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Auditory grip force feedback in the treatment of Writer's cramp
Barbara Baur1, Waltraud Fürholzer, Christian Marquardt
1Clinical Neuropsychology Research Group (EKN), Klinikum München-Bogenhausen, Munich, Germany. barbara.baur@extern.lrz-muechen.de
Study Design:
Pre-post, single-group.
Introduction:
Writer's cramp (WC) is a focal dystonia causing impairments in daily life. Behavioral treatment approaches have been shown to improve handwriting performance, though outcomes remain sub-optimal.
Purpose Of The Study:
To examine the effects of the handwriting training and auditory grip force feedback in seven patients with WC.
Methods:
Handwriting performance was examined before and after treatment. Writing frequency, fluency, and pressure were recorded with a digitizing tablet and grip forces during handwriting were recorded. Subjective writing performance and pain were rated on visual analog scales.
Results:
The treatment resulted in significant reductions in writing pressure and pain, while writing performance was significantly improved.
Conclusions:
Patients in this study with WC, who exhibit grip force and pressure problems, benefit from feedback-supported handwriting training.
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