It has been claimed that the long established neutralization of the voicing distinction in domain final position in German is phonetically incomplete. However, various studies leading to this claim have been criticized in terms of their methodology. In three production experiments and one perception experiment we address these methodological criticisms. In the first production study, we address the role of orthography. In a large scale auditory task using pseudowords, we confirm that neutralization is indeed incomplete and suggest that previous null results may simply be due to lack of statistical power. In two follow-up production studies (experiments 2 and 3), we rule out a potential confound of experiment 1, namely that the effect might be due to accommodation to the presented auditory stimuli. Here we bias the auditory stimuli against the phenomenon by manipulating the duration of the preceding vowel. While experiment 2 replicated our findings, experiment 3 failed to replicate incomplete neutralization statistically, even though we found numerical tendencies into the expected direction. Finally, in a perception study (experiment 4), we demonstrate that the subphonemic differences between final voiceless and "devoiced" stops are audible, but only barely so. Even though the present findings provide evidence for incomplete neutralization, the small effect sizes obtained further highlight the limits of investigating incomplete neutralization emphasizing the limited importance of this phenomenon for everyday speech communication. We argue that without postulating functional relevance, incomplete neutralization can be accounted for by recent models of lexical organization and is compatible with formal phonological models that entertain unpronounced projection relations.
Despite the robustness of the spatial-numerical association of response codes (SNARC) and linguistic markedness of response codes (MARC) effect, the mechanisms that underlie these effects are still under debate. In this paper, we investigate the extraction of quantity information from German number words and nouns inflected for singular and plural using two alternative forced choice paradigms. These paradigms are applied to different tasks to investigate how access to quantity representation is modulated by task demands. In Experiment 1, we replicated previous SNARC findings for number words-that is, a relative left-hand advantage for words denoting small numbers and a right-hand advantage for words denoting large numbers in semantic tasks (parity decision and quantity comparison). No SNARC effect was obtained for surface or lexical processing tasks (font categorization and lexical decision). In Experiment 2, we found that German words inflected for singular had a relative left-hand advantage, and German words inflected for plural a relative right-hand advantage, showing a SNARC-like effect for grammatical number. The effect interfered, however, with a MARC-like effect based on the markedness asymmetry of singulars and plurals. These two effects appear to be dissociated by response latency rather than task demands, with MARC being more pronounced in early responses and SNARC being more pronounced in late responses. The present findings shed light on the relationship of conceptual number and grammatical number and constrain current accounts of the SNARC and MARC effects.
Intonation plays an integral role in comprehending spoken language. Listeners can rapidly integrate intonational information to predictively map a given pitch accent onto the speaker's likely referential intentions. We use mouse tracking to investigate two questions: (a) how listeners draw predictive inferences based on information from intonation? and (b) how listeners adapt their online interpretation of intonational cues when these are reliable or unreliable? We formulate a novel Bayesian model of rational predictive cue integration and explore predictions derived under a concrete linking hypothesis relating a quantitative notion of evidential strength of a cue to the moment in time, relative to the unfolding speech signal, at which mouse trajectories turn towards the eventually selected option. In order to capture rational belief updates after concrete observations of a speaker's behavior, we formulate and explore an extension of this model that includes the listener's hierarchical beliefs about the speaker's likely production behavior. Our results are compatible with the assumption that listeners rapidly and rationally integrate all available intonational information, that they expect reliable intonational information initially, and that they adapt these initial expectations gradually during exposition to unreliable input. All materials, data, and scripts can be retrieved here: https://osf.io/dnbuk/
The detrimental effect of stimulation on the speech motor system can be quantified using acoustic measures at the subsyllabic level.
The study of the acoustic correlates of word stress has been a fruitful area of phonetic research since the seminal research on American English by Dennis Fry over 50 years ago. This paper presents results of a cross-linguistic survey designed to distill a clearer picture of the relative robustness of different acoustic exponents of what has been referred to as word stress. Drawing on a survey of 110 (sub-) studies on 75 languages, we discuss the relative efficacy of various acoustic parameters in distinguishing stress levels.
International audienceThe placement of F0 peaks in Tashlhiyt Berber is highly variable, both within and across speakers, even across repetitions of the same target sentence. We show that peak placement is determined by a number of competing factors: in addition to a general tendency for the peak to be placed on the rightmost syllable – a tendency that is stronger in questions than in statements – the peak is attracted to the syllable with the most sonorous nucleus and preferentially to heavy syllables. Moreover, in words consisting entirely of obstruents, there are three possible intonation patterns: no F0 peak at all, an anticipated peak (before the target word) or a peak on a vocoid between two obstruents. The F0 peak is analysed phonologically as a H tone that is either associated with a postlexically determined syllable or, if the syllable is not tone-bearing, aligned with the edge of the larger domain
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