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While the perilinguistic child is endowed with predispositions for the categorical perception of phonetic features, their adaptation to the native language results from a long evolution from the end of the first year of age up to the adolescence. This evolution entails both a better discrimination between phonological categories, a concomitant reduction of the discrimination between within-category variants, and a higher precision of perceptual boundaries between categories. The first objective of the present study was to assess the relative importance of these modifications by comparing the perceptual performances of a group of 11 children, aged from 8 to 11 years, with those of their mothers. Our second objective was to explore the functional implications of categorical perception by comparing the performances of a group of 8 deaf children, equipped with a cochlear implant, with normal-hearing chronological age controls. The results showed that the categorical boundary was slightly more precise and that categorical perception was consistently larger in adults vs. normal-hearing children. Those among the deaf children who were able to discriminate minimal distinctions between syllables displayed categorical perception performances equivalent to those of normal-hearing controls. In conclusion, the late effect of age on the categorical perception of speech seems to be anchored in a fairly mature phonological system, as evidenced the fairly high precision of categorical boundaries in pre-adolescents. These late developments have functional implications for speech perception in difficult conditions as suggested by the relationship between categorical perception and speech intelligibility in cochlear implant children.
The goal of our current project is to build a system that can learn to imitate a version of a spoken utterance using an articulatory speech synthesiser. The approach is informed and inspired by knowledge of early infant speech development. Thus we expect our system to reproduce and exploit the utility of infant behaviours such as listening, vocal play, babbling and word imitation. We expect our system to develop a relationship between the sound-making capabilities of its vocal tract and the phonetic/phonological structure of imitated utterances. At the heart of our approach is the learning of an inverse model that relates acoustic and motor representations of speech. The acoustic to auditory mappings uses an auditory filter bank and a self-organizing phase of learning. The inverse model from auditory to vocal tract control parameters is estimated using a babbling phase, in which the vocal tract is essentially driven in a random manner, much like the babbling phase of speech acquisition in infants. The complete system can be used to imitate simple utterances through a direct mapping from sound to control parameters. Our initial results show that this procedure works well for sounds generated by its own voice. Further work is needed to build a phonological control level and achieve better performance with real speech.
The article addresses the growing importance of corpus-based research in the field of German foreign language acquisition. German corpora in general and learner corpora in particular are briefly introduced. A short overview of existing German learner corpora is followed by a detailed description of the error-annotated learner corpus Falko, a learner corpus of advanced learner German, which is accessible via internet (without any prior registration) and free of charge. Finally, a short example analysis demonstrates some of the functionalities of Falko. The aim of the article is to encourage researchers to employ corpora as helpful tools in their own work.
This paper deals with the possessive constructions — either connective or relative — in Mbochi (C25), a Bantu language spoken in Congo-Brazzaville. In Mbochi, as in most languages of the same group (C20), the underlying /CV-/ form of nominal prefixes never surfaces as such but is targeted by two main processes: consonantal dissimilation and vowel elision. Both processes are in complementary distribution and the alternations triggered by them may explain the surface forms of both connective and relative constructions. In order to provide the necessary background for the study of Mbochi relative clauses, the three subject markers of Mbochi are introduced and the main verbal suffixes are also discussed. Thereafter, a detailed presentation and analysis of the relative constructions is given. Finally, we discuss the prosody of these constructions, showing that relative clauses in Mbochi have no particular tonal markers and we propose a model involving superimposed boundary tones to account for their intonation.
Ziel dieses Artikels ist es, allgemeine Frage- und Problemstellungen bei der Untersuchung des Phänomens Fokus in ausgewählten Gur- und Kwasprachen vorzustellen, d.h. unsere Forschungsvorhaben kurz zu skizzieren, ohne dass wir bereits auf Ergebnisse eingehen können. Dieser Aufsatz gibt einen Überblick über das Forschungsfeld, damit verbundene Problemstellungen und die von uns anvisierten Aufgaben und Methoden: - Was verstehen wir unter Fokus? - Warum sind die Gur- und Kwasprachen für diese Untersuchung von Relevanz? - Welche Korrelationen lassen sich zwischen Struktur und semantisch/pragmatischen Merkmalen erkennen? - Welche Entwicklung haben Fokusstrukturen genommen? - Welche methodischen Grundlagen liegen unseren Untersuchungen zugrunde?
Simplicity as a methodological orientation applies to linguistic theory just as to any other field of research: ‘Occam’s razor’ is the label for the basic heuristic maxim according to which an adequate analysis must ultimately be reduced to indispensible specifications. In this sense, conceptual economy has been a strict and stimulating guideline in the development of Generative Grammar from the very beginning. Halle’s (1959) argument discarding the level of taxonomic phonemics in order to unify two otherwise separate phonological processes is an early characteristic example; a more general notion is that of an evaluation metric introduced in Chomsky (1957, 1975), which relates the relative simplicity of alternative linguistic descriptions systematically to the quest for explanatory adequacy of the theory underlying the descriptions to be evaluated. Further proposals along these lines include the theory of markedness developed in Chomsky and Halle (1968), Kean (1975, 1981), and others, the notion of underspecification proposed e.g. in Archangeli (1984), Farkas (1990), the concept of default values and related notions. An important step promoting this general orientation was the idea of Principles and Parameters developed in Chomsky (1981, 1986), which reduced the notion of language particular rule systems to universal principles, subject merely to parametrization with restricted options, largely related to properties of particular lexical items. On this account, the notion of a simplicity metric is to be dispensed with, as competing analyses of relevant data are now supposed to be essentially excluded by the restrictive system of principles.
Li Fang-Kuei (1902-1987)
(2006)
Fang-Kuei Li was one of the foremost scholars of Thai and Sino-Tibetan studies and a major contributor to Amerind studies. Born in China, he was one of the early scholars sent to the United States to study. He had developed an interest in language while learning English, Latin, and German as part of his studies in China, and so he decided to study linguistics in the United States. In 1924, he went to the University of Michigan at Ann Arbor, receiving his B.A. 2 years later, then moved to the University of Chicago, where he received his M.A. and Ph.D., studying with Edward Sapir, Leonard Bloomfield, and Carl Darling Buck.
Die Geschichte der Beziehungen zwischen Literaturwissenschaft und Linguistik im Rahmen der Germanistik in den letzten 50 Jahren ist durchaus wechselvoll: einer zunehmenden Abkühlung, ja Entfremdung auf der einen Seite steht auf der anderen das wachsende Interesse an gemeinsam fruchtbar zu beackernden Arbeitsfeldern gegenüber. Ein Streifzug durch die Jahrgänge der Siegener Zeitschrift für Literaturwissenschaft und Linguistik (LiLi) seit den frühen 70er Jahren gibt davon ebenso Zeugnis wie aktuelle Projekte kritischer Kooperation (Kasten/Neuland/Schönert 1997, Hoffmann/Kessler Hrsg. 2003) oder der Versuch einer wissenschaftsgeschichtlichen Aufarbeitung des Verhältnisses der beiden Fächer durch das Marbacher Literaturarchiv (Haß/König Hrsg. 2003). Im folgenden Beitrag wird ein kurzer Blick auf die diesbezügliche Situation in der Schweiz geworfen und ein konzeptueller Zugriff auf mögliche Berührungspunkte exemplarisch skizziert.