Coherent cortical and muscle discharge in cortical myoclonus

Coherent cortical and muscle discharge in cortical myoclonus.

There is increasing evidence in man that the cortical drive to motor neurons is rhythmic. This oscillatory drive may be exaggerated in patients with cortical myoclonus. Spectral analysis of surface bipolar EEG and EMG activity was performed in eight such patients. Only three cases had evidence of giant cortical evoked potentials or a cortical correlate on back-averaging at the time of study. In...

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[Pathophysiology of cortical myoclonus].

Myoclonus is one of the common movement disorders in clinical practice, and its differential diagnosis is important. Usually, myoclonus can be classified into cortical, subcortical, brain stem, spinal and peripheral, based on its pathogenesis. Especially, cortical myoclonus is closely associated with epilepsy (myoclonic epilepsy) and has been studied extensively so far. Here, we will review the...

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Cortical and Non-Cortical Myoclonus of Creutzfeldt-Jakob Disease

B, vasculitis, and syphilis was excluded by the results of biochemical screening tests. EEGs showed PSDs with the largest amplitude over the central parietal area of the right hemisphere (i.e. C4 and P4; fig. 1 a). Magnetic resonance imaging study showed restricted diffusion over the right frontal, parietal, and occipital lobes in diffusionweighted imaging (DWI) ( fig. 1 b). 99m TcTRODAT-1 reve...

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Cortical and Non-Cortical Myoclonus of Creutzfeldt-Jakob Disease

B, vasculitis, and syphilis was excluded by the results of biochemical screening tests. EEGs showed PSDs with the largest amplitude over the central parietal area of the right hemisphere (i.e. C4 and P4; fig. 1 a). Magnetic resonance imaging study showed restricted diffusion over the right frontal, parietal, and occipital lobes in diffusionweighted imaging (DWI) ( fig. 1 b). 99m TcTRODAT-1 reve...

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Cortical and non-cortical myoclonus of Creutzfeldt-Jakob disease.

B, vasculitis, and syphilis was excluded by the results of biochemical screening tests. EEGs showed PSDs with the largest amplitude over the central parietal area of the right hemisphere (i.e. C4 and P4; fig. 1 a). Magnetic resonance imaging study showed restricted diffusion over the right frontal, parietal, and occipital lobes in diffusionweighted imaging (DWI) ( fig. 1 b). 99m TcTRODAT-1 reve...

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Coherent cortical and muscle discharge in cortical myoclonus

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