A number of recent papers have demonstrated the advantages of using a phonological model incorporating the timing and magnitude of articulatory gestures to account for alternations involving segments such as the English nasals, liquids and glides (e.g. Krakow 1989, Browman & Goldstein 1992, 1995, Sproat & Fujimura 1993, Gick, in press). Some of these works (McMahon et al. 1994, McMahon & Foulkes 1995) have made specific reference to the well-known phenomenon of English intrusive r, shown in (1).
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However, previous analyses have not linked the intrusive r explicitly to other similar processes, nor viewed all of these processes as the natural results of more general principles of phonological organisation. Thus, the intrusive r has remained, in the eyes of most linguists, an isolated quirk of English history, or, as one phonologist (McCarthy 1993: 191) has called it, ‘the phonologically unnatural phenomenon of r-epenthesis’.
The present paper introduces into the discussion of intrusive r a recently documented related phenomenon known as intrusive l (Gick 1991, 1997, in preparation, Miller 1993). It is argued that these new facts, in conjunction with current advances in the understanding of articulatory factors in syllable structure, support a view in which the intrusive r and l are synchronically underlyingly present.