Hypsarhythmia

Japanese: hypsarrhythmia
Hypsarhythmia

...Mental retardation is present and intractable. Electroencephalograms between attacks show hypsarrhythmia (a severe rhythm disorder in which spikes and high-amplitude slow waves appear randomly in various places), but during attacks, the rhythm is often interrupted and desynchronized. (4) Lennox syndrome The adult form is rare, and onset occurs between the ages of 2 and 8. ...

*Some of the terminology explanations that mention "hypsarrhythmia" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…精神遅滞があり,難治性である。発作間欠期の脳波にはヒプスアリスミアhypsarrhythmia(棘波や高振幅徐波があちこちに無秩序に出現する高度の律動異常)がみられるが,発作時には逆に中断され,脱同期化することが多い。(4)レノックス症候群 成人型はまれで,2~8歳で発病する。…

※「hypsarrhythmia」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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