Displaying 1 - 15 of 15
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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.
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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.
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Levelt, W. J. M., Van Gent, J., Haans, A., & Meijers, A. (1977). Grammaticality, paraphrase, and imagery. In S. Greenbaum (
Ed. ), Acceptability in language (pp. 87-101). The Hague: Mouton. -
Zwanenburg, W., Ouweneel, G. R. E., & Levelt, W. J. M. (1977). La frontière du mot en français. Studies in Language, 1, 209-221.
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Levelt, W. J. M. (1965). Binocular brightness averaging and contour information. British Journal of Psychology, 56, 1-13.
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Levelt, W. J. M. (1965). On binocular rivalry. PhD Thesis, Van Gorcum, Assen.
Abstract
PHD thesis, defended at the University of Leiden -
Plomp, R., & Levelt, W. J. M. (1965). Tonal consonance and critical bandwidth. Journal of the Acoustical Society of America, 38, 548-560. doi:10.1121/1.1909741.
Abstract
Firstly, theories are reviewed on the explanation of tonal consonance as the singular nature of tone intervals with frequency ratios corresponding with small integer numbers. An evaluation of these explanations in the light of some experimental studies supports the hypothesis, as promoted by von Helmholtz, that the difference between consonant and dissonant intervals is related to beats of adjacent partials. This relation was studied more fully by experiments in which subjects had to judge simple-tone intervals as a function of test frequency and interval width. The results may be considered as a modification of von Helmholtz's conception and indicate that, as a function of frequency, the transition range between consonant and dissonant intervals is related to critical bandwidth. Simple-tone intervals are evaluated as consonant for frequency differences exceeding this bandwidth. whereas the most dissonant intervals correspond with frequency differences of about a quarter of this bandwidth. On the base of these results, some properties of consonant intervals consisting of complex tones are explained. To answer the question whether critical bandwidth also plays a rôle in music, the chords of two compositions (parts of a trio sonata of J. S. Bach and of a string quartet of A. Dvorák) were analyzed by computing interval distributions as a function of frequency and number of harmonics taken into account. The results strongly suggest that, indeed, critical bandwidth plays an important rôle in music: for a number of harmonics representative for musical instruments, the "density" of simultaneous partials alters as a function of frequency in the same way as critical bandwidth does.
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