell, G. S., & Levelt, W. J. M. (2011). Planning and articulation in incremental word production: Syllable-frequency effects in English. Journal of Experimental Psychology: Learning, Memory, and Cognition, 37, 109-122. doi:10.1037/a0021322.

    Abstract

    We investigated the role of syllables during speech planning in English by measuring syllable-frequency effects. So far, syllable-frequency effects in English have not been reported. English has poorly defined syllable boundaries, and thus the syllable might not function as a prominent unit in English speech production. Speakers produced either monosyllabic (Experiment 1) or disyllabic (Experiment 2–4) pseudowords as quickly as possible in response to symbolic cues. Monosyllabic targets consisted of either high- or low-frequency syllables, whereas disyllabic items contained either a 1st or 2nd syllable that was frequency-manipulated. Significant syllable-frequency effects were found in all experiments. Whereas previous findings for disyllables in Dutch and Spanish—languages with relatively clear syllable boundaries—showed effects of a frequency manipulation on 1st but not 2nd syllables, in our study English speakers were sensitive to the frequency of both syllables. We interpret this sensitivity as an indication that the production of English has more extensive planning scopes at the interface of phonetic encoding and articulation.
  • Edwards, J., & Levelt, W. J. M. (1993). The control group study. In C. Perdue (Ed.), Adult language acquisition: Cross-linguistic perspectives. Vol. I Field methods (pp. 173-185). Cambridge University Press.
  • Hoeks, B., & Levelt, W. J. M. (1993). Pupillary dilation as a measure of attention: A quantitative system analysis. Behavior Research Methods, Instruments, & Computers, 25(1), 16-26.
  • Levelt, W. J. M. (1993). Die konnektionistische Mode. In J. Engelkamp, & T. Pechmann (Eds.), Mentale Repräsentation (pp. 51-62). Bern: Huber Verlag.
  • Levelt, W. J. M. (1993). Accessing words in speech production: Stages, processes and representations. In W. J. M. Levelt (Ed.), Lexical access in speech production (pp. 1-22). Cambridge, MA: Blackwell Publishers.

    Abstract

    Originally published in Cognition International Journal of Cognitive Science, Volume 42, Numbers 1-3, 1992 This paper introduces a special issue of Cognition 011 lexical access in speech production. Over the last quarter century, the psycholinguistic study of speaking, and in particular of accessing words in speech, received a major new impetus from the analysis of speech errors, dysfluencies and hesMions, from aphasiology, and from new paradigms in reaction time research. The emerging theoretical picture partitions the accessing process into two subprocesses, the selection of an appropriate lexical item (and "lemma") from the mental lexicon, and the phonological encoding of that item, that is, the computation of a phonetic program for the item in the context of utterance These two theoretical domains are successively introduced by outlining some core issues that have been or still have to be addressed. The final section discusses the controversial question whether phonological encoding can affect lexical selection. This partitioning is also followed in this special issue as a whole. There are, first, four papers on lexical selection, then three papers on phonological encoding, and finally one on the interaction between selection and phonological encoding.
  • Levelt, W. J. M. (1993). Lexical access in speech production. In E. Reuland, & W. Abraham (Eds.), Knowledge and language: Vol. 1. From Orwell's problem to Plato's problem (pp. 241-251). Dordrecht: Kluwer.
  • Levelt, W. J. M. (Ed.). (1993). Lexical access in speech production. Cambridge, Mass.: Blackwell.

    Abstract

    Formerly published in: Cognition : international journal of cognitive science, vol. 42, nos. 1-3, 1992
  • Levelt, W. J. M. (1993). Lexical selection, or how to bridge the major rift in language processing. In F. Beckmann, & G. Heyer (Eds.), Theorie und Praxis des Lexikons (pp. 164-172). Berlin: Walter de Gruyter.
  • Levelt, W. J. M. (1993). The architecture of normal spoken language use. In G. Blanken, J. Dittman, H. Grimm, J. C. Marshall, & C.-W. Wallesch (Eds.), Linguistic disorders and pathologies: An international handbook (pp. 1-15). Berlin: Walter de Gruyter.
  • Levelt, W. J. M. (1993). Spreken als vaardigheid. In C. Blankenstijn, & A. Scheper (Eds.), Taalvaardigheid (pp. 1-16). Dordrecht: ICG Publications.
  • Levelt, W. J. M. (1993). Timing in speech production with special reference to word form encoding. Annals of the New York Academy of Sciences, 682, 283-295. doi:10.1111/j.1749-6632.1993.tb22976.x.
  • Levelt, W. J. M. (1973). Formele grammatica's in linguistiek en taalpsychologie (Vols. I-III). Deventer: Van Loghem Slaterus.
  • Levelt, W. J. M. (1973). Recente ontwikkelingen in de taalpsychologie. Forum der Letteren, 14(4), 235-254.
  • Levelt, W. J. M., & Bonarius, M. (1973). Suffixes as deep structure clues. Methodology and Science, 6(1), 7-37.

    Abstract

    Recent work on sentence recognition suggests that listeners use their knowledge of the language to directly infer deep structure syntactic relations from surface structure markers. Suffixes may be such clues, especially in agglutinative languages. A cross-language (Dutch-Finnish) experiment is reported, designed to investigate whether the suffix structure of Finnish words (as opposed to suffixless Dutch words) can facilitate prompted recall of sentences in case these suffixes differentiate between possible deep structures. The experiment, in which 80 subjects recall sentences at the occasion of prompt words, gives only slight confirmatory evidence. Meanwhile, another prompted recall effect (Blumenthal's) could not be replicated.

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