Death feigning reflex

Japanese: 擬死反射 - ぎしはんしゃ
Death feigning reflex

…Many scholars believe that these reactions are due to an escape instinct to escape from danger, but in some cases, the voluntary muscles relax, the limbs cannot move forward, the heart is about to stop, and the body becomes paralyzed, creating the worst possible state for escape. This is explained as an attempt to escape by pretending to be dead, and is called the death feigning reflex. Actual escape is sometimes called active fear, and reactions due to the death feigning reflex are sometimes called passive escape. …

*Some of the terminology that refers to the "death feigning reflex" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これらの反応は危険から逃げるための逃避本能によるものとする学者は多いが,場合によっては随意筋が弛緩して,手足が前に進まず,心臓が止まりそうになり,身体が麻痺して,逃走にはもっとも都合の悪い状態になることもある。これは死んだまねをして逃げるためと説明されており,擬死反射とよばれている。実際に逃走する場合を能動的恐怖,擬死反射による反応を受動的逃避とよぶこともある。…

※「擬死反射」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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