Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology
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The aim of the present study was to assess whether peripheral mechanisms, mediated through axonal dysfunction, may contribute to development of the split-hand in amyotrophic lateral sclerosis (ALS). ⋯ Axonal dysfunction may appear as a downstream process that develops secondary to the intrinsic pathophysiological origins of ALS.
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Occipital electroencephalogram (EEG) activity is known to be different from the frontal EEG during wakefulness and anesthesia. However, less is known about occipital non-linear dynamics analyzed by EEG-bicoherence, which can reflect the oscillatory features that are dependent on thalamocortical modulation. ⋯ Nonlinear regulation of the occipital EEG is different from the frontal EEG during every stage of anesthesia.
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The few published ultrasound (US) studies on chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) report diffusely increased cross-sectional area (CSA) of nerves. The data are, however, heterogeneous and correlations with clinical history or disease severity are lacking. ⋯ These results offer the possibility of exploring the use of US to assess CIDP disease activity and treatment.