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dc.contributor.authorSchaeffler, Sonja
dc.contributor.authorScobbie, James M.
dc.contributor.authorSchaeffler, Felix
dc.contributor.editorFuchs, S.
dc.contributor.editorGrice, M.
dc.contributor.editorHermes, A.
dc.contributor.editorLancia, L.
dc.contributor.editorMücke, D.
dc.date.accessioned2018-06-29T15:51:18Z
dc.date.available2018-06-29T15:51:18Z
dc.date.issued2014-05-09
dc.identifierER3533
dc.identifier.citationSchaeffler, S., Scobbie, J. M. & Schaeffler, F. (2014) Measuring reaction times: Vocalisation vs. articulation. In: Proceedings of the 10th International Seminar on Speech Production (ISSP), 5–8 May 2014, Cologne, Germany, pp. 379-382.
dc.identifier.urihttp://www.issp2014.uni-koeln.de/
dc.identifier.urihttps://eresearch.qmu.ac.uk/handle/20.500.12289/3533
dc.description.abstractThere is a sizeable delay between any formulation of an intention to speak and the audible vocalisation that results. Silent articulatory movements in preparation for audible speech comprise a proportion of this phase of speech production. The extensive literature on Reaction Time (RT) is based on the delay between a stimulus and the acoustic onset to speech that is elicited, ignoring the preceding silent elements of speech production in what is an utterance-initial position. We used a standard Snodgrass and Vanderwart picture-naming task to elicit speech in a standard Reaction Time protocol, but recorded the behaviour of two typical speakers with audio plus Ultrasound Tongue Imaging (201 frames per second) and de-interlaced NTSC video of the mouth and lips (60fps). On average, acoustic RT occurred between 120 to 180 ms later than a clearly observable articulatory movement, with no consistent advantage for lip or tongue-based measures.
dc.format.extent379-382
dc.relation.ispartofProceedings of the 10th International Seminar in Speech Production (ISSP 10)
dc.subjectUltrasound Tongue Imaging
dc.subjectVideo
dc.subjectTongue
dc.subjectLips
dc.subjectReaction Time
dc.subjectSpeech Preparation
dc.titleMeasuring reaction times: Vocalisation vs. articulation
dc.typearticle
dcterms.accessRightspublic
dc.description.facultycasl
dc.description.ispublishedpub
dc.description.eprintid3533
rioxxterms.typearticle
qmu.authorSchaeffler, Felix
qmu.authorSchaeffler, Sonja
qmu.authorScobbie, James M.
qmu.centreCASL
dc.description.statuspub


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