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Transcranial Direct Current Stimulation Combined with Action Observation and Electromyographic Biofeedback Training
Yohei Okada1,2, Chiharu Shibamoto1, Yukari Osumi1
1Department of Physical Therapy, Faculty of Health Science, Kio University, Nara, Japan.
Abstract:
We present a 47-year-old right-handed woman with a 15-year history of writer's cramp who was provided with six sessions of cathodal transcranial direct current stimulation (tDCS) combined with observation of writing actions performed by a healthy subject and electromyographic (EMG) biofeedback training to decrease EMG activities in her right forehand muscles while writing for 30 min for 4 weeks. She showed improvement in dystonic posture and writing speed after the intervention. The writing movement and writing speed scores on a writer's cramp rating scale decreased, along with writing time. Our findings demonstrated that cathodal tDCS combined with action observation and EMG biofeedback training might improve dystonic writing movements in a patient with writer's cramp.