Familial progressive myoclonic epilepsy - kazokusei shinkosei myoclonic epilepsy

...The atonic seizures show generalized polyspike slow-wave junctions with large frequency fluctuations. (5) Umberlicht-Lundborg syndrome It is also called familial progressive myoclonic epilepsy, but its true form is a progressive brain disease such as a genetic brain disease in which Lafora bodies are found, a lipid metabolism disorder in the brain such as amaurosis idiopathica, or a nonspecific brain degenerative disease, and is a syndrome that should not be considered epilepsy.
[Partial epilepsy]
This refers to epilepsy in which the initial symptoms of the seizure and the electroencephalogram (EEG) findings indicate focal brain damage (in this case, the focal brain damage is the source of abnormal excitement that causes the seizure, and such a focal brain damage site is called the focus of epilepsy).

*Some of the terminology explanations that refer to "familial progressive myoclonic epilepsy" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…脱力発作には周波数変動の大きい汎性多棘徐波結合がみられる。(5)ウンベルリヒト=ルントボルク症候群　家族性進行性ミオクローヌス癲癇ともいわれるが，本態はラフォラ小体が証明される脳遺伝性疾患，黒内障白痴のような脳の脂質代謝障害，非特異的脳変性疾患など脳の進行性疾患であり，癲癇の概念からはずすべき症候群である。
［部分癲癇］
　発作の初発症状と脳波所見が局在性脳障害を現す癲癇をいう(この場合，局在性脳障害が異常な興奮の源となって発作を生じるので，このような限局性の脳障害部位を癲癇の焦点focusという)。…

※「家族性進行性ミオクローヌス癲癇」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