Gradient change in lingual gestures in children with motor speech delay

Joanne Cleland, James M Scobbie

Research output: Contribution to conferencePosterpeer-review


This study is an ultrasound investigation of the acquisition of velars in children with persistent velar fronting. We selected six children aged 6-15 unable to produce an accurate velar consonant from a larger project looking at a wide variety of speech disorders. For each child a probe wordlist was recorded, along with minimal pair words. We report the magnitude of the dorsal velar gesture in each session using linear and area-based differential measures between /t/ and /k/ tongue surface splines, which is compared to child and adult norms. Four of the children achieved a perceptually correct dorsal articulation in the 1st or 2nd session and two children achieved it in the 7th session. Articulatory analysis of the ultrasound shows a range of strategies for achieving the new movement including initial undershoot or overshoot
Original languageEnglish
Publication statusPublished - 21 Feb 2020
EventMotor Speech Conference 2020 - Santa Barbara, US
Duration: 20 Feb 202023 Feb 2020


ConferenceMotor Speech Conference 2020


  • velar fronting
  • children
  • speech disorders


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