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Towards the acquisition of a sensorimotor vocal tract action repository within a neural model of speech processing
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In: http://www.phonetik.phoniatrie.rwth-aachen.de/bkroeger/documents/Kroeger_etal_2011_LNCS_b.pdf (2011)
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A visual articulatory model and its application to therapy of speech disorders : a pilot study [Online resource]
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In: Speech production and perception : experimental analyses and models / editors Susanne Fuchs, Pascal Perrier and Bernd Pompino-Marschall, Zentrum für Allgemeine Sprachwissenschaft, Sprachtypologie und Universalienforschung (Berlin): ZAS papers in linguistics ; Vol. 40 (2005) 40 (2005), 79-94
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Linguistik-Repository
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Categorical perception of consonants and vowels: evidence from a neurophonetic model of speech production and perception
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In: http://www.vocaltractlab.de/publications/kroeger-2011-lncs.pdf
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Abstract:
Abstract. While the behavioral side of categorical perception in speech is already well investigated, little is known concerning its underlying neural mechanisms. In this study, a computer-implemented neurophonetic model of speech production and perception is used in order to elucidate the functional neural mechanisms responsible for categorical perception. 20 instances of the model ("virtual listeners/speakers") underwent a speech acquisition training procedure and then performed behavioral tests, i.e. identification and discrimination experiments based on vocalic and CV-syllabic speech stimuli. These virtual listeners showed the expected behavioral results. The inspection of the neural organization of virtual listeners indicated clustering in the case of categorical perception and no clustering in the case of non-categorical (continuous) perception for neurons representing the stimuli. These results highlight a possible neural organization underlying categorical and continuous perception.
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URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1090.8067 http://www.vocaltractlab.de/publications/kroeger-2011-lncs.pdf
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