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Epileptic Disorders

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Tonic status and electrodecremental paroxysms in an adult without epilepsy Volume 13, numéro 1, Mars 2011



Figure 1 Stimulus-induced diffuse voltage attenuation (SIDVA). The background prior to the voltage attenuation episodes resembled either sleep with delta and superimposed faster alpha/beta activity or diffuse theta/delta activity suggesting diffuse encephalopathy. These are representative frames showing electrographic attenuation in all derivations induced by (A) sternal rub, (B) pinching the arm and calling the patient's name, (C) the examiner holding the patient's eyes open, or (D) lightly touching the patient's forearm. In all cases, the beginning of the electrodecrement corresponded to the stimulus.