Abstract

Abstract:

Much progress has been made in the last 200 years with regard to understanding the origins and mechanisms of sound change. It is hypothesized that many sound changes originate in biomechanical constraints on speech production or in the misperception of sounds. These production and perception pressures explain a wide range of sound changes across the world’s languages, yet we also know that sound change is not inevitable. For example, similar phonological structures have undergone change in many languages yet remained stable in others. In this study, we examine how typologically unusual contrasts are maintained in the face of intense pressures, in order to uncover the potential biomechanical, perceptual, and sociolinguistic factors that facilitate the maintenance of typologically unusual contrasts. We focus on secondary articulation contrasts in Scottish Gaelic rhotics, triangulating auditory, acoustic, and articulatory data in order to better understand the maintenance of contrast in the face of multidimensional typological challenges. Here, individual-level articulatory strategies are combined with contextual prosodic information in order to maintain acoustic and auditory distinctiveness across three rhotic phonemes. We highlight the need to more comprehensively consider typologically unusual and minority languages in order to test the limits of generalizations about crosslinguistic phonetic typology.

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