Intragestural Variation in Natural Sentence Production: Essential Tremor Patients Treated with DBS

Anne Hermes, Doris Mücke, Tabea Thies, Michael T. Barbe


In the present study, we investigate intragestural parameters during the production of CV syllables in natural sentence production of Essential Tremor (ET) patients treated with Deep Brain Stimulation (DBS). Within the task dynamic approach, we analyzed temporal and spatial parameters of consonantal and vocalic movements of the respective target syllables. Our analysis revealed that intragestural coordination patterns are affected in the patients’ group: While patients with inactivated stimulation (DBS-OFF) already showed signs of dysarthria in terms of longer and less stiff movements, there was an additional slowing down of the speech motor system under activated stimulation (DBS-ON). When comparing CV production in natural sentence to fast syllable repetition tasks (DDK), we find similarities in that there is a slowing down of the system, but also differences in that coordination problems increase in DDK leading to an overmodulation of peak velocities and displacements.


 DOI: 10.21437/Interspeech.2019-2389

Cite as: Hermes, A., Mücke, D., Thies, T., Barbe, M.T. (2019) Intragestural Variation in Natural Sentence Production: Essential Tremor Patients Treated with DBS. Proc. Interspeech 2019, 4539-4543, DOI: 10.21437/Interspeech.2019-2389.


@inproceedings{Hermes2019,
  author={Anne Hermes and Doris Mücke and Tabea Thies and Michael T. Barbe},
  title={{Intragestural Variation in Natural Sentence Production: Essential Tremor Patients Treated with DBS}},
  year=2019,
  booktitle={Proc. Interspeech 2019},
  pages={4539--4543},
  doi={10.21437/Interspeech.2019-2389},
  url={http://dx.doi.org/10.21437/Interspeech.2019-2389}
}