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Open Access Publications from the University of California

Linguistics Department

UC San Diego

Journal Articles and Conference Proceedings Papers

Phonation Type

(2026)

Phonation types have been central to major topics in phonological theory, from questions about the internal structure of segments, to what should count as a segment in the first place, and to the role of phonetics in phonology. Phonation types are phonetically and phonologically related to other laryngeal and pharyngeal features (tone, tongue root, glottal consonants, registers), to the point where it can be hard even to distinguish phonation type as a separate type of contrast. I touch on these issues and provide readers with questions that I hope can be addressed in future work.

Cover page of Richard Montague’s Turn Towards Natural Language

Richard Montague’s Turn Towards Natural Language

(2026)

Richard Montague (1930–1971) is known as a founding figure of natural language semantics, i.e., the formal study of the semantics of natural languages by means of tools from mathematical logic. Less well known is that Montague maintained a strongly skeptical view on the possibility of a systematic logico-philosophical analysis of natural language for most of his short life, adhering to the then-common belief that natural languages are fundamentally different from the languages of logic. Completely unknown, until now, has been how Montague underwent a 180-degree turn in the last few years of his life, in the late 1960s, and pioneered a precise formal analysis of the syntax and semantics of fragments of English in three seminal papers that established the research framework, the methodology, and the formal tools for the new field of study. I provide a precise and documented answer to when, where, and how Montague’s intellectual turn occurred and how it relates to Montague’s previous research interests and work.

Argument ordering in simple sentences is affected by age of first language acquisition: Evidence from late first language signers of ASL

(2026)

Research on the language acquisition of deaf individuals who are exposed to accessible linguistic input at a variety of ages has provided evidence for a sensitive period of first language acquisition. Recent studies have shown that deaf individuals who first learn language after early childhood, late first-language learners (LL1), do not comprehend reversible Subject-Verb-Object (SVO) sentences. The present study analyzed 478 signed productions elicited with pictures depicting simple events with one or two arguments by 28 signers. The argument order patterns of native signers converged with one another and the word order patterns of American Sign Language (ASL). By contrast, the ordering patterns of the LL1 signers did not converge with one another or with the patterns of the native signers. This indicates that early childhood is a period of heightened sensitivity to basic word order and may help explain why complex structures are difficult for LL1 signers to learn.

Production of real signs but not pseudosigns affected by age of acquisition in American Sign Language

(2025)

Research shows that insufficient language access in early childhood significantly affects language processing. While the majority of this work focuses on syntax, phonology also appears to be affected, though it is unclear exactly how. Here we investigated phonological production across age of acquisition of American Sign Language (ASL). Participants were deaf adult signers who first learned ASL at ages ranging from birth to 14 years and they performed both lexical decisions and repetitions of ASL signs and pseudosigns. Because phonological production has been understudied across age of acquisition, we were particularly interested in production accuracy for the sublexical phonological parameters of handshape, movement, and location. Lexical decision responses were slower and more accurate for impossible pseudosigns compared with possible pseudosigns, indicating participants were sensitive to ASL phonological structure regardless of age of acquisition. Despite this, age of acquisition affected repetition accuracy. Handshape errors were highest for those with earlier ages of acquisition, but movement errors were highest for those with later ages of acquisition, though this effect of age of acquisition was only seen for real ASL signs and not pseudosigns. The parameter error pattern for pseudosigns was not affected by age of acquisition. These results indicate that later age of acquisition does not inhibit the ability to produce ASL phonology but ultimately alters the processing of the phonological parameters when meaning and phonology are integrated.

An embodied multi-articulatory multimodal language framework: A commentary on Karadöller, Sümer and Özyürek

(2025)

While many researchers working in spoken languages have used modality to distinguish language and gesture, this is not possible for sign language researchers. We argue that co-sign gestures must be considered alongside co-speech gestures in theories of language acquisition. Focusing on how the same function is served in embodied communication in speech and embodied communication in sign promotes a truly multimodal view of language acquisition. An embodied multi-articulatory multimodal framework is needed to make broader claims about language acquisition.

A formal typology of process interactions

(2024)

Some phonologically significant generalizations result from processes, often formalized as rewrite rules, while others result from interactions among independently motivated processes, often formalized in terms of serial ordering. We adopt these general formalizations of processes and interactions to address two questions. One is the interaction question: what are all the possible forms of interaction between two processes? The other is the opacity question: what makes an interactions between two processes opaque? We show that these questions are best addressed with a rigorous algebraic formalization of processes and their pairwise interactions, describing the complete formal typology of process interactions and identifying the formal properties of those interactions that lead to different types of opacity.

Weak determinism and the computational consequences of interaction

(2024)

Abstract: Recent work has claimed that (non-tonal) phonological patterns are subregular (Heinz 2011a,b, 2018; Heinz and Idsardi 2013), occupying a delimited proper subregion of the regular functions—the weakly deterministic (WD) functions (Heinz and Lai 2013; Jardine 2016). Whether or not it is correct (McCollum et al. 2020a), this claim can only be properly assessed given a complete and accurate definition of WD functions. We propose such a definition in this article, patching unintended holes in Heinz and Lai’s (2013) original definition that we argue have led to the incorrect classification of some phonological patterns as WD. We start from the observation that WD patterns share a property that we call unbounded semiambience, modeled after the analogous observation by Jardine (2016) about non-deterministic (ND) patterns and their unbounded circumambience. Both ND and WD functions can be broken down into compositions of deterministic (subsequential) functions (Elgot and Mezei 1965; Heinz and Lai 2013) that read an input string from opposite directions; we show that WD functions are those for which these deterministic composands do not interact in a way that is familiar from the theoretical phonology literature. To underscore how this concept of interaction neatly separates the WD class of functions from the strictly more expressive ND class, we provide analyses of the vowel harmony patterns of two Eastern Nilotic languages, Maasai and Turkana, using bimachines, an automaton type that represents unbounded bidirectional dependencies explicitly. These analyses make clear that there is interaction between deterministic composands when (and only when) the output of a given input element of a string is simultaneously dependent on information from both the left and the right: ND functions are those that involve interaction, while WD functions are those that do not.

Overapplication Conversion

(2018)

This squib sheds light on the relationship between two types of overapplication opacity, counterbleeding and self-destructive feeding, by demonstrating how one can be formally converted into the other. This demonstration further clarifies the relation between self-destructive feeding and cross-derivational feeding interactions, which have also been identified as involving overapplication opacity (Baković, 2007; 2011).

Cover page of Apparent ‘sufficiently similar’ degemination in Catalan is due to coalescence

Apparent ‘sufficiently similar’ degemination in Catalan is due to coalescence

(2017)

Cameron et al. (2010) and Fruehwald & Gorman (2011) present the pattern of homorganic consonant cluster reduction in Catalan as a challenge to Baković’s (2005) theory of antigemination, which predicts that any feature ignored in the determination of consonant identity for the purposes of antigemination in a given language must independently assimilate in that language. I argue that the pattern in Catalan is not a counterexample to this prediction if the reduction process is analyzed as coalescence, following Wheeler (2005), rather than as deletion.

Cover page of Language-to-music transfer effects depend on the tone language: Akan vs. East Asian tone languages

Language-to-music transfer effects depend on the tone language: Akan vs. East Asian tone languages

(2023)

Recent research suggests that speaking a tone language confers benefits in processing pitch in nonlinguistic contexts such as music. This research largely compares speakers of nontone European languages (English, French) with speakers of tone languages in East Asia (Mandarin, Cantonese, Vietnamese, Thai). However, tone languages exist on multiple continents—notably, languages indigenous to Africa and the Americas. With one exception (Bradley, Psychomusicology, 26(4), 337–345, 2016), no research has assessed whether these tone languages also confer pitch processing advantages. Two studies presented a melody change detection task, using quasirandom note sequences drawn from Western major scale tone probabilities. Listeners were speakers of Akan, a tone language of Ghana, plus speakers from previously tested populations (nontone language speakers and East Asian tone language speakers). In both cases, East Asian tone language speakers showed the strongest musical pitch processing, but Akan speakers did not exceed nontone speakers, despite comparable or better instrument change detection. Results suggest more nuanced effects of tone languages on pitch processing. Greater numbers of tones, presence of contour tones in a language’s tone inventory, or possibly greater functional load of tone may be more likely to confer pitch processing benefits than mere presence of tone contrasts.