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Highlights: [•] I discuss the question whether particular phonological units are innate or acquired. [•] I show that both markedness and faithfulness constraints can be acquired. [•] I integrate generative and usage-based approaches to language. [Copyright &y& Elsevier]

Experimental evidence suggests that syllable-final devoicing is often ‘incomplete’: devoiced obstruents are phonetically subtly different from underlyingly voiceless ones, and speakers are sensitive to these differences. While it has been suggested in the literature that these results cause severe problems to formal theories of phonology, this article argues that we only need a three-way distinction at the end of the phonological derivation between voiced, voiceless and devoiced. It is shown how this distinction follows naturally from a Containment-based view of input–output relations within the framework of Optimality Theory. [Copyright &y& Elsevier]

This article investigates the learnability filter (LF) hypothesis, according to which the set of logically possible grammars predicted by linguistic theory is reduced to a proper subset of learnable grammars by external principles of language learning. Antifaithfulness constraints (Alderete, 2001a) provide a linguistic theory that predicts the existence of circular chain shifts of two segment types, including purely phonological exchanges that are unattested cross-linguistically (Anderson and Browne, 1973). Overt data representing such systems are fed into a standard OT learning model in which learners have IO-antifaithfulness constraints at their disposal. Despite this evidence and these constraints, learners always select grammars in which segmental exchanges are restricted to morphologically defined environments, consistent with typological findings. These results are shown to have implications for the nature of constraints in Optimality Theory, the correct analysis of morpho-phonological alternations, and a host of representational assumptions in phonology and morphology. [Copyright &y& Elsevier]

This paper examines morphophonological alternations involving apicoalveolar tap-consonant clusters in Urban East Norwegian from the framework of gestural Optimality Theory. Articulatory Phonology provides an insightful explanation of patterns of vowel intrusion, coalescence, and rhotic deletion in terms of the temporal coordination of consonantal gestures, which interacts with both prosodic and morphological structure. An alignment-based account of derived-environment effects is proposed in which complete overlap in rhotic-consonant clusters is blocked within morphemes but not across morpheme or word boundaries. Alignment constraints on gestural coordination also play a role in phonologically conditioned allomorphy. The gestural analysis is contrasted with alternative Optimality-theoretic accounts. Furthermore, it is argued that models of the phonetics–phonology interface which view timing as a low-level detail of phonetic implementation incorrectly predict that input morphological structure should have no effect on gestural coordination. The patterning of rhotic-consonant clusters in Norwegian is consistent with a model that includes gestural representations and constraints directly in the phonological grammar, where underlying morphological structure is still visible. On the assumption that Universal Grammar lacks faithfulness constraints on input timing, the phonology is free to include non-contrastive phonetic detail such as intersegmental gestural coordination without the danger of overgenerating impossible contrasts. [Copyright &y& Elsevier]

Abstract: One of the most important insights of Optimality Theory (Prince and Smolensky, 1993) is that phonological processes can be reduced to the interaction between faithfulness and universal markedness principles. In the most constrained version of the theory, all phonological processes should be thus reducible. This hypothesis is tested by alternations that appear to be phonological but in which universal markedness principles appear to play no role. If we are to pursue the claim that all phonological processes depend on the interaction of faithfulness and markedness, then processes that are not dependent on markedness must lie outside phonology. In this paper I will examine a group of such processes, the initial consonant mutations of the Celtic languages, and argue that they belong entirely to the morphology of the languages, not the phonology. [Copyright &y& Elsevier]

Abstract: This article adopts the perspective of Optimality Theory (OT) to address the question whether phonology and syntax are equally autonomous. We show that OT enjoys the same advantages and encounters the same problems in syntax as in phonology; this suggests that markedness plays an equally important rôle in both components of language. Most markedness constraints, however, are clearly grounded: although they refer to specifically linguistic categories (self-containment), they typically display some degree of functional adaptation to the demands of performance (nonarbitrariness). In consequence, phonology and syntax should be expected to be grounded to a similar degree. Pace, however, the postulation of grounded markedness constraints in the theory of grammar does not violate Ockham''s Razor. In particular, we show that markedness cannot be equated with performance difficulty, and we demonstrate that infants require knowledge of markedness during language acquisition in order to transcend the limitations of inductive generalization. However, this does not necessarily imply that knowledge of markedness is innate; we argue, rather, that most markedness constraints may in fact emerge in the course of linguistic development through the child''s monitoring of her own performance. [Copyright &y& Elsevier]

0It is one of the most basic generalizations in phonology that only certain sets of sounds pattern together in phonological processes. These sets are referred to as natural classes. This paper develops a new analysis of the natural class generalization, formulated in terms of Optimality Theory. It is shown that natural classes derive from the nature of the set of markedness constraints. For example, sounds can pattern together as a natural class if they violate markedness constraints in the same environment, so given constraints *XA and *XB A and B can form a natural class. As a result the range of possible natural classes depends on the inventory of constraints, not on the feature set. This analysis is shown to have empirical advantages over the standard account according to which natural classes are characterized purely in terms of features. [ABSTRACT FROM AUTHOR]