{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,27]],"date-time":"2024-06-27T07:06:42Z","timestamp":1719472002999},"reference-count":25,"publisher":"Acoustical Society of America (ASA)","issue":"4","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2007,10,1]]},"abstract":"<jats:p>Acoustic coupling between the vocal tract and the lower (subglottal) airway results in the introduction of pole-zero pairs corresponding to resonances of the uncoupled lower airway. If the second formant (F2) passes through the second subglottal resonance a discontinuity in amplitude occurs. This work explores the hypothesis that this F2 discontinuity affects how listeners perceive the distinctive feature [back] in transitions from a front vowel (high F2) to a labial stop (low F2). Two versions of the utterances \u201capter\u201d and \u201cup there\u201d were synthesized with an F2 discontinuity at different locations in the initial VC transition. Subjects heard portions of the utterances with and without the discontinuity, and were asked to identify whether the utterances were real words or not. Results show that the frequency of the F2 discontinuity in an utterance influences the perception of backness in the vowel. Discontinuities of this sort are proposed to play a role in shaping vowel inventories in the world\u2019s languages [K. N. Stevens, J. Phonetics\u200817, 3\u201346 (1989)]. The results support a model of lexical access in which articulatory-acoustic discontinuities subserve phonological feature identification.<\/jats:p>","DOI":"10.1121\/1.2772227","type":"journal-article","created":{"date-parts":[[2007,9,26]],"date-time":"2007-09-26T22:21:15Z","timestamp":1190845275000},"page":"2320-2327","update-policy":"http:\/\/dx.doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":10,"title":["A role for the second subglottal resonance in lexical access"],"prefix":"10.1121","volume":"122","author":[{"given":"Steven M.","family":"Lulich","sequence":"first","affiliation":[{"name":"Speech Communication Group , MIT, and , Cambridge, Massachusetts 02139"},{"name":"Harvard-MIT Division of Health Sciences and Technology , MIT, and , Cambridge, Massachusetts 02139"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Asaf","family":"Bachrach","sequence":"additional","affiliation":[{"name":"MIT Department of Linguistics and Philosophy, , Cambridge, Massachusetts 02139"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicolas","family":"Malyska","sequence":"additional","affiliation":[{"name":"MIT Lincoln Laboratory , Lexington, Massachusetts 02420 and , Cambridge, Massachusetts 02139"},{"name":"Harvard-MIT Division of Health Sciences and Technology , Lexington, Massachusetts 02420 and , Cambridge, Massachusetts 02139"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","reference":[{"key":"2023080404554085400_c1","doi-asserted-by":"crossref","unstructured":"Cheyne, H. 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