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Front. Psychol. | doi: 10.3389/fpsyg.2021.680889

Durational differences of word-final /s/ emerge from the lexicon: Modelling morpho-phonetic effects in pseudowords with linear discriminative learning Provisionally accepted The final, formatted version of the article will be published soon. Notify me

  • 1English Language and Linguistics, Heinrich Heine University of Düsseldorf, Germany
  • 2Linguistics and Information Science, Heinrich Heine University of Düsseldorf, Germany

Recent research has shown that seemingly identical suffixes such as word-final /s/ in English show systematic differences in their phonetic realizations. Most recently, durational differences between different types of /s/ have been found to also hold for pseudowords: the duration of /s/ is longest in non-morphemic contexts, shorter with suffixes, and shortest in clitics. At the theoretical level such systematic differences are unexpected and unaccounted for in current theories of speech production. Following a recent approach, we implemented a linear discriminative learning network trained on real word data in order to predict the duration of word-final non-morphemic and plural /s/ in pseudowords using production data by a previous production study. It is demonstrated that the duration of word-final /s/ in pseudowords can be predicted by LDL networks trained on real word data. That is, duration of word-final /s/ in pseudowords can be predicted based on their relations to the lexicon.

Keywords: morphology, speech production, Linear discriminative learning, Computational modelling, pseudoword paradigm, subphonemic differences

Received: 15 Mar 2021; Accepted: 24 Jun 2021.

Copyright: © 2021 Schmitz, Plag, Baer-Henney and Stein. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence:
Mr. Dominic Schmitz, Heinrich Heine University of Düsseldorf, English Language and Linguistics, Düsseldorf, Germany,
Dr. Dinah Baer-Henney, Heinrich Heine University of Düsseldorf, Linguistics and Information Science, Düsseldorf, 40225, North Rhine-Westphalia, Germany,