movement disorders Parkinson's disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: All subjects - right*handed - informed consent - ability to hold a pen for at least half an hour PD patients - diagnosis according to the UK Parkinson*s Disease Society Brain Bank clinical diagnostic criteria - symptoms scored as Hoehn & Yahr I*III - age: >50 years Essential tremor - diagnosis according to the criteria defined by the Tremor Investigation Group for more than 5 years Enhanced physiological tremor - diagnosis based on polymyography Psychogenic tremor - diagnosis based on polymyography Dystonia (writer*s cramp or torticollis spasmodica) - clinical diagnosis of dystonia - last botulinum toxin treatment at least 2 months prior to study investigation Post*stroke spasticity - clinical diagnosis of post*stroke spasticity (afflicting at least right hand function)
Exclusion criteria
Exclusion criteria: All subjects - (other) neurological or motor disorder (than that included for) - Mini Mental State Examination (MMSE) score
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pen tip motion, velocity and acceleration and pen grip forces (in the time and frequency domain) during each of the tasks, compared between groups. In addition mean EMG, EMG variability and EMG power peaks will be assessed. | — |
Countries
Netherlands