Publications

Kaila L. Stipancic, Frits van Brenk, Mengyang Qiu, Kris Tjaden (2024). Progress Toward Estimating the Minimal Clinically Important Difference of Intelligibility: A Crowdsourced Perceptual Experiment. Journal of Speech, Language, and Hearing Research, 1-15.

DOI

Frits van Brenk, Anja Lowit, Kris Tjaden (2024). Effects of Speaking Rate on Variability of Second Formant Frequency Transitions in Dysarthria. Folia Phoniatrica et Logopaedica, 76(3), 295–308.

PDF DOI

Kaila L. Stipancic, Frits van Brenk, Mengyang Qiu, Kris Tjaden (2024). Clinically Important Change in Speech Intelligibility from Different Perspectives. In Twenty-Second Biennial Conference on Motor Speech, San Diego, CA, USA. Oral presentation.

Source Document

Frits van Brenk, Kaila L. Stipancic, Andrea Rohl, Daniel Corcos, Kris Tjaden, Jeremy D.W. Greenlee (2024). No Differential Effects of Subthalamic Nucleus vs. Globus Pallidus Deep Brain Stimulation in Parkinson’s Disease: Speech Acoustic and Perceptual Findings. IBRO Neuroscience Reports, 16, 361–367.

PDF DOI

Kyung Hae Hwang, J. Choi, Megan McAuliffe, Frits van Brenk, R. Brisman, D. Chang, J. Gonzalez, E. Hanselman, E. Hong, J. Jeong, M. Kotsakis, R. Polkowitz, Erika Levy (2023). Acoustic Predictors of Intelligibility Changes in Children with Dysarthria. In American Speech-Language and Hearing Association Convention. Poster. Boston, MA, USA.

Hayo Terband, Frits van Brenk (2023). Modeling Responses to Auditory Feedback Perturbations in Adults, Children, and Children With Complex Speech Sound Disorders: Evidence for Impaired Auditory Self-Monitoring?. Journal of Speech, Language, and Hearing Research, 66(5), 1563-1587.

PDF DOI

Anja Lowit, Jessica Cox, Melissa Loucas, Jennifer Grassly, Aisling Egan, Frits van Brenk, Marios Hadjivassiliou (2023). ClearSpeechTogether: a Rater Blinded, Single, Controlled Feasibility Study of Speech Intervention for People with Progressive Ataxia. Cerebellum, 22, 865–876.

PDF DOI

Kaila Stipancic, Frits van Brenk, Alexander Kain, Greg Wilding, Kris Tjaden (2022). Clear Speech Variants: An Investigation of Intelligibility and Speaker Effort in Speakers With Parkinson's Disease. American Journal of Speech-Language Pathology, 31(6), 2789-2805.

PDF DOI

Kyung Hae Hwang, Y. Chang, Visar Berisha, Megan McAuliffe, Frits van Brenk, J. Choi, R. Brisman, J. Jeong, Erika Levy (2022). Validity of online recordings in children with dysarthria; acoustic and perceptual measures. In American Speech-Language and Hearing Association Convention. Poster. New Orleans, LA, USA.

Kaila Stipancic, Frits van Brenk, Mengyang Qui, Kris Tjaden (2022). Progress toward estimating the minimal clinically important difference of speech intelligibility: A crowdsourced perceptual experiment. In Eighth International Conference on Speech Motor Control, Poster. Groningen, Netherlands.

Source Document

Frits van Brenk, Kyung Hae Hwang, J. Choi, R. Brisman, E. Hong, Erika Levy (2022). Acoustic measures of online and offline collected speech produced by children with cerebral palsy and dysarthria: steps towards validation. In Eighth International Conference on Speech Motor Control, Poster. Groningen, Netherlands.

Poster Source Document

Hayo Terband, Frits van Brenk, Ben Maassen (2022). Do children with complex SSD process their self-produced auditory signal not as their own?. In Twenty-First Biennial Conference on Motor Speech, Charleston, SC, USA. Poster.

Poster Source Document

Frits van Brenk, Kaila Stipancic, Alexander Kain, Kris Tjaden (2022). Intelligibility Across a Reading Passage: The Effect of Dysarthria and Cued Speaking Styles. American Journal of Speech-Language Pathology, 31(1), 390-408.

PDF DOI

Aravind Namasivayam, Ana Vogeley, Aloma Albuquerque, Rohan Bali, Frits van Brenk, Nilgoun Bahar, Pascal van Lieshout (2021). Objective methods to assess progress in the ReST treatment program for CAS: A case study. In 2021 Apraxia Kids National Conference , Plano, TX, USA. Oral presentation.

Source Document

Frits van Brenk, Kaila Stipancic, Alexander Kain, Kris Tjaden (2021). Scaled intelligibility during passage reading by speakers with dysarthria: a comparison of speaking styles. In 18th Biennial Conference of the International Clinical Phonetics and Linguistics Association, Glasgow, UK. Oral presentation.

Source Document

Frits van Brenk, Alexander Kain, Kris Tjaden (2021). Acoustic Correlates of Intelligibility in Dysarthria: Findings from Between-Speaker Hybridization. In 2021 Boston Speech Motor Control Symposium. Poster. Boston, MA, USA.

Poster

Frits van Brenk, Alexander Kain, Kris Tjaden (2021). Investigating Acoustic Correlates of Intelligibility Gains and Losses During Slowed Speech: A Hybridization Approach. American Journal of Speech-Language Pathology, 30(3S), 1343-1360.

PDF DOI

Nicole Feeley, Frits van Brenk, Anja Lowit, Kris Tjaden (2020). Measuring Variability in Dysarthric Speech: Dynamic Time Warping of F2 Transitions. In American Speech-Language and Hearing Association Convention. Poster. San Diego, CA, USA. (Convention canceled).

Frits van Brenk, Hayo Terband (2020). Compensatory and adaptive responses to real-time formant shifts in adults and children. The Journal of the Acoustical Society of America, 147(4), 2261-2270.

PDF DOI

Frits van Brenk, Hayo Terband, Ben Maassen (2020). Modelling of Individual Differences in Speakers' Responses to Auditory Feedback Perturbation using SimpleDiva. In Twentieth Biennial Conference on Motor Speech, Santa Barbara, CA, USA. Poster.

Poster Source Document

Frits van Brenk, Alexander Kain, Kris Tjaden (2020). Investigating Intelligibility Gains for a Slowed Rate Using Hybridization. In Twentieth Biennial Conference on Motor Speech, Santa Barbara, CA, USA. Oral presentation.

Source Document

Frits van Brenk, Kris Tjaden, Anja Lowit (2019). Stability of Second Formant Transitions in Dysarthria: Effects of Articulation Rate. In American Speech-Language and Hearing Association Convention. Poster. Orlando, FL, USA.

Poster

Hayo Terband, Aravind Namasivayam, Edwin Maas, Frits van Brenk, Marja-Liisa Mailend, Sanne Diepeveen, Pascal van Lieshout, Ben Maassen (2019). Assessment of Childhood Apraxia of Speech: A Review/Tutorial of Objective Measurement Techniques. Journal of Speech, Language and Hearing Research, 62(8S), 2999-3032.

PDF DOI

Frits van Brenk, Kris Tjaden, Alexander Kain (2019). Identifying Acoustic Causes of Speaker-Dependent Variation in Slowed Speech Intelligibility: A Hybridization Approach. In 19th International Congress of Phonetic Sciences. Oral presentation. Melbourne, Australia.

Source Document

Frits van Brenk, Kris Tjaden, Alexander Kain (2019). Identifying Acoustic Causes of Speaker-Dependent Variation in Slowed Speech Intelligibility: A Hybridization Approach. In Proceedings of the 19th International Congress of Phonetic Sciences. Melbourne, Australia.

PDF Source Document

Anja Kuschmann, Frits van Brenk (2019). Acoustic Characterization of Dysarthria in Children with Cerebral Palsy: Exploring Age-Related Effects. In 19th International Congress of Phonetic Sciences. Poster presentation, presenting author. Melbourne, Australia.

Poster Source Document

Anja Kuschmann, Frits van Brenk (2019). Acoustic Characterization of Dysarthria in Children with Cerebral Palsy: Exploring Age-Related Effects. In Proceedings of the 19th International Congress of Phonetic Sciences. Melbourne, Australia.

PDF Source Document

Frits van Brenk, Kris Tjaden, Anja Lowit (2019). Variability of F2 Transitions in Dysarthria. In 2019 Boston Speech Motor Control Symposium. Poster. Boston, MA, USA.

Poster Source Document

Frits van Brenk, Anja Kuschmann (2018). Acoustic Markers of Dysarthria in Children with Cerebral Palsy: Comparison of Speech Tasks. In American Speech-Language and Hearing Association Convention. Poster. Boston, MA, USA.

Poster

Frits van Brenk, Anja Lowit, Kris Tjaden (2018). Acoustic Variability in Dysarthria: Effects of Articulation Rate and its Relationship with Intelligibility. In American Speech-Language and Hearing Association Convention. Poster. Boston, MA, USA.

Poster

Frits van Brenk (2018). The measurement of acoustic variability in speech and its role in the assessment of motor speech disorders. In Cognitive Science Colloquium. Invited oral presentation. Center for Cognitive Science, University at Buffalo.

PDF Source Document

Frits van Brenk (2018). The application of linear and nonlinear estimators of acoustic variability in the assessment of speech motor control in hypokinetic dysarthria. Doctoral dissertation. University of Strathclyde.

PDF Source Document

Kris Tjaden, Jeremy Greenlee, Frits van Brenk, Sara Silverman, Daniel Corcos (2018). Perceptual and Acoustic Correlates of DBS of Subthalamic Nucleus versus Globus Pallidus Interna for IPD: A Comparative Pilot Study. In Nineteenth Biennial Conference on Motor Speech. Poster, presenting author. Savannah, GA, USA.

Poster

Frits van Brenk, Anja Lowit (2017). Evaluating aspects of speech motor stability in dysarthria. In Seventh International Conference on Speech Motor Control. Poster. Groningen, the Netherlands.

PDF Poster Source Document

Margoke Nijssen, Frits van Brenk, Hayo Terband (2015). Procesanalyse van spraakproductie bij kinderen met spraakontwikkelingsstoornissen [Process analysis of speech production in children with developmental speech disorder. Stem-, Spraak- en Taalpathologie [Voice, Speech, and Language Pathology], 20, 216-237.

PDF Source Document

Frits van Brenk (2015). Objectieve beoordeling van spraakproblemen bij sprekers met dysartrie [Objective assessment of speech problems in speakers with dysarthria. Stem-, Spraak- en Taalpathologie [Voice, Speech, and Language Pathology], 20, 94-119.

PDF Source Document

Hayo Terband, Frits van Brenk (2015). Compensatory and adaptive responses to real-time formant shifts in adults and children. In 18th International Congress of Phonetic Sciences. Oral presentation, presenting author. Glasgow, UK.

Slides Source Document

Hayo Terband, Frits van Brenk (2015). Compensatory and adaptive responses to real-time formant shifts in adults and children. In Proceedings of the 18th International Congress of Phonetic Sciences. Glasgow, UK.

PDF Source Document

Hayo Terband, Frits van Brenk, Anniek van Doornik-van der Zee (2014). Auditory feedback perturbation in children with developmental speech sound disorders. Journal of Communication Disorders, 51, 64-77.

PDF DOI

Hayo Terband, Margoke Nijssen, Frits van Brenk, Anniek van Doornik-van der Zee, Ben Maassen (2014). Development of a learning task for a process-oriented diagnostics of developmental speech sound disorders: a pilot study. In Seventeenth Biennial Conference on Motor Speech. Poster. Sarasota, FL, USA.

Poster

Hayo Terband, Frits van Brenk, Anniek van Doornik-van der Zee, Margoke Nijssen, Shanqing Cai (2014). Auditory feedback perturbation in children with developmental speech sound disorders. In Seventeenth Biennial Conference on Motor Speech. Oral presentation. Sarasota, FL, USA.

Fred Cummins, Anja Lowit, Frits van Brenk (2014). Quantitative Assessment of Interutterance Stability: Application to Dysarthria. Journal of Speech, Language and Hearing Research, 57(1), 81-89.

PDF DOI

Frits van Brenk, Hayo Terband, Shanqing Cai (2014). Auditory feedback perturbation in adults and children. In Seventeenth Biennial Conference on Motor Speech. Poster. Sarasota, FL, USA.

Poster

Frits van Brenk, Hayo Terband, Pascal van Lieshout, Anja Lowit, Ben Maassen (2013). Rate-Related Kinematic Changes in Younger and Older Adults. Folia Phoniatrica et Logopaedica, 65(5), 69-77.

PDF DOI

Frits van Brenk, Anja Lowit (2012). The relationship between acoustic indices of variability of speech motor control in dysarthria and other measures of speech performance. Journal of Medical Speech - Language Pathology, 20(4), 24-29.

PDF

Frits van Brenk, Anja Lowit (2012). Comparing variability in speech motor control in dysarthria with perceptual and acoustic assessment. In Sixteenth Biennial Conference on Motor Speech. Poster. Santa Rosa, CA, USA.

Poster

Hayo Terband, Frits van Brenk, Rafael Neto Henriques, Pascal van Lieshout, Ben Maassen, Anja Lowit (2012). Speech rate strategies in younger and older adults. In Sixteenth Biennial Conference on Motor Speech. Poster. Santa Rosa, CA, USA.

Poster

Frits van Brenk, Anja Lowit (2011). Assessing dysarthria using variability measures from audio recordings. In Sixth International Conference on Speech Motor Control. Poster. Groningen, the Netherlands.

PDF Poster Source Document

Frits van Brenk, Anja Lowit (2010). Analyzing speech movement variability from audio recordings. In Conference on Cognitive and Physical Models of Speech Production, Speech Perception and Production-Perception Interaction. Poster. Berlin, Germany.

PDF

Frits van Brenk, Hayo Terband, Pascal van Lieshout, Anja Lowit, Ben Maassen (2009). An analysis of speech rate strategies in aging. In Interspeech 2009. Poster. Brighton, UK.

Poster Source Document DOI

Frits van Brenk, Hayo Terband, Pascal van Lieshout, Anja Lowit, Ben Maassen (2009). An analysis of speech rate strategies in aging. In Proceedings of Interspeech 2009 (pp. 792-795). Brighton, UK.

PDF Source Document DOI

Hayo Terband, Frits van Brenk, Pascal van Lieshout, Lian Nijland, Ben Maassen (2009). Stability and composition of functional synergies for speech movements in children and adults. In Proceedings of Interspeech 2009 (pp. 788-791). Brighton, UK.

PDF Source Document DOI

Hayo Terband, Frits van Brenk, Pascal van Lieshout, Lian Nijland, Ben Maassen (2009). Stability and composition of functional synergies for speech movements in children and adults. In Interspeech 2009. Poster. Brighton, UK.

Poster Source Document DOI

Hayo Terband, Frits van Brenk, Lian Nijland, Ben Maassen (2008). Articulation in Children with Developmental Speech Disorders. In Fourteenth Biennial Conference on Motor Speech. Poster. Monterey, CA, USA.

Poster