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a–f. The polygraphic recordings of accelerometric analysis of the S2 patient with posture (a), with a 500 g weight, arrow shows myoclonus (b), and a 1000 g weight (c) showing increase of tremulous movements with intervening brief myoclonic jerks. (d) EEG showing fast generalized spike and waves. (e) Giant SEP- absence of C reflex. (f) Example of a typical control patient with essential tremor by accelerometric analysis
