Absence

Japanese: 欠神 - けっしん(英語表記)absence
Absence
This is a typical type of epileptic seizure, also known as pure petit mal or absence. Consciousness is suddenly lost without convulsions and then suddenly restored. In mild seizures, consciousness may be relatively well-maintained. It lasts from a few to 20 seconds, and occurs several to a dozen times a day. It is common in girls between the ages of 9 and 15, and is easily triggered by hyperventilation. During a seizure, the eyes are open, but unlike incomplete grand mal seizures, the eyes do not roll upwards, i.e., the eyes do not whiten, and the patient stares straight ahead and remains fixed.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
代表的な癲癇(てんかん)発作の一型で,純粋小発作,アブサンスともいわれる。痙攣(けいれん)を伴わず意識が突然消失し,突然回復する。軽い発作では意識が比較的保たれることもある。持続は数秒から20秒くらいで,1日に数回から十数回起きる。9歳から15歳ころまでの少女に多く,過呼吸で誘発されやすい。発作時には開眼しているが,大発作の不全型と異なって眼球上転つまり白目になることがなく,前方を凝視し,目が据わっていることが特徴的である。

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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