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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Page: 1 2 3 Hits 1 – 20 of 50 1 The trans-ancestral genomic architecture of glycemic traits Chen, J; Spracklen, CN; Marenne, G. - : Nature Research, 2021 BASE Show details 2 The trans-ancestral genomic architecture of glycemic traits. Chen, J; Spracklen, CN; Marenne, G. - 2021 BASE Show details 3 The trans-ancestral genomic architecture of glycemic traits. Chen, J.; Spracklen, C.N.; Marenne, G.... In: Nature genetics, vol. 53, no. 6, pp. 840-860 (2021) BASE Show details 4 Distribution of TDP-43 Pathology in Hippocampal Synaptic Relays Suggests Transsynaptic Propagation in Frontotemporal Lobar Degeneration Jamshidi, Pouya; Kim, Garam; Shahidehpour, Ryan K... In: J Neuropathol Exp Neurol (2020) BASE Show details 5 Impact of Project ECHO Models of Medical Tele-Education: a Systematic Review McBain, Ryan K.; Sousa, Jessica L.; Rose, Adam J.... In: J Gen Intern Med (2019) BASE Show details 6 Spontaneous nasalization: An articulatory investigation of glottal consonants in Thai Johnson, Sarah Ellen. - 2019 BASE Show details 7 A sensorimotor basis of speech communication Bryan, Jacob. - 2019 BASE Show details 8 Hyperpartisanship in Web Searched Articles Sen, Anamika Ashit. - : Virginia Tech, 2019 BASE Show details 9 The phonetic correlates of pharyngealization and pharyngealization spread patterns in Cairene Arabic an acoustic and real-time magnetic resonance imaging study Hermes, Zainab. - 2018 BASE Show details 10 Contrast preservation and constraints on individual phonetic variation Eager, Christopher David. - 2017 BASE Show details 11 Investigating sources of phonological rarity and instability: a study of the palatal lateral approximant in Brazilian Portuguese Wong, Nicole Wannie. - 2017 BASE Show details 12 Modeling of oropharyngeal articulatory adaptation to compensate for the acoustic effects of nasalization Rong, Panying; Kuehn, David P.; Shosted, Ryan K.. - : Acoustical Society of America, 2017 BASE Show details 13 The Naked Truth about the Naked This: Investigating Grammatical Prescriptivism in Technical Communication Boettger, Ryan K.; Wulff, Stefanie In: Technical communication quarterly. - Mahwah, NJ : Erlbaum 23 (2014) 2, 115-140 OLC Linguistik Show details 14 Effects of auditory feedback and real-time visual feedback on second language tone learning Ning, Li-Hsin. - 2014 BASE Show details 15 When nasal is more than nasal: the oral articulation of nasal vowels in two dialects of French Carignan, Christopher. - 2013 Abstract: I present the results of an articulatory (EMA and aerodynamic) and acoustic study of the realizations of three oral and nasal vowel pairs /a/-/˜ɑ/, /ɛ/-/˜ɛ/, and /o/-/˜ɔ/ recorded from 11 Northern Metropolitan French (NMF) and two Quebecois French (QF) female speakers in laboratory settings. Using simultaneous acoustic and articulatory information related to the lingual and labial articulations, I investigated how the oral/nasal vowel distinction is manifested with regard to differences in lingual and labial articulatory configuration, for each of these vowel pairs and in both of these respective dialects. Based on previous research, I expected to find evidence that all nasal vowels are produced with at least some change in lingual and labial articulatory configuration compared to their oral vowel counterparts in both dialects. By studying the position and movement of the tongue and lips during the production of target oral and nasal vowels and simultaneously recording the acoustic signal, I was able to separate the effects of velo-pharyngeal coupling and oral articulatory configuration on the acoustic output of the vocal tract. I find that in both dialects, all three nasal vowels are produced with some degree of modification of the oral articulators in comparison with their oral counterparts. With regard to the NMF dialect: for [ɛ]-[˜ɛ], in addition to velo-pharyngeal coupling, the acoustic distinction was most likely due to changes in tongue body position, with the tongue lowered and more retracted for [˜ɛ] than for [ɛ]. For [a]-[˜ɑ], in addition to velo-pharyngeal coupling, the acoustic distinction was most likely due to a combination of lingual and labial articulations, with consistent labial articulatory differences between the two vowels, as /˜ɑ/ was produced with more lip rounding and/or protrusion than /a/ across speakers. For [o]-[˜ɔ], much inter-speaker articulatory variability, but relatively little inter-speaker acoustic variability, was observed. In general, the speakers use either primarily lingual position, or a combination of lingual position and lip rounding and/or protrusion to maintain oral articulatory differences between [o] and [˜ɔ]. The articulatory and acoustic analyses suggest that, in addition to velo-pharyngeal opening, NMF speakers may employ a combination of lingual, labial, and/or passive oral articulations (i.e., "velic" constriction due to lowering the velum) in order to reach the acoustic target for [˜ɔ]. Furthermore, patterns of F1 are somewhat contradictory, as an equal N of speakers show either no difference or higher F1 for [˜ɔ]. However, the most common pattern is a lower F1 for [˜ɔ] compared to [o] (seven of 11 speakers). Similarly, nine of 11 speakers' renditions of the target words indicate a lower F2 for [˜ɔ] compared to [o]. I found evidence of a counter-clockwise chain shift in the realizations of the three nasal vowels. However, I found evidence that the oral articulatory contributions to this chain shift are different for the three vowels: for [˜ɛ], it is due primarily to a lower, retracted tongue position; for [˜ɑ] it is due primarily to tongue retraction and lip rounding; and for [˜ɔ], it is due primarily to a speaker-specific combination of tongue retraction and/or lip rounding. With regard to the QF dialect, I observed a lingual diphthong production of [˜ɛ] and a labial diphthong production of [˜ɔ], and I found evidence pointing to the existence of a nasal coda in the realization of [˜ɛ]. I did not find strong indications of a clockwise chain shift in the realizations of the three nasal vowels as produced by the two QF speakers in this study. Inter-speaker variation in oral articulation and the dispersion of the NMF vowels in the acoustic space suggests variable but acoustically equivalent speaker strategies in the production of nasal vowels in NMF that I propose to interpret in terms of motor equivalence. Specifically, the results suggest that a similar acoustic dispersion is maintained across speakers within a given dialect, although speakers may use different lingual and labial configurations---in conjunction with velo-pharyngeal coupling---in order to achieve a particular acoustic goal. This inter-speaker variation may help explain partially contradictory findings observed across previous studies: various studies have observed different results with regard to tongue position for [˜ɑ] compared to [a] and for [˜ɔ] compared to [o]; I propose that these differences are due to inter-speaker variation with regard to how these nasal vowels are articulated, rather than due to differences in methodology between these studies. An important finding from the articulatory results of this study is that, in general, the oral articulatory differences for the nasal vowels in NMF compared to their oral counterparts are predicted to result in modifications to the frequencies of both F1 and F2 which are also predicted to result from velo-pharyngeal coupling (i.e., centralization of the vowel space along the F1 dimension and lowering of F2 for non-back vowels). In light of these results, I propose that the oral articulations of the nasal vowels in NMF might have evolved over time to enhance and reinforce the formant-frequency-related acoustic effects of nasalization. Although I do not observe this same pattern for the realizations of the nasal vowels in QF, I suggest that dynamic oral articulations and nasal coda production contribute to the distinctive nasality of the nasal vowels in the dialect instead. Moreover, with regard to NMF, I posit that the F1-lowering due to velo-pharyngeal coupling was likely a catalyst for the onset of a push chain shift in the realization of the nasal vowels, a nasal vowel shift that should be regarded as a continually evolving phenomenon, given the realizations observed in this study. Specifically, I observe that /˜ɛ/ is realized as [˜5], that /˜ɑ/ is realized as [˜(lowered)ɔ], and that /˜ɔ/ is realized as [˜(raised)o]. Given the discrepancies between the traditional IPA transcriptions used for these three vowels and the realizations observed here, I offer the transcriptions [˜5]-[˜(lowered)ɔ]-[˜(raised)o] as possible revisions to the IPA transcriptions used for the respective nasal vowels in NMF. Keyword: Acoustics; articulation; French; nasal; phonetics; vowel nasalization URL: http://hdl.handle.net/2142/45317 BASE Hide details 16 Intonation in Indian English and Hindi late and simultaneous bilinguals Puri, Vandana. - 2013 BASE Show details 17 Modeling temporal coordination in speech production using an artificial central pattern generator neural network Rusaw, Erin. - 2013 BASE Show details 18 The effects of lexical stress, intonational pitch accent, and speech rate on vowel quality in Catalan and Spanish Nadeu Rota, Marianna. - 2013 BASE Show details 19 The submorphemic structure of Amharic: toward a phonosemantic analysis Ayalew, Bezza. - 2013 BASE Show details 20 Palatal complexity revisited: an electropalatographic analysis of /ŋ/ in Brazilian Portuguese with comparison to Peninsular Spanish Scarpace, Daniel; Hualde, José Ignacio; Shosted, Ryan K. In: Language and speech. - London [u.a.] : Sage Publ. 55 (2012) 4, 477-502 BLLDB OLC Linguistik Show details Page: 1 2 3

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