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Our lab investigates the relationship between language and the brain (neurolinguistics). We are interested in the pathology of speech in aphasia and verbal apraxia (“apraxia of speech”). By comparing findings from communication disordered populations with those of healthy individuals we seek to (1) learn more about normative speech processing, and (2) devise improved methods for treating speech and language loss subsequent to brain damage.

Other Topics We Study:

  • Audiovisual processing by healthy individuals and individuals with Parkinson’s disease
  • Augmented kinematic feedback for phonetic training in L2 learning and clinical populations
  • Compensatory articulation and speech motor control
  • Coarticulation and speech motor planning
  • Development of speech motor control in children
  • Articulatory timing relations in consonant cluster and singleton productions
  • Cue-trading relations at the prosody/syntax interface

Callier Center Dallas
1966 Inwood Road
Dallas, TX 75235
Main phone: 972-883-3030


Callier Center Richardson
2895 Facilities Way
Richardson, Texas 75080
Main phone: 972-883-3630

Hiranya Kumar Presentation
Hiranya has a presentation that was accepted for the 16th International EAI Bodynets 2021 conference, in Glasgow, Great Britain.

Evdoxia Doli Doctoral Dissertation
Evdoxia Doli’s dissertation has been approvedGestural Coordination of Modern Greek consonant clusters: Kinematic analysis and use of supervised learning methods

Vedad Fazel Doctoral Dissertation
Vedad Fazel’s dissertation has been approved – Lingual Speech Motor Control Assessed by a Novel Visuomotor Tracking Paradigm.

Study by Annette Glotfelty (and William Katz)
The Role of Visibility in Silent Speech Tongue Movements: A Kinematic Study of Consonants has been accepted for publication in Journal of Speech, Hearing, and Language Research (1/21).

Cecillia Pak’s Research
Recognition of emotional prosody by Mandarin-speaking adults with cochlear implants has been published in The Journal of the Acoustical Society of America 146, EL165 (2019).