…Individual damage to this system is unlikely, but if higher structures between the cerebrum and diencephalon are damaged, the excitation of this system, which is inhibited by these areas, increases, and various forms of muscle tone abnormalities are observed. If the damage is above the red nucleus, the patient assumes a decortication posture with the hands flexed and the feet extended, whereas if the damage is in the upper brainstem below the red nucleus, the patient assumes a decerebrate posture. *Some of the terminology that refers to "decerebrate posture" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この系のみの単独の損傷は生じにくいが,大脳~間脳間の高位の構造が損傷されると,これらの部分から抑制されているこの系統の興奮が高まり,種々の形の筋緊張異常を呈するようになる。損傷が赤核より上方の場合は,手を屈曲させ足を伸ばす除皮質姿勢decortication postureを,また損傷が赤核より下方の上部脳幹にある場合は除脳姿勢decerebrate postureをとる。 ※「decerebrate posture」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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