Results 241 to 250 of about 78,660 (285)
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Neurology, 1982
Progressive difficulty in handwriting due to jerking movements precipitated by the act of writing beginning between the ages of 8 to 54 is reported in six patients. There was no rest tremor, but three had mild postural tremor. Specific muscle activity (especially pronation of the wrist or abduction of the fingers) elicited the tremors that persisted as
H L, Klawans +3 more
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Progressive difficulty in handwriting due to jerking movements precipitated by the act of writing beginning between the ages of 8 to 54 is reported in six patients. There was no rest tremor, but three had mild postural tremor. Specific muscle activity (especially pronation of the wrist or abduction of the fingers) elicited the tremors that persisted as
H L, Klawans +3 more
openaire +2 more sources
Is action tremor in Parkinson’s disease related to resting tremor?
Neurological Research, 2013Action tremor (AT) and resting tremor (RT) have been widely cited in many studies with Parkinson's disease (PD) patients, but studies looking at the association between the two tremor types are few and show inconsistent results. This study will look at the prevalence and association of AT and RT in a large sample of idiopathic PD patients, and will put
Abdul Qayyum, Rana +5 more
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Physiological action tremor of the ankle
Journal of Applied Physiology, 1982Comparisons were made between physiological tremor (PT), which is the involuntary oscillation produced when the leg is held in a plantarflexed position, and physiological action tremor (PAT), which is an involuntary oscillation associated with the voluntary slow raising and lowering of the heel.
R S, Pozos, P A, Iaizzo, R W, Petry
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Action tremor analysis from ordinary video sequence
2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009This paper focuses on tremor frequency analysis from the video sequence. In order to analyse the video data, the signal needs to be extracted from the video using the intensity change of the local area in time. Next, the power spectral density is used for the frequency estimate from the signal.
Zdenka, Uhríková +3 more
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Action tremor with alternating activity in antagonist muscles
Neurology, 1984Action tremors due to alternating activity in antagonist muscles create different clinical manifestations. Tremors range in frequency from 2.5 to 7 Hz and may be brought out by either posture or goal-directed movement. Using physiologic criteria, tremors can be divided into groups with possible pharmacologic implications.
L J, Findley, L, Cleeves, S, Calzetti
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Animal Models of Action Tremor
Movement Disorders, 2008This article is devoted to animal models of tremors that emerge from lesions in the Guillain-Mollaret triangle. Cerebellar intention tremor is caused by lesions in the brachium conjunctivum or in the interpositus nucleus, possibly in combination with damage to the dentate nucleus.
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Ceruletide therapy in action tremor following thalamic hemorrhage
Journal of Neurology, 1993Two men, aged 63 and 71 years, developed a gross action tremor and dysesthesias several months after an intracerebral hemorrhage. CT and MRI showed a small hemorrhage in the posterior region of the lateral nucleus of the thalamus in each patient. The tremor occurred on movement, had frequencies of 2.5-4.5 Hz and the amplitude varied depending on the ...
Y, Mano +3 more
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A double‐blind trial of isoniazid for essential tremor and other action tremors
Movement Disorders, 1991AbstractWe conducted a double‐blind trial of isoniazid in 11 patients with essential tremor and four patients with other types of postural action tremor. The tremor had not been helped by beta‐blockers or primidone. Isoniazid was given in doses up to 1, 200 mg daily, together with 100 mg pyridoxine, for four weeks. Results were assessed with subjective
M, Hallett +4 more
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Action tremor during object manipulation in Parkinson's disease
Movement Disorders, 2000In previous studies of fingertip forces during precision grip in subjects with Parkinson's disease (PD), we observed regular oscillations in isometric force. The present study characterizes the nature of these oscillations. Fingertip forces were recorded from the index finger and thumb during precision grip-lifts with a 300 g and 900 g object in 10 ...
H, Forssberg +4 more
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Thalamic deep brain stimulation for posttraumatic action tremor
Clinical Neurology and Neurosurgery, 2004We report a case of thalamic deep brain stimulation (DBS) for treatment of posttraumatic tremor. An 18-year-old right-handed man developed a disabling and medically refractory action tremor in the right upper extremity 9 months after sustaining diffuse axonal injury in a motor vehicle collision.
Atsushi, Umemura +4 more
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