Harnsberger2001a - On the relationship between identication...

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On the relationship between identification and discrimination of non-native nasal consonants James D. Harnsberger a) Department of Linguistics, University of Michigan, 1076 Frieze Building, Ann Arbor, Michigan 48109 ~ Received 16 August 2000; accepted for publication 20 March 2001 ! To examine the relationship between the identification and discrimination of non-native sounds, nasal consonants varying in place of articulation from Malayalam, Marathi, and Oriya were presented in two experiments to seven listener groups varying in their native nasal consonant inventory: Malayalam, Marathi, Punjabi, Tamil, Oriya, Bengali, and American English. The experiments consisted of a categorial AXB discrimination test and a forced-choice identification test with category goodness ratings. The identification test results were used to classify the non-native contrasts as one of five ‘‘assimilation types’’ of the Perceptual Assimilation Model ~ PAM ! that are predicted to vary in their relative discriminability: two-category ~ TC ! , uncategorizable– categorizable ~ UC ! , both uncategorizable ~ UU ! , category-goodness ~ CG ! , and single-category ~ SC ! . The results showed that the mean percent correct discrimination scores of the assimilation types, but not the range of scores, were accurately predicted. Furthermore, differences in category goodness ratings in the CG and SC assimilations that were predicted to correlate with discrimination showed a weak, but significant correlation ~ r 5 0.31, p , 0.05 ! . The implications of the results for models of cross-language speech perception were discussed, and an alternative model of cross-language speech perception was outlined, in which the discriminability of non-native contrasts is a function of the similarity of non-native sounds to each other in a multidimensional, phonologized perceptual space. © 2001 Acoustical Society of America. @ DOI: 10.1121/1.1371758 # PACS numbers: 43.71.An, 43.71.Hw @ KRK # I. INTRODUCTION A. Background Cross-language speech perception research has shown that listeners’ abilities to discriminate some non-native con- trasts can be constrained by the phonemic distinctions em- ployed in their native language ~ Abramson and Lisker, 1970; Miyawaki et al. , 1975; Werker et al. , 1981 ! . The effect of linguistic experience has also been shown to vary depending on the non-native contrast and listener group in question. For instance, Polka ~ 1991 ! and Pruitt ~ 1995 ! have demonstrated that the discriminability of Hindi dental-retroflex stop con- trasts for American English listeners can vary significantly as a function of voicing or manner class, despite the fact that American English listeners have only a single native cat- egory /t/ or /d/ that corresponds to these contrasts. Several factors have been proposed to account for this variation in the discriminability of non-native contrasts, such as the psy- chophysical salience of the contrast ~ Sheldon and Strange, 1982; Burnham, 1986; Polka, 1991 ! ; a listener’s general ex- perience with features employed in the contrast ~ Werker et al. , 1981; Polka, 1992 ! ; the effect of allophonic variants,
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This note was uploaded on 10/22/2011 for the course LIN 4930 taught by Professor Habib,r during the Spring '08 term at University of Florida.

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Harnsberger2001a - On the relationship between identication...

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