Patterns of Orofacial Movement Velocity Across Variations in Speech Rate

McClean, Michael D.
February 2000
Journal of Speech, Language & Hearing Research;Feb2000, Vol. 43 Issue 1, p205
Academic Journal
To understand the clinical aspects of speech rate control, a clearer picture is needed of how orofacial structures are coordinated across variations in speech rate. To address this problem, patterns of orofacial tangential velocity or speed were analyzed in a group of 9 normal speakers as they produced the utterance "a bad daba" at fast, normal, and slow speech rates. An electromagnetic system was used to record the movements of the upper lip, lower lip, jaw, and tongue. Measures of the magnitude of peak tangential velocities were obtained across the four structures. Orofacial velocities consistently decreased at slow rates relative to normal rates, whereas at fast rates increased and decreased velocities were observed in an equivalent number of cases. Significant correlations frequently were obtained across speech rate between lip, tongue, and jaw velocities. Upper and lower lip velocities showed consistent positive correlations with one another, whereas marked intersubject differences were observed in the sign of jaw-related correlations. Repeated testing on 3 subjects indicated a high degree of consistency within subjects in the overall patterns of mean velocity for the different structures. Results are discussed in relation to possible motor control differences underlying fast and slow speech, neural coupling of muscle systems, and jaw-related individual differences in speech motor coordination.


Related Articles

  • Effects of age, speech rate, and type of test on temporal auditory processing. Vaughan, Nancy E.; Letowski, Tomasz // Journal of Speech, Language & Hearing Research;Oct1997, Vol. 40 Issue 5, p1192 

    Presents a study which investigated the effects of age, type of test and rate of speech on temporal auditory processing. Young, middle-aged and older groups; Time compression method called Synchronized Overlap Add (SOLA); Speech understanding tasks; Discourse intelligibility.

  • Spoken Words versus Spoken Language. Jerger, James // Journal of the American Academy of Audiology;Jul/Aug2006, Vol. 17 Issue 7, p1 

    This editorial discuuses the author's views on the importance of monosyllabic word recognition in children and the elderly with hearing impairment. He explains that one of the articles in the issue explores two characteristics of spoken language, syntactic complexity and presentation rate,...

  • Effect of deviations from temporal expectations on tempo discrimination of isochronous tone... McAuley, J. Devin; Kidd, Gary R. // Journal of Experimental Psychology. Human Perception & Performan;Dec98, Vol. 24 Issue 6, p1786 

    Studies the effect of deviations from temporal expectations on tempo discrimination in experiments using isochronous auditory sequences. Delay in onset of a comparison pattern relative to an `expected' onset; Findings supporting oscillator-based approaches to time discrimination.

  • Kinematic Event Patterns in Speech: Special problems. Westbury, John R. // Language & Speech;Oct-Dec2000, Vol. 43 Issue 4, p403 

    Identifies methodological problems that might affect the validity of speech kinematic studies. Use of 'special' and 'problem' as test words; Difference in the patterns of both words; Degree of cross-speaker agreement about relative tongue and jaw movement timing; Role of serial event order in...

  • Harness vocal tempo to add dynamism.  // Executive Leadership;Jul2013, Vol. 28 Issue 7, p6 

    The article presents a discussion of harnessing voice tempo to enhance dynamism in speaking, adapted from the book "Speak to Influence," by Susan Berkley.

  • EFFECTS OF EXPLICIT TIMING ON ELEMENTARY STUDENTS' ORAL READING RATES OF WORD PHRASES. Cates, Gary L.; Rhymer, Katrina N. // Reading Improvement;Fall2006, Vol. 43 Issue 3, p148 

    The article discusses the study on the implications of explicit timing of total reading rates of word phrases to elementary students in the U.S. It indicated that immediate changes in level performance were observed as a function of implementation and removal of the explicit timing intervention....

  • All's well that ends well. Caramia, Tony // Clavier Companion;May/Jun2013, Vol. 5 Issue 3, p32 

    The author offers tips to jazz pianists on standard approaches to explore when ending a song. Some factors that jazz pianists should consider when playing a song from the American Songbook include key, tempo and rhythmic background. He points out that the last note of a song ends on the downbeat...

  • COINCIDENTAL VARIATION AS A SOURCE OF CONFUSION IN THE EXPERIMENTAL STUDY OF RATE. Clevenger Jr., Theodore; Clark, Margaret Leitner // Language & Speech;Jul-Sep63, Vol. 6 Issue 3, p144 

    Rate is one of the most broadly useful concepts in mathematics, expressing the relationship between two variables in terms of an artificial unit. Rate can be defined as the average number of units of one variable per unit of another. Rate of speaking is not essentially different from other...

  • Rate of Speech in Punjabi Speakers. Kaushal, Deepti; Sharma, Anuradha; Munjal, Sanjay; Panda, Naresh // Language in India;Jan2011, Vol. 11 Issue 1, p179 

    Rate of an individual's speech may affect coordination of respiration and phonation, muscular tension in the vocal tract, and intelligibility. The value of assessing rate of speech is that it allows one to evaluate its effects on the client's communicative abilities. The aim of the present study...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics