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  • Title: A case of psychogenic tremor associated with blepharospasm and myoclonus: an analysis with surface electromyogram.
    Author: Oide T, Ohara S, Hayashi R.
    Journal: Electromyogr Clin Neurophysiol; 2004; 44(1):39-42. PubMed ID: 15008024.
    Abstract:
    We report a 25-year-old woman with an unusual complex psychogenic movement disorders consisting of blepharospasm, tremor, and myoclonus. The tremor appeared in both arms and legs with resting, kinetic, and postural tremor of a variable amplitude, direction, and frequency. The analysis of the arm tremor with surface electromyogram revealed that it consisted of reciprocal and alternating contraction of the wrist flexor and extensor. No apparent co-activation of agonist-antagonist muscles could be seen at the onset of the tremor at rest or at its appearance while performing diadochokinesis.
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