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Levelt, W. J. M. (2018). Is language natural to man? Some historical considerations. Current Opinion in Behavioral Sciences, 21, 127-131. doi:10.1016/j.cobeha.2018.04.003.
Abstract
Since the Enlightenment period, natural theories of speech and language evolution have florished in the language sciences. Four ever returning core issues are highlighted in this paper: Firstly, Is language natural to man or just an invention? Secondly, Is language a specific human ability (a ‘language instinct’) or does it arise from general cognitive capacities we share with other animals? Thirdly, Has the evolution of language been a gradual process or did it rather suddenly arise, due to some ‘evolutionary twist’? Lastly, Is the child's language acquisition an appropriate model for language evolution? -
Levelt, W. J. M. (1976). Formal grammars and the natural language user: A review. In A. Marzollo (
Ed. ), Topics in artificial intelligence (pp. 226-290). Vienna: Springer. -
Levelt, W. J. M., Schreuder, R., & Hoenkamp, E. (1976). Struktur und Gebrauch von Bewegungsverben. Zeitschrift für Literaturwissenschaft und Linguistik, 6(23/24), 131-152.
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Levelt, W. J. M., & Kempen, G. (1976). Taal. In J. Michon, E. Eijkman, & L. De Klerk (
Eds. ), Handboek der Psychonomie (pp. 492-523). Deventer: Van Loghum Slaterus. -
Stassen, H., & Levelt, W. J. M. (1976). Systemen, automaten en grammatica's. In J. Michon, E. Eijkman, & L. De Klerk (
Eds. ), Handboek der psychonomie (pp. 100-127). Deventer: Van Loghum Slaterus. -
De Weert, C., & Levelt, W. J. M. (1976). Comparison of normal and dichoptic colour mixing. Vision Research, 16, 59-70. doi:10.1016/0042-6989(76)90077-8.
Abstract
Dichoptic mixtures of equiluminous components of different wavelengths were matched with a binocularly presented "monocular" mixture of appropriate chosen amounts of the same colour components. Stimuli were chosen from the region of 490-630 nm. Although satisfactory colour matches could be obtained, dichoptic mixtures differed from normal mixtures to a considerable extent. Midspectral stimuli tended to be more dominant in the dichoptic mixtures than either short or long wavelength stimuli. An attempt was made to describe the relation between monocular and dichoptic mixtures with one function containing a wavelength variable and an eye dominance parameter. -
De Weert, C., & Levelt, W. J. M. (1976). Dichoptic brightness combinations for unequally coloured lights. Vision Research, 16, 1077-1086.
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Levelt, W. J. M. (1966). Generatieve grammatica en psycholinguïstiek I: Inleiding in de generatieve grammatica. Nederlands Tijdschrift voor de Psychologie en haar Grensgebieden, 21, 317-337.
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Levelt, W. J. M. (1966). Generatieve grammatica en psycholinguïstiek II. Psycholinguïstisch onderzoek. Nederlands Tijdschrift voor de Psychologie en haar Grensgebieden, 21, 367-400.
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Levelt, W. J. M., & Plomp, R. (1966). Les dimensions dans la perception des intervalles musicaux. Sciences de l'art, 3, 172-182.
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Levelt, W. J. M. (1966). The alternation process in binocular rivalry. British Journal of Psychology, 57(3/4), 225-238.
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Levelt, W. J. M. (1966). Some demonstrations of the complementary functioning of the eyes. Perception & Psychophysics, 1, 39-40.
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Levelt, W. J. M. (1966). The perceptual conflict in binocular rivalry. In M. A. Bouman (
Ed. ), Studies in perception: Dedicated to M.A. Bouman (pp. 47-60). Soesterberg: Institute for Perception RVO-TNO. -
Levelt, W. J. M., Van de Geer, J. P., & Plomp, R. (1966). Triadic comparisons of musical intervals. British Journal of Mathematical & Statistical Psychology, 19(2), 163-179.
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Plomp, R., & Levelt, W. J. M. (1966). Perception of tonal consonance. In M. A. Bouman (
Ed. ), Studies in Perception - dedicated to M.A. Bouman (pp. 105-118). Soesterberg: Institute for Perception RVO-TNO.
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